summaryrefslogtreecommitdiff
path: root/fs/udf
diff options
context:
space:
mode:
Diffstat (limited to 'fs/udf')
-rw-r--r--fs/udf/balloc.c553
-rw-r--r--fs/udf/crc.c19
-rw-r--r--fs/udf/dir.c108
-rw-r--r--fs/udf/directory.c173
-rw-r--r--fs/udf/ecma_167.h191
-rw-r--r--fs/udf/file.c104
-rw-r--r--fs/udf/fsync.c6
-rw-r--r--fs/udf/ialloc.c42
-rw-r--r--fs/udf/inode.c1245
-rw-r--r--fs/udf/lowlevel.c21
-rw-r--r--fs/udf/misc.c113
-rw-r--r--fs/udf/namei.c564
-rw-r--r--fs/udf/osta_udf.h75
-rw-r--r--fs/udf/partition.c119
-rw-r--r--fs/udf/super.c1282
-rw-r--r--fs/udf/symlink.c54
-rw-r--r--fs/udf/truncate.c166
-rw-r--r--fs/udf/udf_sb.h22
-rw-r--r--fs/udf/udfdecl.h102
-rw-r--r--fs/udf/udfend.h18
-rw-r--r--fs/udf/udftime.c87
-rw-r--r--fs/udf/unicode.c258
22 files changed, 2369 insertions, 2953 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 4cec91015681..87e87dcd3f9c 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -41,18 +41,17 @@
#define uint(x) xuint(x)
#define xuint(x) __le ## x
-static inline int find_next_one_bit (void * addr, int size, int offset)
+static inline int find_next_one_bit(void *addr, int size, int offset)
{
- uintBPL_t * p = ((uintBPL_t *) addr) + (offset / BITS_PER_LONG);
- int result = offset & ~(BITS_PER_LONG-1);
+ uintBPL_t *p = ((uintBPL_t *) addr) + (offset / BITS_PER_LONG);
+ int result = offset & ~(BITS_PER_LONG - 1);
unsigned long tmp;
if (offset >= size)
return size;
size -= result;
- offset &= (BITS_PER_LONG-1);
- if (offset)
- {
+ offset &= (BITS_PER_LONG - 1);
+ if (offset) {
tmp = leBPL_to_cpup(p++);
tmp &= ~0UL << offset;
if (size < BITS_PER_LONG)
@@ -62,8 +61,7 @@ static inline int find_next_one_bit (void * addr, int size, int offset)
size -= BITS_PER_LONG;
result += BITS_PER_LONG;
}
- while (size & ~(BITS_PER_LONG-1))
- {
+ while (size & ~(BITS_PER_LONG - 1)) {
if ((tmp = leBPL_to_cpup(p++)))
goto found_middle;
result += BITS_PER_LONG;
@@ -73,7 +71,7 @@ static inline int find_next_one_bit (void * addr, int size, int offset)
return result;
tmp = leBPL_to_cpup(p);
found_first:
- tmp &= ~0UL >> (BITS_PER_LONG-size);
+ tmp &= ~0UL >> (BITS_PER_LONG - size);
found_middle:
return result + ffz(~tmp);
}
@@ -81,8 +79,9 @@ found_middle:
#define find_first_one_bit(addr, size)\
find_next_one_bit((addr), (size), 0)
-static int read_block_bitmap(struct super_block * sb,
- struct udf_bitmap *bitmap, unsigned int block, unsigned long bitmap_nr)
+static int read_block_bitmap(struct super_block *sb,
+ struct udf_bitmap *bitmap, unsigned int block,
+ unsigned long bitmap_nr)
{
struct buffer_head *bh = NULL;
int retval = 0;
@@ -92,38 +91,39 @@ static int read_block_bitmap(struct super_block * sb,
loc.partitionReferenceNum = UDF_SB_PARTITION(sb);
bh = udf_tread(sb, udf_get_lb_pblock(sb, loc, block));
- if (!bh)
- {
+ if (!bh) {
retval = -EIO;
}
bitmap->s_block_bitmap[bitmap_nr] = bh;
return retval;
}
-static int __load_block_bitmap(struct super_block * sb,
- struct udf_bitmap *bitmap, unsigned int block_group)
+static int __load_block_bitmap(struct super_block *sb,
+ struct udf_bitmap *bitmap,
+ unsigned int block_group)
{
int retval = 0;
int nr_groups = bitmap->s_nr_groups;
- if (block_group >= nr_groups)
- {
- udf_debug("block_group (%d) > nr_groups (%d)\n", block_group, nr_groups);
+ if (block_group >= nr_groups) {
+ udf_debug("block_group (%d) > nr_groups (%d)\n", block_group,
+ nr_groups);
}
- if (bitmap->s_block_bitmap[block_group])
+ if (bitmap->s_block_bitmap[block_group]) {
return block_group;
- else
- {
- retval = read_block_bitmap(sb, bitmap, block_group, block_group);
+ } else {
+ retval = read_block_bitmap(sb, bitmap, block_group,
+ block_group);
if (retval < 0)
return retval;
return block_group;
}
}
-static inline int load_block_bitmap(struct super_block * sb,
- struct udf_bitmap *bitmap, unsigned int block_group)
+static inline int load_block_bitmap(struct super_block *sb,
+ struct udf_bitmap *bitmap,
+ unsigned int block_group)
{
int slot;
@@ -138,13 +138,14 @@ static inline int load_block_bitmap(struct super_block * sb,
return slot;
}
-static void udf_bitmap_free_blocks(struct super_block * sb,
- struct inode * inode,
- struct udf_bitmap *bitmap,
- kernel_lb_addr bloc, uint32_t offset, uint32_t count)
+static void udf_bitmap_free_blocks(struct super_block *sb,
+ struct inode *inode,
+ struct udf_bitmap *bitmap,
+ kernel_lb_addr bloc, uint32_t offset,
+ uint32_t count)
{
struct udf_sb_info *sbi = UDF_SB(sb);
- struct buffer_head * bh = NULL;
+ struct buffer_head *bh = NULL;
unsigned long block;
unsigned long block_group;
unsigned long bit;
@@ -154,11 +155,10 @@ static void udf_bitmap_free_blocks(struct super_block * sb,
mutex_lock(&sbi->s_alloc_mutex);
if (bloc.logicalBlockNum < 0 ||
- (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum))
- {
+ (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) {
udf_debug("%d < %d || %d + %d > %d\n",
- bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
- UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
+ bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
+ UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
goto error_return;
}
@@ -172,8 +172,7 @@ do_more:
/*
* Check to see if we are freeing blocks across a group boundary.
*/
- if (bit + count > (sb->s_blocksize << 3))
- {
+ if (bit + count > (sb->s_blocksize << 3)) {
overflow = bit + count - (sb->s_blocksize << 3);
count -= overflow;
}
@@ -182,27 +181,21 @@ do_more:
goto error_return;
bh = bitmap->s_block_bitmap[bitmap_nr];
- for (i=0; i < count; i++)
- {
- if (udf_set_bit(bit + i, bh->b_data))
- {
+ for (i = 0; i < count; i++) {
+ if (udf_set_bit(bit + i, bh->b_data)) {
udf_debug("bit %ld already set\n", bit + i);
udf_debug("byte=%2x\n", ((char *)bh->b_data)[(bit + i) >> 3]);
- }
- else
- {
+ } else {
if (inode)
DQUOT_FREE_BLOCK(inode, 1);
- if (UDF_SB_LVIDBH(sb))
- {
+ if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] =
- cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)])+1);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + 1);
}
}
}
mark_buffer_dirty(bh);
- if (overflow)
- {
+ if (overflow) {
block += count;
count = overflow;
goto do_more;
@@ -215,10 +208,11 @@ error_return:
return;
}
-static int udf_bitmap_prealloc_blocks(struct super_block * sb,
- struct inode * inode,
- struct udf_bitmap *bitmap, uint16_t partition, uint32_t first_block,
- uint32_t block_count)
+static int udf_bitmap_prealloc_blocks(struct super_block *sb,
+ struct inode *inode,
+ struct udf_bitmap *bitmap,
+ uint16_t partition, uint32_t first_block,
+ uint32_t block_count)
{
struct udf_sb_info *sbi = UDF_SB(sb);
int alloc_count = 0;
@@ -235,7 +229,8 @@ static int udf_bitmap_prealloc_blocks(struct super_block * sb,
repeat:
nr_groups = (UDF_SB_PARTLEN(sb, partition) +
- (sizeof(struct spaceBitmapDesc) << 3) + (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8);
+ (sizeof(struct spaceBitmapDesc) << 3) +
+ (sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8);
block = first_block + (sizeof(struct spaceBitmapDesc) << 3);
block_group = block >> (sb->s_blocksize_bits + 3);
group_start = block_group ? 0 : sizeof(struct spaceBitmapDesc);
@@ -247,31 +242,28 @@ repeat:
bit = block % (sb->s_blocksize << 3);
- while (bit < (sb->s_blocksize << 3) && block_count > 0)
- {
- if (!udf_test_bit(bit, bh->b_data))
+ while (bit < (sb->s_blocksize << 3) && block_count > 0) {
+ if (!udf_test_bit(bit, bh->b_data)) {
goto out;
- else if (DQUOT_PREALLOC_BLOCK(inode, 1))
+ } else if (DQUOT_PREALLOC_BLOCK(inode, 1)) {
goto out;
- else if (!udf_clear_bit(bit, bh->b_data))
- {
+ } else if (!udf_clear_bit(bit, bh->b_data)) {
udf_debug("bit already cleared for block %d\n", bit);
DQUOT_FREE_BLOCK(inode, 1);
goto out;
}
- block_count --;
- alloc_count ++;
- bit ++;
- block ++;
+ block_count--;
+ alloc_count++;
+ bit++;
+ block++;
}
mark_buffer_dirty(bh);
if (block_count > 0)
goto repeat;
out:
- if (UDF_SB_LVIDBH(sb))
- {
+ if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[partition] =
- cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition])-alloc_count);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
sb->s_dirt = 1;
@@ -279,12 +271,13 @@ out:
return alloc_count;
}
-static int udf_bitmap_new_block(struct super_block * sb,
- struct inode * inode,
- struct udf_bitmap *bitmap, uint16_t partition, uint32_t goal, int *err)
+static int udf_bitmap_new_block(struct super_block *sb,
+ struct inode *inode,
+ struct udf_bitmap *bitmap, uint16_t partition,
+ uint32_t goal, int *err)
{
struct udf_sb_info *sbi = UDF_SB(sb);
- int newbit, bit=0, block, block_group, group_start;
+ int newbit, bit = 0, block, block_group, group_start;
int end_goal, nr_groups, bitmap_nr, i;
struct buffer_head *bh = NULL;
char *ptr;
@@ -306,38 +299,35 @@ repeat:
if (bitmap_nr < 0)
goto error_return;
bh = bitmap->s_block_bitmap[bitmap_nr];
- ptr = memscan((char *)bh->b_data + group_start, 0xFF, sb->s_blocksize - group_start);
+ ptr = memscan((char *)bh->b_data + group_start, 0xFF,
+ sb->s_blocksize - group_start);
- if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize)
- {
+ if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) {
bit = block % (sb->s_blocksize << 3);
-
if (udf_test_bit(bit, bh->b_data))
- {
goto got_block;
- }
+
end_goal = (bit + 63) & ~63;
bit = udf_find_next_one_bit(bh->b_data, end_goal, bit);
if (bit < end_goal)
goto got_block;
+
ptr = memscan((char *)bh->b_data + (bit >> 3), 0xFF, sb->s_blocksize - ((bit + 7) >> 3));
newbit = (ptr - ((char *)bh->b_data)) << 3;
- if (newbit < sb->s_blocksize << 3)
- {
+ if (newbit < sb->s_blocksize << 3) {
bit = newbit;
goto search_back;
}
+
newbit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, bit);
- if (newbit < sb->s_blocksize << 3)
- {
+ if (newbit < sb->s_blocksize << 3) {
bit = newbit;
goto got_block;
}
}
- for (i=0; i<(nr_groups*2); i++)
- {
- block_group ++;
+ for (i = 0; i < (nr_groups * 2); i++) {
+ block_group++;
if (block_group >= nr_groups)
block_group = 0;
group_start = block_group ? 0 : sizeof(struct spaceBitmapDesc);
@@ -346,24 +336,22 @@ repeat:
if (bitmap_nr < 0)
goto error_return;
bh = bitmap->s_block_bitmap[bitmap_nr];
- if (i < nr_groups)
- {
- ptr = memscan((char *)bh->b_data + group_start, 0xFF, sb->s_blocksize - group_start);
- if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize)
- {
+ if (i < nr_groups) {
+ ptr = memscan((char *)bh->b_data + group_start, 0xFF,
+ sb->s_blocksize - group_start);
+ if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) {
bit = (ptr - ((char *)bh->b_data)) << 3;
break;
}
- }
- else
- {
- bit = udf_find_next_one_bit((char *)bh->b_data, sb->s_blocksize << 3, group_start << 3);
+ } else {
+ bit = udf_find_next_one_bit((char *)bh->b_data,
+ sb->s_blocksize << 3,
+ group_start << 3);
if (bit < sb->s_blocksize << 3)
break;
}
}
- if (i >= (nr_groups*2))
- {
+ if (i >= (nr_groups * 2)) {
mutex_unlock(&sbi->s_alloc_mutex);
return newblock;
}
@@ -371,22 +359,21 @@ repeat:
goto search_back;
else
bit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, group_start << 3);
- if (bit >= sb->s_blocksize << 3)
- {
+ if (bit >= sb->s_blocksize << 3) {
mutex_unlock(&sbi->s_alloc_mutex);
return 0;
}
search_back:
- for (i=0; i<7 && bit > (group_start << 3) && udf_test_bit(bit - 1, bh->b_data); i++, bit--);
+ for (i = 0; i < 7 && bit > (group_start << 3) && udf_test_bit(bit - 1, bh->b_data); i++, bit--)
+ ; /* empty loop */
got_block:
/*
* Check quota for allocation of this block.
*/
- if (inode && DQUOT_ALLOC_BLOCK(inode, 1))
- {
+ if (inode && DQUOT_ALLOC_BLOCK(inode, 1)) {
mutex_unlock(&sbi->s_alloc_mutex);
*err = -EDQUOT;
return 0;
@@ -395,18 +382,16 @@ got_block:
newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) -
(sizeof(struct spaceBitmapDesc) << 3);
- if (!udf_clear_bit(bit, bh->b_data))
- {
+ if (!udf_clear_bit(bit, bh->b_data)) {
udf_debug("bit already cleared for block %d\n", bit);
goto repeat;
}
mark_buffer_dirty(bh);
- if (UDF_SB_LVIDBH(sb))
- {
+ if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[partition] =
- cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition])-1);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
sb->s_dirt = 1;
@@ -420,10 +405,11 @@ error_return:
return 0;
}
-static void udf_table_free_blocks(struct super_block * sb,
- struct inode * inode,
- struct inode * table,
- kernel_lb_addr bloc, uint32_t offset, uint32_t count)
+static void udf_table_free_blocks(struct super_block *sb,
+ struct inode *inode,
+ struct inode *table,
+ kernel_lb_addr bloc, uint32_t offset,
+ uint32_t count)
{
struct udf_sb_info *sbi = UDF_SB(sb);
uint32_t start, end;
@@ -435,11 +421,10 @@ static void udf_table_free_blocks(struct super_block * sb,
mutex_lock(&sbi->s_alloc_mutex);
if (bloc.logicalBlockNum < 0 ||
- (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum))
- {
+ (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) {
udf_debug("%d < %d || %d + %d > %d\n",
- bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
- UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
+ bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
+ UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
goto error_return;
}
@@ -447,10 +432,9 @@ static void udf_table_free_blocks(struct super_block * sb,
but.. oh well */
if (inode)
DQUOT_FREE_BLOCK(inode, count);
- if (UDF_SB_LVIDBH(sb))
- {
+ if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] =
- cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)])+count);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + count);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
@@ -462,74 +446,59 @@ static void udf_table_free_blocks(struct super_block * sb,
epos.block = oepos.block = UDF_I_LOCATION(table);
epos.bh = oepos.bh = NULL;
- while (count && (etype =
- udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1)
- {
- if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) ==
- start))
- {
- if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits))
- {
+ while (count &&
+ (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
+ if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) {
+ if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) {
count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
start += ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
elen = (etype << 30) | (0x40000000 - sb->s_blocksize);
- }
- else
- {
- elen = (etype << 30) |
- (elen + (count << sb->s_blocksize_bits));
+ } else {
+ elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits));
start += count;
count = 0;
}
udf_write_aext(table, &oepos, eloc, elen, 1);
- }
- else if (eloc.logicalBlockNum == (end + 1))
- {
- if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits))
- {
+ } else if (eloc.logicalBlockNum == (end + 1)) {
+ if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) {
count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
end -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
- eloc.logicalBlockNum -=
- ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
+ eloc.logicalBlockNum -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits);
elen = (etype << 30) | (0x40000000 - sb->s_blocksize);
- }
- else
- {
+ } else {
eloc.logicalBlockNum = start;
- elen = (etype << 30) |
- (elen + (count << sb->s_blocksize_bits));
+ elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits));
end -= count;
count = 0;
}
udf_write_aext(table, &oepos, eloc, elen, 1);
}
- if (epos.bh != oepos.bh)
- {
+ if (epos.bh != oepos.bh) {
i = -1;
oepos.block = epos.block;
brelse(oepos.bh);
get_bh(epos.bh);
oepos.bh = epos.bh;
oepos.offset = 0;
- }
- else
+ } else {
oepos.offset = epos.offset;
+ }
}
- if (count)
- {
- /* NOTE: we CANNOT use udf_add_aext here, as it can try to allocate
- a new block, and since we hold the super block lock already
- very bad things would happen :)
-
- We copy the behavior of udf_add_aext, but instead of
- trying to allocate a new block close to the existing one,
- we just steal a block from the extent we are trying to add.
-
- It would be nice if the blocks were close together, but it
- isn't required.
- */
+ if (count) {
+ /*
+ * NOTE: we CANNOT use udf_add_aext here, as it can try to allocate
+ * a new block, and since we hold the super block lock already
+ * very bad things would happen :)
+ *
+ * We copy the behavior of udf_add_aext, but instead of
+ * trying to allocate a new block close to the existing one,
+ * we just steal a block from the extent we are trying to add.
+ *
+ * It would be nice if the blocks were close together, but it
+ * isn't required.
+ */
int adsize;
short_ad *sad = NULL;
@@ -540,115 +509,94 @@ static void udf_table_free_blocks(struct super_block * sb,
elen = EXT_RECORDED_ALLOCATED |
(count << sb->s_blocksize_bits);
- if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT)
+ if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) {
adsize = sizeof(short_ad);
- else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG)
+ } else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG) {
adsize = sizeof(long_ad);
- else
- {
+ } else {
brelse(oepos.bh);
brelse(epos.bh);
goto error_return;
}
- if (epos.offset + (2 * adsize) > sb->s_blocksize)
- {
+ if (epos.offset + (2 * adsize) > sb->s_blocksize) {
char *sptr, *dptr;
int loffset;
-
+
brelse(oepos.bh);
oepos = epos;
/* Steal a block from the extent being free'd */
epos.block.logicalBlockNum = eloc.logicalBlockNum;
- eloc.logicalBlockNum ++;
+ eloc.logicalBlockNum++;
elen -= sb->s_blocksize;
- if (!(epos.bh = udf_tread(sb,
- udf_get_lb_pblock(sb, epos.block, 0))))
- {
+ if (!(epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, epos.block, 0)))) {
brelse(oepos.bh);
goto error_return;
}
aed = (struct allocExtDesc *)(epos.bh->b_data);
aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum);
- if (epos.offset + adsize > sb->s_blocksize)
- {
+ if (epos.offset + adsize > sb->s_blocksize) {
loffset = epos.offset;
aed->lengthAllocDescs = cpu_to_le32(adsize);
- sptr = UDF_I_DATA(inode) + epos.offset -
- udf_file_entry_alloc_offset(inode) +
- UDF_I_LENEATTR(inode) - adsize;
+ sptr = UDF_I_DATA(table) + epos.offset - adsize;
dptr = epos.bh->b_data + sizeof(struct allocExtDesc);
memcpy(dptr, sptr, adsize);
epos.offset = sizeof(struct allocExtDesc) + adsize;
- }
- else
- {
+ } else {
loffset = epos.offset + adsize;
aed->lengthAllocDescs = cpu_to_le32(0);
- sptr = oepos.bh->b_data + epos.offset;
- epos.offset = sizeof(struct allocExtDesc);
-
- if (oepos.bh)
- {
+ if (oepos.bh) {
+ sptr = oepos.bh->b_data + epos.offset;
aed = (struct allocExtDesc *)oepos.bh->b_data;
aed->lengthAllocDescs =
cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
- }
- else
- {
+ } else {
+ sptr = UDF_I_DATA(table) + epos.offset;
UDF_I_LENALLOC(table) += adsize;
mark_inode_dirty(table);
}
+ epos.offset = sizeof(struct allocExtDesc);
}
if (UDF_SB_UDFREV(sb) >= 0x0200)
udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1,
- epos.block.logicalBlockNum, sizeof(tag));
+ epos.block.logicalBlockNum, sizeof(tag));
else
udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1,
- epos.block.logicalBlockNum, sizeof(tag));
- switch (UDF_I_ALLOCTYPE(table))
- {
+ epos.block.logicalBlockNum, sizeof(tag));
+
+ switch (UDF_I_ALLOCTYPE(table)) {
case ICBTAG_FLAG_AD_SHORT:
- {
sad = (short_ad *)sptr;
sad->extLength = cpu_to_le32(
EXT_NEXT_EXTENT_ALLOCDECS |
sb->s_blocksize);
sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum);
break;
- }
case ICBTAG_FLAG_AD_LONG:
- {
lad = (long_ad *)sptr;
lad->extLength = cpu_to_le32(
EXT_NEXT_EXTENT_ALLOCDECS |
sb->s_blocksize);
lad->extLocation = cpu_to_lelb(epos.block);
break;
- }
}
- if (oepos.bh)
- {
+ if (oepos.bh) {
udf_update_tag(oepos.bh->b_data, loffset);
mark_buffer_dirty(oepos.bh);
- }
- else
+ } else {
mark_inode_dirty(table);
+ }
}
- if (elen) /* It's possible that stealing the block emptied the extent */
- {
+ if (elen) { /* It's possible that stealing the block emptied the extent */
udf_write_aext(table, &epos, eloc, elen, 1);
- if (!epos.bh)
- {
+ if (!epos.bh) {
UDF_I_LENALLOC(table) += adsize;
mark_inode_dirty(table);
- }
- else
- {
+ } else {
aed = (struct allocExtDesc *)epos.bh->b_data;
aed->lengthAllocDescs =
cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
@@ -667,10 +615,10 @@ error_return:
return;
}
-static int udf_table_prealloc_blocks(struct super_block * sb,
- struct inode * inode,
- struct inode *table, uint16_t partition, uint32_t first_block,
- uint32_t block_count)
+static int udf_table_prealloc_blocks(struct super_block *sb,
+ struct inode *inode,
+ struct inode *table, uint16_t partition,
+ uint32_t first_block, uint32_t block_count)
{
struct udf_sb_info *sbi = UDF_SB(sb);
int alloc_count = 0;
@@ -695,40 +643,36 @@ static int udf_table_prealloc_blocks(struct super_block * sb,
epos.bh = NULL;
eloc.logicalBlockNum = 0xFFFFFFFF;
- while (first_block != eloc.logicalBlockNum && (etype =
- udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1)
- {
+ while (first_block != eloc.logicalBlockNum &&
+ (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
udf_debug("eloc=%d, elen=%d, first_block=%d\n",
- eloc.logicalBlockNum, elen, first_block);
+ eloc.logicalBlockNum, elen, first_block);
; /* empty loop body */
}
- if (first_block == eloc.logicalBlockNum)
- {
+ if (first_block == eloc.logicalBlockNum) {
epos.offset -= adsize;
alloc_count = (elen >> sb->s_blocksize_bits);
- if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count))
+ if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) {
alloc_count = 0;
- else if (alloc_count > block_count)
- {
+ } else if (alloc_count > block_count) {
alloc_count = block_count;
eloc.logicalBlockNum += alloc_count;
elen -= (alloc_count << sb->s_blocksize_bits);
udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1);
- }
- else
+ } else {
udf_delete_aext(table, epos, eloc, (etype << 30) | elen);
- }
- else
+ }
+ } else {
alloc_count = 0;
+ }
brelse(epos.bh);
- if (alloc_count && UDF_SB_LVIDBH(sb))
- {
+ if (alloc_count && UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[partition] =
- cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition])-alloc_count);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
sb->s_dirt = 1;
}
@@ -736,9 +680,10 @@ static int udf_table_prealloc_blocks(struct super_block * sb,
return alloc_count;
}
-static int udf_table_new_block(struct super_block * sb,
- struct inode * inode,
- struct inode *table, uint16_t partition, uint32_t goal, int *err)
+static int udf_table_new_block(struct super_block *sb,
+ struct inode *inode,
+ struct inode *table, uint16_t partition,
+ uint32_t goal, int *err)
{
struct udf_sb_info *sbi = UDF_SB(sb);
uint32_t spread = 0xFFFFFFFF, nspread = 0xFFFFFFFF;
@@ -765,30 +710,26 @@ static int udf_table_new_block(struct super_block * sb,
we stop. Otherwise we keep going till we run out of extents.
We store the buffer_head, bloc, and extoffset of the current closest
match and use that when we are done.
- */
+ */
epos.offset = sizeof(struct unallocSpaceEntry);
epos.block = UDF_I_LOCATION(table);
epos.bh = goal_epos.bh = NULL;
- while (spread && (etype =
- udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1)
- {
- if (goal >= eloc.logicalBlockNum)
- {
+ while (spread &&
+ (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
+ if (goal >= eloc.logicalBlockNum) {
if (goal < eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits))
nspread = 0;
else
nspread = goal - eloc.logicalBlockNum -
(elen >> sb->s_blocksize_bits);
- }
- else
+ } else {
nspread = eloc.logicalBlockNum - goal;
+ }
- if (nspread < spread)
- {
+ if (nspread < spread) {
spread = nspread;
- if (goal_epos.bh != epos.bh)
- {
+ if (goal_epos.bh != epos.bh) {
brelse(goal_epos.bh);
goal_epos.bh = epos.bh;
get_bh(goal_epos.bh);
@@ -802,8 +743,7 @@ static int udf_table_new_block(struct super_block * sb,
brelse(epos.bh);
- if (spread == 0xFFFFFFFF)
- {
+ if (spread == 0xFFFFFFFF) {
brelse(goal_epos.bh);
mutex_unlock(&sbi->s_alloc_mutex);
return 0;
@@ -815,11 +755,10 @@ static int udf_table_new_block(struct super_block * sb,
/* This works, but very poorly.... */
newblock = goal_eloc.logicalBlockNum;
- goal_eloc.logicalBlockNum ++;
+ goal_eloc.logicalBlockNum++;
goal_elen -= sb->s_blocksize;
- if (inode && DQUOT_ALLOC_BLOCK(inode, 1))
- {
+ if (inode && DQUOT_ALLOC_BLOCK(inode, 1)) {
brelse(goal_epos.bh);
mutex_unlock(&sbi->s_alloc_mutex);
*err = -EDQUOT;
@@ -832,10 +771,9 @@ static int udf_table_new_block(struct super_block * sb,
udf_delete_aext(table, goal_epos, goal_eloc, goal_elen);
brelse(goal_epos.bh);
- if (UDF_SB_LVIDBH(sb))
- {
+ if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[partition] =
- cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition])-1);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
@@ -845,105 +783,84 @@ static int udf_table_new_block(struct super_block * sb,
return newblock;
}
-inline void udf_free_blocks(struct super_block * sb,
- struct inode * inode,
- kernel_lb_addr bloc, uint32_t offset, uint32_t count)
+inline void udf_free_blocks(struct super_block *sb,
+ struct inode *inode,
+ kernel_lb_addr bloc, uint32_t offset,
+ uint32_t count)
{
uint16_t partition = bloc.partitionReferenceNum;
- if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP)
- {
+ if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
return udf_bitmap_free_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
- bloc, offset, count);
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE)
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+ bloc, offset, count);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
return udf_table_free_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
- bloc, offset, count);
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP)
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+ bloc, offset, count);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
return udf_bitmap_free_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
- bloc, offset, count);
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE)
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+ bloc, offset, count);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
return udf_table_free_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
- bloc, offset, count);
- }
- else
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+ bloc, offset, count);
+ } else {
return;
+ }
}
-inline int udf_prealloc_blocks(struct super_block * sb,
- struct inode * inode,
- uint16_t partition, uint32_t first_block, uint32_t block_count)
+inline int udf_prealloc_blocks(struct super_block *sb,
+ struct inode *inode,
+ uint16_t partition, uint32_t first_block,
+ uint32_t block_count)
{
- if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP)
- {
+ if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
return udf_bitmap_prealloc_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
- partition, first_block, block_count);
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE)
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+ partition, first_block, block_count);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
return udf_table_prealloc_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
- partition, first_block, block_count);
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP)
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+ partition, first_block, block_count);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
return udf_bitmap_prealloc_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
- partition, first_block, block_count);
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE)
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+ partition, first_block, block_count);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
return udf_table_prealloc_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
- partition, first_block, block_count);
- }
- else
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+ partition, first_block, block_count);
+ } else {
return 0;
+ }
}
-inline int udf_new_block(struct super_block * sb,
- struct inode * inode,
- uint16_t partition, uint32_t goal, int *err)
+inline int udf_new_block(struct super_block *sb,
+ struct inode *inode,
+ uint16_t partition, uint32_t goal, int *err)
{
int ret;
- if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP)
- {
+ if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
ret = udf_bitmap_new_block(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
- partition, goal, err);
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+ partition, goal, err);
return ret;
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE)
- {
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
return udf_table_new_block(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
- partition, goal, err);
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP)
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+ partition, goal, err);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
return udf_bitmap_new_block(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
- partition, goal, err);
- }
- else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE)
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+ partition, goal, err);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
return udf_table_new_block(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
- partition, goal, err);
- }
- else
- {
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+ partition, goal, err);
+ } else {
*err = -EIO;
return 0;
}
diff --git a/fs/udf/crc.c b/fs/udf/crc.c
index 1b82a4adc2f7..85aaee5fab26 100644
--- a/fs/udf/crc.c
+++ b/fs/udf/crc.c
@@ -79,8 +79,7 @@ static uint16_t crc_table[256] = {
* July 21, 1997 - Andrew E. Mileski
* Adapted from OSTA-UDF(tm) 1.50 standard.
*/
-uint16_t
-udf_crc(uint8_t *data, uint32_t size, uint16_t crc)
+uint16_t udf_crc(uint8_t * data, uint32_t size, uint16_t crc)
{
while (size--)
crc = crc_table[(crc >> 8 ^ *(data++)) & 0xffU] ^ (crc << 8);
@@ -106,8 +105,8 @@ int main(void)
{
unsigned short x;
- x = udf_crc16(bytes, sizeof bytes);
- printf("udf_crc16: calculated = %4.4x, correct = %4.4x\n", x, 0x3299U);
+ x = udf_crc(bytes, sizeof bytes);
+ printf("udf_crc: calculated = %4.4x, correct = %4.4x\n", x, 0x3299U);
return 0;
}
@@ -138,7 +137,7 @@ int main(int argc, char **argv)
/* Get the polynomial */
sscanf(argv[1], "%lo", &poly);
- if (poly & 0xffff0000U){
+ if (poly & 0xffff0000U) {
fprintf(stderr, "polynomial is too large\en");
exit(1);
}
@@ -147,22 +146,22 @@ int main(int argc, char **argv)
/* Create a table */
printf("static unsigned short crc_table[256] = {\n");
- for (n = 0; n < 256; n++){
+ for (n = 0; n < 256; n++) {
if (n % 8 == 0)
printf("\t");
crc = n << 8;
- for (i = 0; i < 8; i++){
- if(crc & 0x8000U)
+ for (i = 0; i < 8; i++) {
+ if (crc & 0x8000U)
crc = (crc << 1) ^ poly;
else
crc <<= 1;
- crc &= 0xFFFFU;
+ crc &= 0xFFFFU;
}
if (n == 255)
printf("0x%04xU ", crc);
else
printf("0x%04xU, ", crc);
- if(n % 8 == 7)
+ if (n % 8 == 7)
printf("\n");
}
printf("};\n");
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index e45f86b5e7b0..9e3b9f97ddbc 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -82,14 +82,12 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
lock_kernel();
- if ( filp->f_pos == 0 )
- {
- if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0)
- {
+ if (filp->f_pos == 0) {
+ if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0) {
unlock_kernel();
return 0;
}
- filp->f_pos ++;
+ filp->f_pos++;
}
result = do_udf_readdir(dir, filp, filldir, dirent);
@@ -97,11 +95,12 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
return result;
}
-static int
-do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *dirent)
+static int
+do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir,
+ void *dirent)
{
struct udf_fileident_bh fibh;
- struct fileIdentDesc *fi=NULL;
+ struct fileIdentDesc *fi = NULL;
struct fileIdentDesc cfi;
int block, iblock;
loff_t nf_pos = filp->f_pos - 1;
@@ -117,7 +116,7 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
sector_t offset;
int i, num;
unsigned int dt_type;
- struct extent_position epos = { NULL, 0, {0, 0}};
+ struct extent_position epos = { NULL, 0, {0, 0} };
if (nf_pos >= size)
return 0;
@@ -126,64 +125,54 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
nf_pos = (udf_ext0_offset(dir) >> 2);
fibh.soffset = fibh.eoffset = (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
fibh.sbh = fibh.ebh = NULL;
- else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2),
- &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
- {
+ } else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2),
+ &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
- if ((++offset << dir->i_sb->s_blocksize_bits) < elen)
- {
+ if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(long_ad);
- }
- else
+ } else {
offset = 0;
+ }
- if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block)))
- {
+ if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) {
brelse(epos.bh);
return -EIO;
}
-
- if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9))-1)))
- {
+
+ if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) {
i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
- if (i+offset > (elen >> dir->i_sb->s_blocksize_bits))
- i = (elen >> dir->i_sb->s_blocksize_bits)-offset;
- for (num=0; i>0; i--)
- {
- block = udf_get_lb_pblock(dir->i_sb, eloc, offset+i);
+ if (i + offset > (elen >> dir->i_sb->s_blocksize_bits))
+ i = (elen >> dir->i_sb->s_blocksize_bits) - offset;
+ for (num = 0; i > 0; i--) {
+ block = udf_get_lb_pblock(dir->i_sb, eloc, offset + i);
tmp = udf_tgetblk(dir->i_sb, block);
if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp))
bha[num++] = tmp;
else
brelse(tmp);
}
- if (num)
- {
+ if (num) {
ll_rw_block(READA, num, bha);
- for (i=0; i<num; i++)
+ for (i = 0; i < num; i++)
brelse(bha[i]);
}
}
- }
- else
- {
+ } else {
brelse(epos.bh);
return -ENOENT;
}
- while ( nf_pos < size )
- {
+ while (nf_pos < size) {
filp->f_pos = nf_pos + 1;
- fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset);
-
- if (!fi)
- {
+ fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc,
+ &elen, &offset);
+ if (!fi) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
@@ -194,45 +183,40 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
liu = le16_to_cpu(cfi.lengthOfImpUse);
lfi = cfi.lengthFileIdent;
- if (fibh.sbh == fibh.ebh)
+ if (fibh.sbh == fibh.ebh) {
nameptr = fi->fileIdent + liu;
- else
- {
+ } else {
int poffset; /* Unpaded ending offset */
poffset = fibh.soffset + sizeof(struct fileIdentDesc) + liu + lfi;
- if (poffset >= lfi)
+ if (poffset >= lfi) {
nameptr = (char *)(fibh.ebh->b_data + poffset - lfi);
- else
- {
+ } else {
nameptr = fname;
- memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
- memcpy(nameptr + lfi - poffset, fibh.ebh->b_data, poffset);
+ memcpy(nameptr, fi->fileIdent + liu,
+ lfi - poffset);
+ memcpy(nameptr + lfi - poffset,
+ fibh.ebh->b_data, poffset);
}
}
- if ( (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) != 0 )
- {
- if ( !UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE) )
+ if ((cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
+ if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE))
continue;
}
-
- if ( (cfi.fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0 )
- {
- if ( !UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE) )
+
+ if ((cfi.fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0) {
+ if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE))
continue;
}
- if ( cfi.fileCharacteristics & FID_FILE_CHAR_PARENT )
- {
+ if (cfi.fileCharacteristics & FID_FILE_CHAR_PARENT) {
iblock = parent_ino(filp->f_path.dentry);
flen = 2;
memcpy(fname, "..", flen);
dt_type = DT_DIR;
- }
- else
- {
+ } else {
kernel_lb_addr tloc = lelb_to_cpu(cfi.icb.extLocation);
iblock = udf_get_lb_pblock(dir->i_sb, tloc, 0);
@@ -240,10 +224,8 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
dt_type = DT_UNKNOWN;
}
- if (flen)
- {
- if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0)
- {
+ if (flen) {
+ if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
diff --git a/fs/udf/directory.c b/fs/udf/directory.c
index 198caa33027a..ff8c08fd7bf5 100644
--- a/fs/udf/directory.c
+++ b/fs/udf/directory.c
@@ -19,10 +19,10 @@
#include <linux/buffer_head.h>
#if 0
-static uint8_t *
-udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size,
- kernel_lb_addr fe_loc, int *pos, int *offset,
- struct buffer_head **bh, int *error)
+static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
+ uint8_t ad_size, kernel_lb_addr fe_loc,
+ int *pos, int *offset, struct buffer_head **bh,
+ int *error)
{
int loffset = *offset;
int block;
@@ -34,24 +34,20 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size,
ad = (uint8_t *)(*bh)->b_data + *offset;
*offset += ad_size;
- if (!ad)
- {
+ if (!ad) {
brelse(*bh);
*error = 1;
return NULL;
}
- if (*offset == dir->i_sb->s_blocksize)
- {
+ if (*offset == dir->i_sb->s_blocksize) {
brelse(*bh);
block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
if (!block)
return NULL;
if (!(*bh = udf_tread(dir->i_sb, block)))
return NULL;
- }
- else if (*offset > dir->i_sb->s_blocksize)
- {
+ } else if (*offset > dir->i_sb->s_blocksize) {
ad = tmpad;
remainder = dir->i_sb->s_blocksize - loffset;
@@ -67,53 +63,51 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size,
memcpy((uint8_t *)ad + remainder, (*bh)->b_data, ad_size - remainder);
*offset = ad_size - remainder;
}
+
return ad;
}
#endif
-struct fileIdentDesc *
-udf_fileident_read(struct inode *dir, loff_t *nf_pos,
- struct udf_fileident_bh *fibh,
- struct fileIdentDesc *cfi,
- struct extent_position *epos,
- kernel_lb_addr *eloc, uint32_t *elen,
- sector_t *offset)
+struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
+ struct udf_fileident_bh *fibh,
+ struct fileIdentDesc *cfi,
+ struct extent_position *epos,
+ kernel_lb_addr * eloc, uint32_t * elen,
+ sector_t * offset)
{
struct fileIdentDesc *fi;
int i, num, block;
- struct buffer_head * tmp, * bha[16];
+ struct buffer_head *tmp, *bha[16];
fibh->soffset = fibh->eoffset;
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
fi = udf_get_fileident(UDF_I_DATA(dir) -
- (UDF_I_EFE(dir) ?
- sizeof(struct extendedFileEntry) :
- sizeof(struct fileEntry)),
- dir->i_sb->s_blocksize, &(fibh->eoffset));
-
+ (UDF_I_EFE(dir) ?
+ sizeof(struct extendedFileEntry) :
+ sizeof(struct fileEntry)),
+ dir->i_sb->s_blocksize, &(fibh->eoffset));
if (!fi)
return NULL;
*nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
- memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
+ memcpy((uint8_t *)cfi, (uint8_t *)fi,
+ sizeof(struct fileIdentDesc));
return fi;
}
- if (fibh->eoffset == dir->i_sb->s_blocksize)
- {
+ if (fibh->eoffset == dir->i_sb->s_blocksize) {
int lextoffset = epos->offset;
if (udf_next_aext(dir, epos, eloc, elen, 1) !=
- (EXT_RECORDED_ALLOCATED >> 30))
+ (EXT_RECORDED_ALLOCATED >> 30))
return NULL;
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
- (*offset) ++;
+ (*offset)++;
if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
*offset = 0;
@@ -125,57 +119,50 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos,
return NULL;
fibh->soffset = fibh->eoffset = 0;
- if (!(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9))-1)))
- {
+ if (!(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) {
i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
- if (i+*offset > (*elen >> dir->i_sb->s_blocksize_bits))
+ if (i + *offset > (*elen >> dir->i_sb->s_blocksize_bits))
i = (*elen >> dir->i_sb->s_blocksize_bits)-*offset;
- for (num=0; i>0; i--)
- {
- block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset+i);
+ for (num = 0; i > 0; i--) {
+ block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset + i);
tmp = udf_tgetblk(dir->i_sb, block);
if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp))
bha[num++] = tmp;
else
brelse(tmp);
}
- if (num)
- {
+ if (num) {
ll_rw_block(READA, num, bha);
- for (i=0; i<num; i++)
+ for (i = 0; i < num; i++)
brelse(bha[i]);
}
}
- }
- else if (fibh->sbh != fibh->ebh)
- {
+ } else if (fibh->sbh != fibh->ebh) {
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
fi = udf_get_fileident(fibh->sbh->b_data, dir->i_sb->s_blocksize,
- &(fibh->eoffset));
+ &(fibh->eoffset));
if (!fi)
return NULL;
*nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
- if (fibh->eoffset <= dir->i_sb->s_blocksize)
- {
- memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
- }
- else if (fibh->eoffset > dir->i_sb->s_blocksize)
- {
+ if (fibh->eoffset <= dir->i_sb->s_blocksize) {
+ memcpy((uint8_t *)cfi, (uint8_t *)fi,
+ sizeof(struct fileIdentDesc));
+ } else if (fibh->eoffset > dir->i_sb->s_blocksize) {
int lextoffset = epos->offset;
if (udf_next_aext(dir, epos, eloc, elen, 1) !=
- (EXT_RECORDED_ALLOCATED >> 30))
+ (EXT_RECORDED_ALLOCATED >> 30))
return NULL;
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
- (*offset) ++;
+ (*offset)++;
if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
*offset = 0;
@@ -188,62 +175,59 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos,
if (!(fibh->ebh = udf_tread(dir->i_sb, block)))
return NULL;
- if (sizeof(struct fileIdentDesc) > - fibh->soffset)
- {
+ if (sizeof(struct fileIdentDesc) > -fibh->soffset) {
int fi_len;
- memcpy((uint8_t *)cfi, (uint8_t *)fi, - fibh->soffset);
+ memcpy((uint8_t *)cfi, (uint8_t *)fi, -fibh->soffset);
memcpy((uint8_t *)cfi - fibh->soffset, fibh->ebh->b_data,
- sizeof(struct fileIdentDesc) + fibh->soffset);
+ sizeof(struct fileIdentDesc) + fibh->soffset);
fi_len = (sizeof(struct fileIdentDesc) + cfi->lengthFileIdent +
- le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
+ le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
*nf_pos += ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2);
fibh->eoffset = fibh->soffset + fi_len;
- }
- else
- {
- memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
+ } else {
+ memcpy((uint8_t *)cfi, (uint8_t *)fi,
+ sizeof(struct fileIdentDesc));
}
}
return fi;
}
-struct fileIdentDesc *
-udf_get_fileident(void * buffer, int bufsize, int * offset)
+struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
{
struct fileIdentDesc *fi;
int lengthThisIdent;
- uint8_t * ptr;
+ uint8_t *ptr;
int padlen;
- if ( (!buffer) || (!offset) ) {
- udf_debug("invalidparms\n, buffer=%p, offset=%p\n", buffer, offset);
+ if ((!buffer) || (!offset)) {
+ udf_debug("invalidparms\n, buffer=%p, offset=%p\n", buffer,
+ offset);
return NULL;
}
ptr = buffer;
- if ( (*offset > 0) && (*offset < bufsize) ) {
+ if ((*offset > 0) && (*offset < bufsize)) {
ptr += *offset;
}
- fi=(struct fileIdentDesc *)ptr;
- if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID)
- {
+ fi = (struct fileIdentDesc *)ptr;
+ if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID) {
udf_debug("0x%x != TAG_IDENT_FID\n",
- le16_to_cpu(fi->descTag.tagIdent));
+ le16_to_cpu(fi->descTag.tagIdent));
udf_debug("offset: %u sizeof: %lu bufsize: %u\n",
- *offset, (unsigned long)sizeof(struct fileIdentDesc), bufsize);
+ *offset, (unsigned long)sizeof(struct fileIdentDesc),
+ bufsize);
return NULL;
}
- if ( (*offset + sizeof(struct fileIdentDesc)) > bufsize )
- {
+ if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) {
lengthThisIdent = sizeof(struct fileIdentDesc);
- }
- else
+ } else {
lengthThisIdent = sizeof(struct fileIdentDesc) +
fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse);
+ }
/* we need to figure padding, too! */
padlen = lengthThisIdent % UDF_NAME_PAD;
@@ -255,32 +239,28 @@ udf_get_fileident(void * buffer, int bufsize, int * offset)
}
#if 0
-static extent_ad *
-udf_get_fileextent(void * buffer, int bufsize, int * offset)
+static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset)
{
- extent_ad * ext;
+ extent_ad *ext;
struct fileEntry *fe;
- uint8_t * ptr;
+ uint8_t *ptr;
- if ( (!buffer) || (!offset) )
- {
+ if ((!buffer) || (!offset)) {
printk(KERN_ERR "udf: udf_get_fileextent() invalidparms\n");
return NULL;
}
fe = (struct fileEntry *)buffer;
- if ( le16_to_cpu(fe->descTag.tagIdent) != TAG_IDENT_FE )
- {
+ if (le16_to_cpu(fe->descTag.tagIdent) != TAG_IDENT_FE) {
udf_debug("0x%x != TAG_IDENT_FE\n",
- le16_to_cpu(fe->descTag.tagIdent));
+ le16_to_cpu(fe->descTag.tagIdent));
return NULL;
}
- ptr=(uint8_t *)(fe->extendedAttr) + le32_to_cpu(fe->lengthExtendedAttr);
+ ptr = (uint8_t *)(fe->extendedAttr) + le32_to_cpu(fe->lengthExtendedAttr);
- if ( (*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs)) )
- {
+ if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs))) {
ptr += *offset;
}
@@ -291,18 +271,17 @@ udf_get_fileextent(void * buffer, int bufsize, int * offset)
}
#endif
-short_ad *
-udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, int inc)
+short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset,
+ int inc)
{
short_ad *sa;
- if ( (!ptr) || (!offset) )
- {
+ if ((!ptr) || (!offset)) {
printk(KERN_ERR "udf: udf_get_fileshortad() invalidparms\n");
return NULL;
}
- if ( (*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset) )
+ if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset))
return NULL;
else if ((sa = (short_ad *)ptr)->extLength == 0)
return NULL;
@@ -312,18 +291,16 @@ udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, int inc)
return sa;
}
-long_ad *
-udf_get_filelongad(uint8_t *ptr, int maxoffset, int * offset, int inc)
+long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, int *offset, int inc)
{
long_ad *la;
- if ( (!ptr) || (!offset) )
- {
+ if ((!ptr) || (!offset)) {
printk(KERN_ERR "udf: udf_get_filelongad() invalidparms\n");
return NULL;
}
- if ( (*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset) )
+ if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset))
return NULL;
else if ((la = (long_ad *)ptr)->extLength == 0)
return NULL;
diff --git a/fs/udf/ecma_167.h b/fs/udf/ecma_167.h
index f81f2ebbf508..56387711589b 100644
--- a/fs/udf/ecma_167.h
+++ b/fs/udf/ecma_167.h
@@ -38,8 +38,7 @@
#define _ECMA_167_H 1
/* Character set specification (ECMA 167r3 1/7.2.1) */
-typedef struct
-{
+typedef struct {
uint8_t charSetType;
uint8_t charSetInfo[63];
} __attribute__ ((packed)) charspec;
@@ -58,8 +57,7 @@ typedef struct
typedef uint8_t dstring;
/* Timestamp (ECMA 167r3 1/7.3) */
-typedef struct
-{
+typedef struct {
__le16 typeAndTimezone;
__le16 year;
uint8_t month;
@@ -72,8 +70,7 @@ typedef struct
uint8_t microseconds;
} __attribute__ ((packed)) timestamp;
-typedef struct
-{
+typedef struct {
uint16_t typeAndTimezone;
int16_t year;
uint8_t month;
@@ -94,8 +91,7 @@ typedef struct
#define TIMESTAMP_TIMEZONE_MASK 0x0FFF
/* Entity identifier (ECMA 167r3 1/7.4) */
-typedef struct
-{
+typedef struct {
uint8_t flags;
uint8_t ident[23];
uint8_t identSuffix[8];
@@ -107,8 +103,7 @@ typedef struct
/* Volume Structure Descriptor (ECMA 167r3 2/9.1) */
#define VSD_STD_ID_LEN 5
-struct volStructDesc
-{
+struct volStructDesc {
uint8_t structType;
uint8_t stdIdent[VSD_STD_ID_LEN];
uint8_t structVersion;
@@ -127,8 +122,7 @@ struct volStructDesc
#define VSD_STD_ID_TEA01 "TEA01" /* (2/9.3) */
/* Beginning Extended Area Descriptor (ECMA 167r3 2/9.2) */
-struct beginningExtendedAreaDesc
-{
+struct beginningExtendedAreaDesc {
uint8_t structType;
uint8_t stdIdent[VSD_STD_ID_LEN];
uint8_t structVersion;
@@ -136,8 +130,7 @@ struct beginningExtendedAreaDesc
} __attribute__ ((packed));
/* Terminating Extended Area Descriptor (ECMA 167r3 2/9.3) */
-struct terminatingExtendedAreaDesc
-{
+struct terminatingExtendedAreaDesc {
uint8_t structType;
uint8_t stdIdent[VSD_STD_ID_LEN];
uint8_t structVersion;
@@ -145,8 +138,7 @@ struct terminatingExtendedAreaDesc
} __attribute__ ((packed));
/* Boot Descriptor (ECMA 167r3 2/9.4) */
-struct bootDesc
-{
+struct bootDesc {
uint8_t structType;
uint8_t stdIdent[VSD_STD_ID_LEN];
uint8_t structVersion;
@@ -167,21 +159,18 @@ struct bootDesc
#define BOOT_FLAGS_ERASE 0x01
/* Extent Descriptor (ECMA 167r3 3/7.1) */
-typedef struct
-{
+typedef struct {
__le32 extLength;
__le32 extLocation;
} __attribute__ ((packed)) extent_ad;
-typedef struct
-{
+typedef struct {
uint32_t extLength;
uint32_t extLocation;
} kernel_extent_ad;
/* Descriptor Tag (ECMA 167r3 3/7.2) */
-typedef struct
-{
+typedef struct {
__le16 tagIdent;
__le16 descVersion;
uint8_t tagChecksum;
@@ -204,18 +193,16 @@ typedef struct
#define TAG_IDENT_LVID 0x0009
/* NSR Descriptor (ECMA 167r3 3/9.1) */
-struct NSRDesc
-{
+struct NSRDesc {
uint8_t structType;
uint8_t stdIdent[VSD_STD_ID_LEN];
uint8_t structVersion;
uint8_t reserved;
uint8_t structData[2040];
} __attribute__ ((packed));
-
+
/* Primary Volume Descriptor (ECMA 167r3 3/10.1) */
-struct primaryVolDesc
-{
+struct primaryVolDesc {
tag descTag;
__le32 volDescSeqNum;
__le32 primaryVolDescNum;
@@ -244,8 +231,7 @@ struct primaryVolDesc
#define PVD_FLAGS_VSID_COMMON 0x0001
/* Anchor Volume Descriptor Pointer (ECMA 167r3 3/10.2) */
-struct anchorVolDescPtr
-{
+struct anchorVolDescPtr {
tag descTag;
extent_ad mainVolDescSeqExt;
extent_ad reserveVolDescSeqExt;
@@ -253,8 +239,7 @@ struct anchorVolDescPtr
} __attribute__ ((packed));
/* Volume Descriptor Pointer (ECMA 167r3 3/10.3) */
-struct volDescPtr
-{
+struct volDescPtr {
tag descTag;
__le32 volDescSeqNum;
extent_ad nextVolDescSeqExt;
@@ -262,8 +247,7 @@ struct volDescPtr
} __attribute__ ((packed));
/* Implementation Use Volume Descriptor (ECMA 167r3 3/10.4) */
-struct impUseVolDesc
-{
+struct impUseVolDesc {
tag descTag;
__le32 volDescSeqNum;
regid impIdent;
@@ -271,20 +255,19 @@ struct impUseVolDesc
} __attribute__ ((packed));
/* Partition Descriptor (ECMA 167r3 3/10.5) */
-struct partitionDesc
-{
- tag descTag;
- __le32 volDescSeqNum;
- __le16 partitionFlags;
- __le16 partitionNumber;
- regid partitionContents;
- uint8_t partitionContentsUse[128];
- __le32 accessType;
- __le32 partitionStartingLocation;
- __le32 partitionLength;
- regid impIdent;
- uint8_t impUse[128];
- uint8_t reserved[156];
+struct partitionDesc {
+ tag descTag;
+ __le32 volDescSeqNum;
+ __le16 partitionFlags;
+ __le16 partitionNumber;
+ regid partitionContents;
+ uint8_t partitionContentsUse[128];
+ __le32 accessType;
+ __le32 partitionStartingLocation;
+ __le32 partitionLength;
+ regid impIdent;
+ uint8_t impUse[128];
+ uint8_t reserved[156];
} __attribute__ ((packed));
/* Partition Flags (ECMA 167r3 3/10.5.3) */
@@ -307,8 +290,7 @@ struct partitionDesc
#define PD_ACCESS_TYPE_OVERWRITABLE 0x00000004
/* Logical Volume Descriptor (ECMA 167r3 3/10.6) */
-struct logicalVolDesc
-{
+struct logicalVolDesc {
tag descTag;
__le32 volDescSeqNum;
charspec descCharSet;
@@ -325,8 +307,7 @@ struct logicalVolDesc
} __attribute__ ((packed));
/* Generic Partition Map (ECMA 167r3 3/10.7.1) */
-struct genericPartitionMap
-{
+struct genericPartitionMap {
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t partitionMapping[0];
@@ -338,8 +319,7 @@ struct genericPartitionMap
#define GP_PARTITION_MAP_TYPE_2 0x02
/* Type 1 Partition Map (ECMA 167r3 3/10.7.2) */
-struct genericPartitionMap1
-{
+struct genericPartitionMap1 {
uint8_t partitionMapType;
uint8_t partitionMapLength;
__le16 volSeqNum;
@@ -347,16 +327,14 @@ struct genericPartitionMap1
} __attribute__ ((packed));
/* Type 2 Partition Map (ECMA 167r3 3/10.7.3) */
-struct genericPartitionMap2
-{
+struct genericPartitionMap2 {
uint8_t partitionMapType;
- uint8_t partitionMapLength;
+ uint8_t partitionMapLength;
uint8_t partitionIdent[62];
} __attribute__ ((packed));
/* Unallocated Space Descriptor (ECMA 167r3 3/10.8) */
-struct unallocSpaceDesc
-{
+struct unallocSpaceDesc {
tag descTag;
__le32 volDescSeqNum;
__le32 numAllocDescs;
@@ -364,15 +342,13 @@ struct unallocSpaceDesc
} __attribute__ ((packed));
/* Terminating Descriptor (ECMA 167r3 3/10.9) */
-struct terminatingDesc
-{
+struct terminatingDesc {
tag descTag;
uint8_t reserved[496];
} __attribute__ ((packed));
/* Logical Volume Integrity Descriptor (ECMA 167r3 3/10.10) */
-struct logicalVolIntegrityDesc
-{
+struct logicalVolIntegrityDesc {
tag descTag;
timestamp recordingDateAndTime;
__le32 integrityType;
@@ -390,52 +366,45 @@ struct logicalVolIntegrityDesc
#define LVID_INTEGRITY_TYPE_CLOSE 0x00000001
/* Recorded Address (ECMA 167r3 4/7.1) */
-typedef struct
-{
+typedef struct {
__le32 logicalBlockNum;
__le16 partitionReferenceNum;
} __attribute__ ((packed)) lb_addr;
/* ... and its in-core analog */
-typedef struct
-{
+typedef struct {
uint32_t logicalBlockNum;
uint16_t partitionReferenceNum;
} kernel_lb_addr;
/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */
-typedef struct
-{
+typedef struct {
__le32 extLength;
__le32 extPosition;
} __attribute__ ((packed)) short_ad;
/* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */
-typedef struct
-{
+typedef struct {
__le32 extLength;
lb_addr extLocation;
uint8_t impUse[6];
} __attribute__ ((packed)) long_ad;
-typedef struct
-{
+typedef struct {
uint32_t extLength;
kernel_lb_addr extLocation;
uint8_t impUse[6];
} kernel_long_ad;
/* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */
-typedef struct
-{
+typedef struct {
__le32 extLength;
__le32 recordedLength;
__le32 informationLength;
lb_addr extLocation;
} __attribute__ ((packed)) ext_ad;
-typedef struct
-{
+typedef struct {
uint32_t extLength;
uint32_t recordedLength;
uint32_t informationLength;
@@ -458,8 +427,7 @@ typedef struct
#define TAG_IDENT_EFE 0x010A
/* File Set Descriptor (ECMA 167r3 4/14.1) */
-struct fileSetDesc
-{
+struct fileSetDesc {
tag descTag;
timestamp recordingDateAndTime;
__le16 interchangeLvl;
@@ -482,8 +450,7 @@ struct fileSetDesc
} __attribute__ ((packed));
/* Partition Header Descriptor (ECMA 167r3 4/14.3) */
-struct partitionHeaderDesc
-{
+struct partitionHeaderDesc {
short_ad unallocSpaceTable;
short_ad unallocSpaceBitmap;
short_ad partitionIntegrityTable;
@@ -493,8 +460,7 @@ struct partitionHeaderDesc
} __attribute__ ((packed));
/* File Identifier Descriptor (ECMA 167r3 4/14.4) */
-struct fileIdentDesc
-{
+struct fileIdentDesc {
tag descTag;
__le16 fileVersionNum;
uint8_t fileCharacteristics;
@@ -514,16 +480,14 @@ struct fileIdentDesc
#define FID_FILE_CHAR_METADATA 0x10
/* Allocation Ext Descriptor (ECMA 167r3 4/14.5) */
-struct allocExtDesc
-{
+struct allocExtDesc {
tag descTag;
__le32 previousAllocExtLocation;
__le32 lengthAllocDescs;
} __attribute__ ((packed));
/* ICB Tag (ECMA 167r3 4/14.6) */
-typedef struct
-{
+typedef struct {
__le32 priorRecordedNumDirectEntries;
__le16 strategyType;
__le16 strategyParameter;
@@ -576,23 +540,20 @@ typedef struct
#define ICBTAG_FLAG_STREAM 0x2000
/* Indirect Entry (ECMA 167r3 4/14.7) */
-struct indirectEntry
-{
+struct indirectEntry {
tag descTag;
icbtag icbTag;
long_ad indirectICB;
} __attribute__ ((packed));
/* Terminal Entry (ECMA 167r3 4/14.8) */
-struct terminalEntry
-{
+struct terminalEntry {
tag descTag;
icbtag icbTag;
} __attribute__ ((packed));
/* File Entry (ECMA 167r3 4/14.9) */
-struct fileEntry
-{
+struct fileEntry {
tag descTag;
icbtag icbTag;
__le32 uid;
@@ -655,16 +616,14 @@ struct fileEntry
#define FE_RECORD_DISPLAY_ATTR_3 0x03
/* Extended Attribute Header Descriptor (ECMA 167r3 4/14.10.1) */
-struct extendedAttrHeaderDesc
-{
+struct extendedAttrHeaderDesc {
tag descTag;
__le32 impAttrLocation;
__le32 appAttrLocation;
} __attribute__ ((packed));
/* Generic Format (ECMA 167r3 4/14.10.2) */
-struct genericFormat
-{
+struct genericFormat {
__le32 attrType;
uint8_t attrSubtype;
uint8_t reserved[3];
@@ -673,8 +632,7 @@ struct genericFormat
} __attribute__ ((packed));
/* Character Set Information (ECMA 167r3 4/14.10.3) */
-struct charSetInfo
-{
+struct charSetInfo {
__le32 attrType;
uint8_t attrSubtype;
uint8_t reserved[3];
@@ -685,8 +643,7 @@ struct charSetInfo
} __attribute__ ((packed));
/* Alternate Permissions (ECMA 167r3 4/14.10.4) */
-struct altPerms
-{
+struct altPerms {
__le32 attrType;
uint8_t attrSubtype;
uint8_t reserved[3];
@@ -697,8 +654,7 @@ struct altPerms
} __attribute__ ((packed));
/* File Times Extended Attribute (ECMA 167r3 4/14.10.5) */
-struct fileTimesExtAttr
-{
+struct fileTimesExtAttr {
__le32 attrType;
uint8_t attrSubtype;
uint8_t reserved[3];
@@ -715,8 +671,7 @@ struct fileTimesExtAttr
#define FTE_BACKUP 0x00000002
/* Information Times Extended Attribute (ECMA 167r3 4/14.10.6) */
-struct infoTimesExtAttr
-{
+struct infoTimesExtAttr {
__le32 attrType;
uint8_t attrSubtype;
uint8_t reserved[3];
@@ -727,8 +682,7 @@ struct infoTimesExtAttr
} __attribute__ ((packed));
/* Device Specification (ECMA 167r3 4/14.10.7) */
-struct deviceSpec
-{
+struct deviceSpec {
__le32 attrType;
uint8_t attrSubtype;
uint8_t reserved[3];
@@ -740,8 +694,7 @@ struct deviceSpec
} __attribute__ ((packed));
/* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */
-struct impUseExtAttr
-{
+struct impUseExtAttr {
__le32 attrType;
uint8_t attrSubtype;
uint8_t reserved[3];
@@ -752,8 +705,7 @@ struct impUseExtAttr
} __attribute__ ((packed));
/* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */
-struct appUseExtAttr
-{
+struct appUseExtAttr {
__le32 attrType;
uint8_t attrSubtype;
uint8_t reserved[3];
@@ -771,10 +723,8 @@ struct appUseExtAttr
#define EXTATTR_IMP_USE 2048
#define EXTATTR_APP_USE 65536
-
/* Unallocated Space Entry (ECMA 167r3 4/14.11) */
-struct unallocSpaceEntry
-{
+struct unallocSpaceEntry {
tag descTag;
icbtag icbTag;
__le32 lengthAllocDescs;
@@ -782,8 +732,7 @@ struct unallocSpaceEntry
} __attribute__ ((packed));
/* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */
-struct spaceBitmapDesc
-{
+struct spaceBitmapDesc {
tag descTag;
__le32 numOfBits;
__le32 numOfBytes;
@@ -791,8 +740,7 @@ struct spaceBitmapDesc
} __attribute__ ((packed));
/* Partition Integrity Entry (ECMA 167r3 4/14.13) */
-struct partitionIntegrityEntry
-{
+struct partitionIntegrityEntry {
tag descTag;
icbtag icbTag;
timestamp recordingDateAndTime;
@@ -815,15 +763,13 @@ struct partitionIntegrityEntry
/* Extended Allocation Descriptor (ECMA 167r3 4/14.14.3) */
/* Logical Volume Header Descriptor (ECMA 167r3 4/14.15) */
-struct logicalVolHeaderDesc
-{
+struct logicalVolHeaderDesc {
__le64 uniqueID;
uint8_t reserved[24];
} __attribute__ ((packed));
/* Path Component (ECMA 167r3 4/14.16.1) */
-struct pathComponent
-{
+struct pathComponent {
uint8_t componentType;
uint8_t lengthComponentIdent;
__le16 componentFileVersionNum;
@@ -831,8 +777,7 @@ struct pathComponent
} __attribute__ ((packed));
/* File Entry (ECMA 167r3 4/14.17) */
-struct extendedFileEntry
-{
+struct extendedFileEntry {
tag descTag;
icbtag icbTag;
__le32 uid;
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 51b5764685e7..5d7a4ea27753 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -41,7 +41,7 @@
#include "udf_i.h"
#include "udf_sb.h"
-static int udf_adinicb_readpage(struct file *file, struct page * page)
+static int udf_adinicb_readpage(struct file *file, struct page *page)
{
struct inode *inode = page->mapping->host;
char *kaddr;
@@ -55,6 +55,7 @@ static int udf_adinicb_readpage(struct file *file, struct page * page)
SetPageUptodate(page);
kunmap(page);
unlock_page(page);
+
return 0;
}
@@ -71,22 +72,25 @@ static int udf_adinicb_writepage(struct page *page, struct writeback_control *wb
SetPageUptodate(page);
kunmap(page);
unlock_page(page);
+
return 0;
}
-static int udf_adinicb_prepare_write(struct file *file, struct page *page, unsigned offset, unsigned to)
+static int udf_adinicb_prepare_write(struct file *file, struct page *page,
+ unsigned offset, unsigned to)
{
kmap(page);
return 0;
}
-static int udf_adinicb_commit_write(struct file *file, struct page *page, unsigned offset, unsigned to)
+static int udf_adinicb_commit_write(struct file *file, struct page *page,
+ unsigned offset, unsigned to)
{
struct inode *inode = page->mapping->host;
char *kaddr = page_address(page);
memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset,
- kaddr + offset, to - offset);
+ kaddr + offset, to - offset);
mark_inode_dirty(inode);
SetPageUptodate(page);
kunmap(page);
@@ -97,15 +101,15 @@ static int udf_adinicb_commit_write(struct file *file, struct page *page, unsign
}
const struct address_space_operations udf_adinicb_aops = {
- .readpage = udf_adinicb_readpage,
- .writepage = udf_adinicb_writepage,
- .sync_page = block_sync_page,
- .prepare_write = udf_adinicb_prepare_write,
- .commit_write = udf_adinicb_commit_write,
+ .readpage = udf_adinicb_readpage,
+ .writepage = udf_adinicb_writepage,
+ .sync_page = block_sync_page,
+ .prepare_write = udf_adinicb_prepare_write,
+ .commit_write = udf_adinicb_commit_write,
};
static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
- unsigned long nr_segs, loff_t ppos)
+ unsigned long nr_segs, loff_t ppos)
{
ssize_t retval;
struct file *file = iocb->ki_filp;
@@ -113,25 +117,20 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
int err, pos;
size_t count = iocb->ki_left;
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
if (file->f_flags & O_APPEND)
pos = inode->i_size;
else
pos = ppos;
if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) +
- pos + count))
- {
+ pos + count)) {
udf_expand_file_adinicb(inode, pos + count, &err);
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
udf_debug("udf_expand_adinicb: err=%d\n", err);
return err;
}
- }
- else
- {
+ } else {
if (pos + count > inode->i_size)
UDF_I_LENALLOC(inode) = pos + count;
else
@@ -140,9 +139,9 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
}
retval = generic_file_aio_write(iocb, iov, nr_segs, ppos);
-
if (retval > 0)
mark_inode_dirty(inode);
+
return retval;
}
@@ -181,48 +180,42 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
* Written, tested, and released.
*/
int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
+ unsigned long arg)
{
+ long old_block, new_block;
int result = -EINVAL;
- if ( file_permission(filp, MAY_READ) != 0 )
- {
+ if (file_permission(filp, MAY_READ) != 0) {
udf_debug("no permission to access inode %lu\n",
- inode->i_ino);
+ inode->i_ino);
return -EPERM;
}
- if ( !arg )
- {
+ if (!arg) {
udf_debug("invalid argument to udf_ioctl\n");
return -EINVAL;
}
- switch (cmd)
- {
- case UDF_GETVOLIDENT:
- return copy_to_user((char __user *)arg,
- UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0;
- case UDF_RELOCATE_BLOCKS:
- {
- long old, new;
-
- if (!capable(CAP_SYS_ADMIN)) return -EACCES;
- if (get_user(old, (long __user *)arg)) return -EFAULT;
- if ((result = udf_relocate_blocks(inode->i_sb,
- old, &new)) == 0)
- result = put_user(new, (long __user *)arg);
-
- return result;
- }
- case UDF_GETEASIZE:
- result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg);
- break;
-
- case UDF_GETEABLOCK:
- result = copy_to_user((char __user *)arg, UDF_I_DATA(inode),
- UDF_I_LENEATTR(inode)) ? -EFAULT : 0;
- break;
+ switch (cmd) {
+ case UDF_GETVOLIDENT:
+ return copy_to_user((char __user *)arg,
+ UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0;
+ case UDF_RELOCATE_BLOCKS:
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+ if (get_user(old_block, (long __user *)arg))
+ return -EFAULT;
+ if ((result = udf_relocate_blocks(inode->i_sb,
+ old_block, &new_block)) == 0)
+ result = put_user(new_block, (long __user *)arg);
+ return result;
+ case UDF_GETEASIZE:
+ result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg);
+ break;
+ case UDF_GETEABLOCK:
+ result = copy_to_user((char __user *)arg, UDF_I_DATA(inode),
+ UDF_I_LENEATTR(inode)) ? -EFAULT : 0;
+ break;
}
return result;
@@ -240,10 +233,9 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
* HISTORY
*
*/
-static int udf_release_file(struct inode * inode, struct file * filp)
+static int udf_release_file(struct inode *inode, struct file *filp)
{
- if (filp->f_mode & FMODE_WRITE)
- {
+ if (filp->f_mode & FMODE_WRITE) {
lock_kernel();
udf_discard_prealloc(inode);
unlock_kernel();
@@ -261,9 +253,9 @@ const struct file_operations udf_file_operations = {
.aio_write = udf_file_aio_write,
.release = udf_release_file,
.fsync = udf_fsync_file,
- .sendfile = generic_file_sendfile,
+ .splice_read = generic_file_splice_read,
};
const struct inode_operations udf_file_inode_operations = {
- .truncate = udf_truncate,
+ .truncate = udf_truncate,
};
diff --git a/fs/udf/fsync.c b/fs/udf/fsync.c
index 6ded93e7c44f..b2c472b733b8 100644
--- a/fs/udf/fsync.c
+++ b/fs/udf/fsync.c
@@ -29,9 +29,10 @@ static int udf_fsync_inode(struct inode *, int);
* even pass file to fsync ?
*/
-int udf_fsync_file(struct file * file, struct dentry *dentry, int datasync)
+int udf_fsync_file(struct file *file, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
+
return udf_fsync_inode(inode, datasync);
}
@@ -45,6 +46,7 @@ static int udf_fsync_inode(struct inode *inode, int datasync)
if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
return err;
- err |= udf_sync_inode (inode);
+ err |= udf_sync_inode(inode);
+
return err ? -EIO : 0;
}
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 8206983f2ebf..636d8f613929 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -28,7 +28,7 @@
#include "udf_i.h"
#include "udf_sb.h"
-void udf_free_inode(struct inode * inode)
+void udf_free_inode(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
struct udf_sb_info *sbi = UDF_SB(sb);
@@ -50,7 +50,7 @@ void udf_free_inode(struct inode * inode)
else
UDF_SB_LVIDIU(sb)->numFiles =
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - 1);
-
+
mark_buffer_dirty(sbi->s_lvidbh);
}
mutex_unlock(&sbi->s_alloc_mutex);
@@ -58,18 +58,17 @@ void udf_free_inode(struct inode * inode)
udf_free_blocks(sb, NULL, UDF_I_LOCATION(inode), 0, 1);
}
-struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
+struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
{
struct super_block *sb = dir->i_sb;
struct udf_sb_info *sbi = UDF_SB(sb);
- struct inode * inode;
+ struct inode *inode;
int block;
uint32_t start = UDF_I_LOCATION(dir).logicalBlockNum;
inode = new_inode(sb);
- if (!inode)
- {
+ if (!inode) {
*err = -ENOMEM;
return NULL;
}
@@ -82,16 +81,14 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
UDF_I_STRAT4096(inode) = 0;
block = udf_new_block(dir->i_sb, NULL, UDF_I_LOCATION(dir).partitionReferenceNum,
- start, err);
- if (*err)
- {
+ start, err);
+ if (*err) {
iput(inode);
return NULL;
}
mutex_lock(&sbi->s_alloc_mutex);
- if (UDF_SB_LVIDBH(sb))
- {
+ if (UDF_SB_LVIDBH(sb)) {
struct logicalVolHeaderDesc *lvhd;
uint64_t uniqueID;
lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->logicalVolContentsUse);
@@ -109,14 +106,13 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
}
inode->i_mode = mode;
inode->i_uid = current->fsuid;
- if (dir->i_mode & S_ISGID)
- {
+ if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
if (S_ISDIR(mode))
mode |= S_ISGID;
- }
- else
+ } else {
inode->i_gid = current->fsgid;
+ }
UDF_I_LOCATION(inode).logicalBlockNum = block;
UDF_I_LOCATION(inode).partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum;
@@ -125,17 +121,20 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
UDF_I_LENEATTR(inode) = 0;
UDF_I_LENALLOC(inode) = 0;
UDF_I_USE(inode) = 0;
- if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE))
- {
+ if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
UDF_I_EFE(inode) = 1;
UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE);
UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL);
- }
- else
- {
+ } else {
UDF_I_EFE(inode) = 0;
UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL);
}
+ if (!UDF_I_DATA(inode)) {
+ iput(inode);
+ *err = -ENOMEM;
+ mutex_unlock(&sbi->s_alloc_mutex);
+ return NULL;
+ }
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
@@ -148,8 +147,7 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
mark_inode_dirty(inode);
mutex_unlock(&sbi->s_alloc_mutex);
- if (DQUOT_ALLOC_INODE(inode))
- {
+ if (DQUOT_ALLOC_INODE(inode)) {
DQUOT_DROP(inode);
inode->i_flags |= S_NOQUOTA;
inode->i_nlink = 0;
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index bf7de0bdbab3..1652b2c665bb 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -49,19 +49,20 @@ MODULE_LICENSE("GPL");
static mode_t udf_convert_permissions(struct fileEntry *);
static int udf_update_inode(struct inode *, int);
static void udf_fill_inode(struct inode *, struct buffer_head *);
+static int udf_alloc_i_data(struct inode *inode, size_t size);
static struct buffer_head *inode_getblk(struct inode *, sector_t, int *,
- long *, int *);
+ long *, int *);
static int8_t udf_insert_aext(struct inode *, struct extent_position,
- kernel_lb_addr, uint32_t);
+ kernel_lb_addr, uint32_t);
static void udf_split_extents(struct inode *, int *, int, int,
- kernel_long_ad [EXTENT_MERGE_SIZE], int *);
+ kernel_long_ad[EXTENT_MERGE_SIZE], int *);
static void udf_prealloc_extents(struct inode *, int, int,
- kernel_long_ad [EXTENT_MERGE_SIZE], int *);
+ kernel_long_ad[EXTENT_MERGE_SIZE], int *);
static void udf_merge_extents(struct inode *,
- kernel_long_ad [EXTENT_MERGE_SIZE], int *);
+ kernel_long_ad[EXTENT_MERGE_SIZE], int *);
static void udf_update_extents(struct inode *,
- kernel_long_ad [EXTENT_MERGE_SIZE], int, int,
- struct extent_position *);
+ kernel_long_ad[EXTENT_MERGE_SIZE], int, int,
+ struct extent_position *);
static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
/*
@@ -80,7 +81,7 @@ static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
*
* Called at the last iput() if i_nlink is zero.
*/
-void udf_delete_inode(struct inode * inode)
+void udf_delete_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
@@ -96,6 +97,7 @@ void udf_delete_inode(struct inode * inode)
unlock_kernel();
return;
+
no_delete:
clear_inode(inode);
}
@@ -131,26 +133,27 @@ static int udf_readpage(struct file *file, struct page *page)
return block_read_full_page(page, udf_get_block);
}
-static int udf_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
+static int udf_prepare_write(struct file *file, struct page *page,
+ unsigned from, unsigned to)
{
return block_prepare_write(page, from, to, udf_get_block);
}
static sector_t udf_bmap(struct address_space *mapping, sector_t block)
{
- return generic_block_bmap(mapping,block,udf_get_block);
+ return generic_block_bmap(mapping, block, udf_get_block);
}
const struct address_space_operations udf_aops = {
- .readpage = udf_readpage,
- .writepage = udf_writepage,
- .sync_page = block_sync_page,
- .prepare_write = udf_prepare_write,
- .commit_write = generic_commit_write,
- .bmap = udf_bmap,
+ .readpage = udf_readpage,
+ .writepage = udf_writepage,
+ .sync_page = block_sync_page,
+ .prepare_write = udf_prepare_write,
+ .commit_write = generic_commit_write,
+ .bmap = udf_bmap,
};
-void udf_expand_file_adinicb(struct inode * inode, int newsize, int * err)
+void udf_expand_file_adinicb(struct inode *inode, int newsize, int *err)
{
struct page *page;
char *kaddr;
@@ -162,8 +165,7 @@ void udf_expand_file_adinicb(struct inode * inode, int newsize, int * err)
/* from now on we have normal address_space methods */
inode->i_data.a_ops = &udf_aops;
- if (!UDF_I_LENALLOC(inode))
- {
+ if (!UDF_I_LENALLOC(inode)) {
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_SHORT;
else
@@ -175,19 +177,18 @@ void udf_expand_file_adinicb(struct inode * inode, int newsize, int * err)
page = grab_cache_page(inode->i_mapping, 0);
BUG_ON(!PageLocked(page));
- if (!PageUptodate(page))
- {
+ if (!PageUptodate(page)) {
kaddr = kmap(page);
memset(kaddr + UDF_I_LENALLOC(inode), 0x00,
- PAGE_CACHE_SIZE - UDF_I_LENALLOC(inode));
+ PAGE_CACHE_SIZE - UDF_I_LENALLOC(inode));
memcpy(kaddr, UDF_I_DATA(inode) + UDF_I_LENEATTR(inode),
- UDF_I_LENALLOC(inode));
+ UDF_I_LENALLOC(inode));
flush_dcache_page(page);
SetPageUptodate(page);
kunmap(page);
}
memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0x00,
- UDF_I_LENALLOC(inode));
+ UDF_I_LENALLOC(inode));
UDF_I_LENALLOC(inode) = 0;
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_SHORT;
@@ -200,7 +201,8 @@ void udf_expand_file_adinicb(struct inode * inode, int newsize, int * err)
mark_inode_dirty(inode);
}
-struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int *err)
+struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
+ int *err)
{
int newblock;
struct buffer_head *dbh = NULL;
@@ -219,8 +221,7 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int
else
alloctype = ICBTAG_FLAG_AD_LONG;
- if (!inode->i_size)
- {
+ if (!inode->i_size) {
UDF_I_ALLOCTYPE(inode) = alloctype;
mark_inode_dirty(inode);
return NULL;
@@ -228,13 +229,12 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int
/* alloc block, and copy data to it */
*block = udf_new_block(inode->i_sb, inode,
- UDF_I_LOCATION(inode).partitionReferenceNum,
- UDF_I_LOCATION(inode).logicalBlockNum, err);
-
+ UDF_I_LOCATION(inode).partitionReferenceNum,
+ UDF_I_LOCATION(inode).logicalBlockNum, err);
if (!(*block))
return NULL;
newblock = udf_get_pblock(inode->i_sb, *block,
- UDF_I_LOCATION(inode).partitionReferenceNum, 0);
+ UDF_I_LOCATION(inode).partitionReferenceNum, 0);
if (!newblock)
return NULL;
dbh = udf_tgetblk(inode->i_sb, newblock);
@@ -250,12 +250,10 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int
sfibh.sbh = sfibh.ebh = NULL;
dfibh.soffset = dfibh.eoffset = 0;
dfibh.sbh = dfibh.ebh = dbh;
- while ( (f_pos < size) )
- {
+ while ((f_pos < size)) {
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL);
- if (!sfi)
- {
+ if (!sfi) {
brelse(dbh);
return NULL;
}
@@ -265,8 +263,7 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int
dfibh.eoffset += (sfibh.eoffset - sfibh.soffset);
dfi = (struct fileIdentDesc *)(dbh->b_data + dfibh.soffset);
if (udf_write_fi(inode, sfi, dfi, &dfibh, sfi->impUse,
- sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse)))
- {
+ sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) {
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
brelse(dbh);
return NULL;
@@ -291,14 +288,14 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int
return dbh;
}
-static int udf_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_result, int create)
+static int udf_get_block(struct inode *inode, sector_t block,
+ struct buffer_head *bh_result, int create)
{
int err, new;
struct buffer_head *bh;
unsigned long phys;
- if (!create)
- {
+ if (!create) {
phys = udf_block_map(inode, block);
if (phys)
map_bh(bh_result, inode->i_sb, phys);
@@ -314,10 +311,9 @@ static int udf_get_block(struct inode *inode, sector_t block, struct buffer_head
if (block < 0)
goto abort_negative;
- if (block == UDF_I_NEXT_ALLOC_BLOCK(inode) + 1)
- {
- UDF_I_NEXT_ALLOC_BLOCK(inode) ++;
- UDF_I_NEXT_ALLOC_GOAL(inode) ++;
+ if (block == UDF_I_NEXT_ALLOC_BLOCK(inode) + 1) {
+ UDF_I_NEXT_ALLOC_BLOCK(inode)++;
+ UDF_I_NEXT_ALLOC_GOAL(inode)++;
}
err = 0;
@@ -331,6 +327,7 @@ static int udf_get_block(struct inode *inode, sector_t block, struct buffer_head
if (new)
set_buffer_new(bh_result);
map_bh(bh_result, inode->i_sb, phys);
+
abort:
unlock_kernel();
return err;
@@ -340,20 +337,18 @@ abort_negative:
goto abort;
}
-static struct buffer_head *
-udf_getblk(struct inode *inode, long block, int create, int *err)
+static struct buffer_head *udf_getblk(struct inode *inode, long block,
+ int create, int *err)
{
+ struct buffer_head *bh;
struct buffer_head dummy;
dummy.b_state = 0;
dummy.b_blocknr = -1000;
*err = udf_get_block(inode, block, &dummy, create);
- if (!*err && buffer_mapped(&dummy))
- {
- struct buffer_head *bh;
+ if (!*err && buffer_mapped(&dummy)) {
bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
- if (buffer_new(&dummy))
- {
+ if (buffer_new(&dummy)) {
lock_buffer(bh);
memset(bh->b_data, 0x00, inode->i_sb->s_blocksize);
set_buffer_uptodate(bh);
@@ -362,33 +357,36 @@ udf_getblk(struct inode *inode, long block, int create, int *err)
}
return bh;
}
+
return NULL;
}
/* Extend the file by 'blocks' blocks, return the number of extents added */
int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
- kernel_long_ad *last_ext, sector_t blocks)
+ kernel_long_ad * last_ext, sector_t blocks)
{
sector_t add;
int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
struct super_block *sb = inode->i_sb;
- kernel_lb_addr prealloc_loc = {0, 0};
+ kernel_lb_addr prealloc_loc = {};
int prealloc_len = 0;
/* The previous extent is fake and we should not extend by anything
* - there's nothing to do... */
if (!blocks && fake)
return 0;
+
/* Round the last extent up to a multiple of block size */
if (last_ext->extLength & (sb->s_blocksize - 1)) {
last_ext->extLength =
(last_ext->extLength & UDF_EXTENT_FLAG_MASK) |
(((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) +
- sb->s_blocksize - 1) & ~(sb->s_blocksize - 1));
+ sb->s_blocksize - 1) & ~(sb->s_blocksize - 1));
UDF_I_LENEXTENTS(inode) =
(UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) &
- ~(sb->s_blocksize - 1);
+ ~(sb->s_blocksize - 1);
}
+
/* Last extent are just preallocated blocks? */
if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_ALLOCATED) {
/* Save the extent so that we can reattach it to the end */
@@ -400,10 +398,11 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
last_ext->extLocation.logicalBlockNum = 0;
last_ext->extLocation.partitionReferenceNum = 0;
}
+
/* Can we merge with the previous extent? */
if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_NOT_ALLOCATED) {
- add = ((1<<30) - sb->s_blocksize - (last_ext->extLength &
- UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits;
+ add = ((1 << 30) - sb->s_blocksize - (last_ext->extLength &
+ UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits;
if (add > blocks)
add = blocks;
blocks -= add;
@@ -412,11 +411,12 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
if (fake) {
udf_add_aext(inode, last_pos, last_ext->extLocation,
- last_ext->extLength, 1);
+ last_ext->extLength, 1);
count++;
- }
- else
+ } else {
udf_write_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1);
+ }
+
/* Managed to do everything necessary? */
if (!blocks)
goto out;
@@ -426,11 +426,12 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
last_ext->extLocation.partitionReferenceNum = 0;
add = (1 << (30-sb->s_blocksize_bits)) - 1;
last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits);
+
/* Create enough extents to cover the whole hole */
while (blocks > add) {
blocks -= add;
if (udf_add_aext(inode, last_pos, last_ext->extLocation,
- last_ext->extLength, 1) == -1)
+ last_ext->extLength, 1) == -1)
return -1;
count++;
}
@@ -438,10 +439,11 @@ int udf_extend_file(struct inode *inode, struct extent_position *last_pos,
last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
(blocks << sb->s_blocksize_bits);
if (udf_add_aext(inode, last_pos, last_ext->extLocation,
- last_ext->extLength, 1) == -1)
+ last_ext->extLength, 1) == -1)
return -1;
count++;
}
+
out:
/* Do we have some preallocated blocks saved? */
if (prealloc_len) {
@@ -451,6 +453,7 @@ out:
last_ext->extLength = prealloc_len;
count++;
}
+
/* last_pos should point to the last written extent... */
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
last_pos->offset -= sizeof(short_ad);
@@ -458,11 +461,12 @@ out:
last_pos->offset -= sizeof(long_ad);
else
return -1;
+
return count;
}
-static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
- int *err, long *phys, int *new)
+static struct buffer_head *inode_getblk(struct inode *inode, sector_t block,
+ int *err, long *phys, int *new)
{
static sector_t last_block;
struct buffer_head *result = NULL;
@@ -486,18 +490,15 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
b_off = (loff_t)block << inode->i_sb->s_blocksize_bits;
/* find the extent which contains the block we are looking for.
- alternate between laarr[0] and laarr[1] for locations of the
- current extent, and the previous extent */
- do
- {
- if (prev_epos.bh != cur_epos.bh)
- {
+ alternate between laarr[0] and laarr[1] for locations of the
+ current extent, and the previous extent */
+ do {
+ if (prev_epos.bh != cur_epos.bh) {
brelse(prev_epos.bh);
get_bh(cur_epos.bh);
prev_epos.bh = cur_epos.bh;
}
- if (cur_epos.bh != next_epos.bh)
- {
+ if (cur_epos.bh != next_epos.bh) {
brelse(cur_epos.bh);
get_bh(next_epos.bh);
cur_epos.bh = next_epos.bh;
@@ -522,9 +523,9 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
pgoal = eloc.logicalBlockNum +
((elen + inode->i_sb->s_blocksize - 1) >>
- inode->i_sb->s_blocksize_bits);
+ inode->i_sb->s_blocksize_bits);
- count ++;
+ count++;
} while (lbcount + elen <= b_off);
b_off -= lbcount;
@@ -537,15 +538,13 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
udf_next_aext(inode, &cur_epos, &tmpeloc, &tmpelen, 0);
/* if the extent is allocated and recorded, return the block
- if the extent is not a multiple of the blocksize, round up */
+ if the extent is not a multiple of the blocksize, round up */
- if (etype == (EXT_RECORDED_ALLOCATED >> 30))
- {
- if (elen & (inode->i_sb->s_blocksize - 1))
- {
+ if (etype == (EXT_RECORDED_ALLOCATED >> 30)) {
+ if (elen & (inode->i_sb->s_blocksize - 1)) {
elen = EXT_RECORDED_ALLOCATED |
((elen + inode->i_sb->s_blocksize - 1) &
- ~(inode->i_sb->s_blocksize - 1));
+ ~(inode->i_sb->s_blocksize - 1));
etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1);
}
brelse(prev_epos.bh);
@@ -558,16 +557,14 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
last_block = block;
/* Are we beyond EOF? */
- if (etype == -1)
- {
+ if (etype == -1) {
int ret;
if (count) {
if (c)
laarr[0] = laarr[1];
startnum = 1;
- }
- else {
+ } else {
/* Create a fake extent when there's not one */
memset(&laarr[0].extLocation, 0x00, sizeof(kernel_lb_addr));
laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED;
@@ -597,18 +594,16 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
inode->i_sb->s_blocksize;
memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr));
- count ++;
- endnum ++;
+ count++;
+ endnum++;
}
- endnum = c+1;
+ endnum = c + 1;
lastblock = 1;
- }
- else {
+ } else {
endnum = startnum = ((count > 2) ? 2 : count);
/* if the current extent is in position 0, swap it with the previous */
- if (!c && count != 1)
- {
+ if (!c && count != 1) {
laarr[2] = laarr[0];
laarr[0] = laarr[1];
laarr[1] = laarr[2];
@@ -616,37 +611,33 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
}
/* if the current block is located in an extent, read the next extent */
- if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1)
- {
- laarr[c+1].extLength = (etype << 30) | elen;
- laarr[c+1].extLocation = eloc;
- count ++;
- startnum ++;
- endnum ++;
- }
- else {
+ if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) {
+ laarr[c + 1].extLength = (etype << 30) | elen;
+ laarr[c + 1].extLocation = eloc;
+ count++;
+ startnum++;
+ endnum++;
+ } else {
lastblock = 1;
}
}
/* if the current extent is not recorded but allocated, get the
- block in the extent corresponding to the requested block */
- if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30))
+ * block in the extent corresponding to the requested block */
+ if ((laarr[c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
newblocknum = laarr[c].extLocation.logicalBlockNum + offset;
- else /* otherwise, allocate a new block */
- {
+ } else { /* otherwise, allocate a new block */
if (UDF_I_NEXT_ALLOC_BLOCK(inode) == block)
goal = UDF_I_NEXT_ALLOC_GOAL(inode);
- if (!goal)
- {
+ if (!goal) {
if (!(goal = pgoal))
goal = UDF_I_LOCATION(inode).logicalBlockNum + 1;
}
if (!(newblocknum = udf_new_block(inode->i_sb, inode,
- UDF_I_LOCATION(inode).partitionReferenceNum, goal, err)))
- {
+ UDF_I_LOCATION(inode).partitionReferenceNum,
+ goal, err))) {
brelse(prev_epos.bh);
*err = -ENOSPC;
return NULL;
@@ -655,8 +646,8 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
}
/* if the extent the requsted block is located in contains multiple blocks,
- split the extent into at most three extents. blocks prior to requested
- block, requested block, and blocks after requested block */
+ * split the extent into at most three extents. blocks prior to requested
+ * block, requested block, and blocks after requested block */
udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum);
#ifdef UDF_PREALLOCATE
@@ -668,15 +659,14 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
udf_merge_extents(inode, laarr, &endnum);
/* write back the new extents, inserting new extents if the new number
- of extents is greater than the old number, and deleting extents if
- the new number of extents is less than the old number */
+ * of extents is greater than the old number, and deleting extents if
+ * the new number of extents is less than the old number */
udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);
brelse(prev_epos.bh);
if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum,
- UDF_I_LOCATION(inode).partitionReferenceNum, 0)))
- {
+ UDF_I_LOCATION(inode).partitionReferenceNum, 0))) {
return NULL;
}
*phys = newblock;
@@ -690,156 +680,139 @@ static struct buffer_head * inode_getblk(struct inode * inode, sector_t block,
udf_sync_inode(inode);
else
mark_inode_dirty(inode);
+
return result;
}
-static void udf_split_extents(struct inode *inode, int *c, int offset, int newblocknum,
- kernel_long_ad laarr[EXTENT_MERGE_SIZE], int *endnum)
+static void udf_split_extents(struct inode *inode, int *c, int offset,
+ int newblocknum,
+ kernel_long_ad laarr[EXTENT_MERGE_SIZE],
+ int *endnum)
{
if ((laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30) ||
- (laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
- {
+ (laarr[*c].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
int curr = *c;
int blen = ((laarr[curr].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
int8_t etype = (laarr[curr].extLength >> 30);
- if (blen == 1)
+ if (blen == 1) {
;
- else if (!offset || blen == offset + 1)
- {
- laarr[curr+2] = laarr[curr+1];
- laarr[curr+1] = laarr[curr];
- }
- else
- {
- laarr[curr+3] = laarr[curr+1];
- laarr[curr+2] = laarr[curr+1] = laarr[curr];
+ } else if (!offset || blen == offset + 1) {
+ laarr[curr + 2] = laarr[curr + 1];
+ laarr[curr + 1] = laarr[curr];
+ } else {
+ laarr[curr + 3] = laarr[curr + 1];
+ laarr[curr + 2] = laarr[curr + 1] = laarr[curr];
}
- if (offset)
- {
- if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30))
- {
+ if (offset) {
+ if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
udf_free_blocks(inode->i_sb, inode, laarr[curr].extLocation, 0, offset);
laarr[curr].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
(offset << inode->i_sb->s_blocksize_bits);
laarr[curr].extLocation.logicalBlockNum = 0;
laarr[curr].extLocation.partitionReferenceNum = 0;
- }
- else
+ } else {
laarr[curr].extLength = (etype << 30) |
(offset << inode->i_sb->s_blocksize_bits);
- curr ++;
- (*c) ++;
- (*endnum) ++;
+ }
+ curr++;
+ (*c)++;
+ (*endnum)++;
}
-
+
laarr[curr].extLocation.logicalBlockNum = newblocknum;
if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
laarr[curr].extLocation.partitionReferenceNum =
UDF_I_LOCATION(inode).partitionReferenceNum;
laarr[curr].extLength = EXT_RECORDED_ALLOCATED |
inode->i_sb->s_blocksize;
- curr ++;
+ curr++;
- if (blen != offset + 1)
- {
+ if (blen != offset + 1) {
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30))
laarr[curr].extLocation.logicalBlockNum += (offset + 1);
laarr[curr].extLength = (etype << 30) |
((blen - (offset + 1)) << inode->i_sb->s_blocksize_bits);
- curr ++;
- (*endnum) ++;
+ curr++;
+ (*endnum)++;
}
}
}
static void udf_prealloc_extents(struct inode *inode, int c, int lastblock,
- kernel_long_ad laarr[EXTENT_MERGE_SIZE], int *endnum)
+ kernel_long_ad laarr[EXTENT_MERGE_SIZE],
+ int *endnum)
{
int start, length = 0, currlength = 0, i;
- if (*endnum >= (c+1))
- {
+ if (*endnum >= (c + 1)) {
if (!lastblock)
return;
else
start = c;
- }
- else
- {
- if ((laarr[c+1].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30))
- {
- start = c+1;
- length = currlength = (((laarr[c+1].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
- }
- else
+ } else {
+ if ((laarr[c + 1].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
+ start = c + 1;
+ length = currlength = (((laarr[c + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
+ } else {
start = c;
+ }
}
- for (i=start+1; i<=*endnum; i++)
- {
- if (i == *endnum)
- {
+ for (i = start + 1; i <= *endnum; i++) {
+ if (i == *endnum) {
if (lastblock)
length += UDF_DEFAULT_PREALLOC_BLOCKS;
- }
- else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
+ } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) {
length += (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
- else
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
+ } else {
break;
+ }
}
- if (length)
- {
+ if (length) {
int next = laarr[start].extLocation.logicalBlockNum +
(((laarr[start].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
int numalloc = udf_prealloc_blocks(inode->i_sb, inode,
- laarr[start].extLocation.partitionReferenceNum,
- next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ? length :
- UDF_DEFAULT_PREALLOC_BLOCKS) - currlength);
-
- if (numalloc)
- {
- if (start == (c+1))
+ laarr[start].extLocation.partitionReferenceNum,
+ next, (UDF_DEFAULT_PREALLOC_BLOCKS > length ? length :
+ UDF_DEFAULT_PREALLOC_BLOCKS) - currlength);
+ if (numalloc) {
+ if (start == (c + 1)) {
laarr[start].extLength +=
(numalloc << inode->i_sb->s_blocksize_bits);
- else
- {
- memmove(&laarr[c+2], &laarr[c+1],
- sizeof(long_ad) * (*endnum - (c+1)));
- (*endnum) ++;
- laarr[c+1].extLocation.logicalBlockNum = next;
- laarr[c+1].extLocation.partitionReferenceNum =
+ } else {
+ memmove(&laarr[c + 2], &laarr[c + 1],
+ sizeof(long_ad) * (*endnum - (c + 1)));
+ (*endnum)++;
+ laarr[c + 1].extLocation.logicalBlockNum = next;
+ laarr[c + 1].extLocation.partitionReferenceNum =
laarr[c].extLocation.partitionReferenceNum;
- laarr[c+1].extLength = EXT_NOT_RECORDED_ALLOCATED |
+ laarr[c + 1].extLength = EXT_NOT_RECORDED_ALLOCATED |
(numalloc << inode->i_sb->s_blocksize_bits);
- start = c+1;
+ start = c + 1;
}
- for (i=start+1; numalloc && i<*endnum; i++)
- {
+ for (i = start + 1; numalloc && i < *endnum; i++) {
int elen = ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
- if (elen > numalloc)
- {
+ if (elen > numalloc) {
laarr[i].extLength -=
(numalloc << inode->i_sb->s_blocksize_bits);
numalloc = 0;
- }
- else
- {
+ } else {
numalloc -= elen;
- if (*endnum > (i+1))
- memmove(&laarr[i], &laarr[i+1],
- sizeof(long_ad) * (*endnum - (i+1)));
- i --;
- (*endnum) --;
+ if (*endnum > (i + 1))
+ memmove(&laarr[i], &laarr[i + 1],
+ sizeof(long_ad) * (*endnum - (i + 1)));
+ i--;
+ (*endnum)--;
}
}
UDF_I_LENEXTENTS(inode) += numalloc << inode->i_sb->s_blocksize_bits;
@@ -848,82 +821,70 @@ static void udf_prealloc_extents(struct inode *inode, int c, int lastblock,
}
static void udf_merge_extents(struct inode *inode,
- kernel_long_ad laarr[EXTENT_MERGE_SIZE], int *endnum)
+ kernel_long_ad laarr[EXTENT_MERGE_SIZE],
+ int *endnum)
{
int i;
- for (i=0; i<(*endnum-1); i++)
- {
- if ((laarr[i].extLength >> 30) == (laarr[i+1].extLength >> 30))
- {
+ for (i = 0; i < (*endnum - 1); i++) {
+ if ((laarr[i].extLength >> 30) == (laarr[i + 1].extLength >> 30)) {
if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) ||
- ((laarr[i+1].extLocation.logicalBlockNum - laarr[i].extLocation.logicalBlockNum) ==
- (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits)))
- {
+ ((laarr[i + 1].extLocation.logicalBlockNum - laarr[i].extLocation.logicalBlockNum) ==
+ (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits))) {
if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- (laarr[i+1].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK)
- {
- laarr[i+1].extLength = (laarr[i+1].extLength -
- (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize-1);
+ (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) {
+ laarr[i + 1].extLength = (laarr[i + 1].extLength -
+ (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1);
laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) +
(UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize;
- laarr[i+1].extLocation.logicalBlockNum =
+ laarr[i + 1].extLocation.logicalBlockNum =
laarr[i].extLocation.logicalBlockNum +
((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) >>
- inode->i_sb->s_blocksize_bits);
- }
- else
- {
- laarr[i].extLength = laarr[i+1].extLength +
+ inode->i_sb->s_blocksize_bits);
+ } else {
+ laarr[i].extLength = laarr[i + 1].extLength +
(((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize-1));
- if (*endnum > (i+2))
- memmove(&laarr[i+1], &laarr[i+2],
- sizeof(long_ad) * (*endnum - (i+2)));
- i --;
- (*endnum) --;
+ inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1));
+ if (*endnum > (i + 2))
+ memmove(&laarr[i + 1], &laarr[i + 2],
+ sizeof(long_ad) * (*endnum - (i + 2)));
+ i--;
+ (*endnum)--;
}
}
- }
- else if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) &&
- ((laarr[i+1].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)))
- {
+ } else if (((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) &&
+ ((laarr[i + 1].extLength >> 30) == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))) {
udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0,
- ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
+ ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
laarr[i].extLocation.logicalBlockNum = 0;
laarr[i].extLocation.partitionReferenceNum = 0;
if (((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- (laarr[i+1].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK)
- {
- laarr[i+1].extLength = (laarr[i+1].extLength -
- (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize-1);
+ (laarr[i + 1].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) & ~UDF_EXTENT_LENGTH_MASK) {
+ laarr[i + 1].extLength = (laarr[i + 1].extLength -
+ (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ UDF_EXTENT_LENGTH_MASK) & ~(inode->i_sb->s_blocksize - 1);
laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_FLAG_MASK) +
(UDF_EXTENT_LENGTH_MASK + 1) - inode->i_sb->s_blocksize;
- }
- else
- {
- laarr[i].extLength = laarr[i+1].extLength +
+ } else {
+ laarr[i].extLength = laarr[i + 1].extLength +
(((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize-1));
- if (*endnum > (i+2))
- memmove(&laarr[i+1], &laarr[i+2],
- sizeof(long_ad) * (*endnum - (i+2)));
- i --;
- (*endnum) --;
+ inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1));
+ if (*endnum > (i + 2))
+ memmove(&laarr[i + 1], &laarr[i + 2],
+ sizeof(long_ad) * (*endnum - (i + 2)));
+ i--;
+ (*endnum)--;
}
- }
- else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30))
- {
+ } else if ((laarr[i].extLength >> 30) == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
udf_free_blocks(inode->i_sb, inode, laarr[i].extLocation, 0,
- ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
- inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
+ ((laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) +
+ inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits);
laarr[i].extLocation.logicalBlockNum = 0;
laarr[i].extLocation.partitionReferenceNum = 0;
laarr[i].extLength = (laarr[i].extLength & UDF_EXTENT_LENGTH_MASK) |
@@ -933,43 +894,39 @@ static void udf_merge_extents(struct inode *inode,
}
static void udf_update_extents(struct inode *inode,
- kernel_long_ad laarr[EXTENT_MERGE_SIZE], int startnum, int endnum,
- struct extent_position *epos)
+ kernel_long_ad laarr[EXTENT_MERGE_SIZE],
+ int startnum, int endnum,
+ struct extent_position *epos)
{
int start = 0, i;
kernel_lb_addr tmploc;
uint32_t tmplen;
- if (startnum > endnum)
- {
- for (i=0; i<(startnum-endnum); i++)
+ if (startnum > endnum) {
+ for (i = 0; i < (startnum - endnum); i++)
udf_delete_aext(inode, *epos, laarr[i].extLocation,
- laarr[i].extLength);
- }
- else if (startnum < endnum)
- {
- for (i=0; i<(endnum-startnum); i++)
- {
+ laarr[i].extLength);
+ } else if (startnum < endnum) {
+ for (i = 0; i < (endnum - startnum); i++) {
udf_insert_aext(inode, *epos, laarr[i].extLocation,
- laarr[i].extLength);
+ laarr[i].extLength);
udf_next_aext(inode, epos, &laarr[i].extLocation,
- &laarr[i].extLength, 1);
- start ++;
+ &laarr[i].extLength, 1);
+ start++;
}
}
- for (i=start; i<endnum; i++)
- {
+ for (i = start; i < endnum; i++) {
udf_next_aext(inode, epos, &tmploc, &tmplen, 0);
udf_write_aext(inode, epos, laarr[i].extLocation,
- laarr[i].extLength, 1);
+ laarr[i].extLength, 1);
}
}
-struct buffer_head * udf_bread(struct inode * inode, int block,
- int create, int * err)
+struct buffer_head *udf_bread(struct inode *inode, int block,
+ int create, int *err)
{
- struct buffer_head * bh = NULL;
+ struct buffer_head *bh = NULL;
bh = udf_getblk(inode, block, create, err);
if (!bh)
@@ -977,65 +934,61 @@ struct buffer_head * udf_bread(struct inode * inode, int block,
if (buffer_uptodate(bh))
return bh;
+
ll_rw_block(READ, 1, &bh);
+
wait_on_buffer(bh);
if (buffer_uptodate(bh))
return bh;
+
brelse(bh);
*err = -EIO;
return NULL;
}
-void udf_truncate(struct inode * inode)
+void udf_truncate(struct inode *inode)
{
int offset;
int err;
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
- S_ISLNK(inode->i_mode)))
+ S_ISLNK(inode->i_mode)))
return;
if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
return;
lock_kernel();
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) +
- inode->i_size))
- {
+ inode->i_size)) {
udf_expand_file_adinicb(inode, inode->i_size, &err);
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
inode->i_size = UDF_I_LENALLOC(inode);
unlock_kernel();
return;
- }
- else
+ } else {
udf_truncate_extents(inode);
- }
- else
- {
+ }
+ } else {
offset = inode->i_size & (inode->i_sb->s_blocksize - 1);
- memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, 0x00, inode->i_sb->s_blocksize - offset - udf_file_entry_alloc_offset(inode));
+ memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset, 0x00,
+ inode->i_sb->s_blocksize - offset - udf_file_entry_alloc_offset(inode));
UDF_I_LENALLOC(inode) = inode->i_size;
}
- }
- else
- {
+ } else {
block_truncate_page(inode->i_mapping, inode->i_size, udf_get_block);
udf_truncate_extents(inode);
- }
+ }
inode->i_mtime = inode->i_ctime = current_fs_time(inode->i_sb);
if (IS_SYNC(inode))
- udf_sync_inode (inode);
+ udf_sync_inode(inode);
else
mark_inode_dirty(inode);
unlock_kernel();
}
-static void
-__udf_read_inode(struct inode *inode)
+static void __udf_read_inode(struct inode *inode)
{
struct buffer_head *bh = NULL;
struct fileEntry *fe;
@@ -1054,20 +1007,17 @@ __udf_read_inode(struct inode *inode)
* i_op = NULL;
*/
bh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 0, &ident);
-
- if (!bh)
- {
+ if (!bh) {
printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed !bh\n",
- inode->i_ino);
+ inode->i_ino);
make_bad_inode(inode);
return;
}
if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE &&
- ident != TAG_IDENT_USE)
- {
+ ident != TAG_IDENT_USE) {
printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n",
- inode->i_ino, ident);
+ inode->i_ino, ident);
brelse(bh);
make_bad_inode(inode);
return;
@@ -1075,51 +1025,43 @@ __udf_read_inode(struct inode *inode)
fe = (struct fileEntry *)bh->b_data;
- if (le16_to_cpu(fe->icbTag.strategyType) == 4096)
- {
+ if (le16_to_cpu(fe->icbTag.strategyType) == 4096) {
struct buffer_head *ibh = NULL, *nbh = NULL;
struct indirectEntry *ie;
ibh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 1, &ident);
- if (ident == TAG_IDENT_IE)
- {
- if (ibh)
- {
+ if (ident == TAG_IDENT_IE) {
+ if (ibh) {
kernel_lb_addr loc;
ie = (struct indirectEntry *)ibh->b_data;
-
+
loc = lelb_to_cpu(ie->indirectICB.extLocation);
-
- if (ie->indirectICB.extLength &&
- (nbh = udf_read_ptagged(inode->i_sb, loc, 0, &ident)))
- {
+
+ if (ie->indirectICB.extLength &&
+ (nbh = udf_read_ptagged(inode->i_sb, loc, 0, &ident))) {
if (ident == TAG_IDENT_FE ||
- ident == TAG_IDENT_EFE)
- {
- memcpy(&UDF_I_LOCATION(inode), &loc, sizeof(kernel_lb_addr));
+ ident == TAG_IDENT_EFE) {
+ memcpy(&UDF_I_LOCATION(inode), &loc,
+ sizeof(kernel_lb_addr));
brelse(bh);
brelse(ibh);
brelse(nbh);
__udf_read_inode(inode);
return;
- }
- else
- {
+ } else {
brelse(nbh);
brelse(ibh);
}
- }
- else
+ } else {
brelse(ibh);
+ }
}
- }
- else
+ } else {
brelse(ibh);
- }
- else if (le16_to_cpu(fe->icbTag.strategyType) != 4)
- {
+ }
+ } else if (le16_to_cpu(fe->icbTag.strategyType) != 4) {
printk(KERN_ERR "udf: unsupported strategy type: %d\n",
- le16_to_cpu(fe->icbTag.strategyType));
+ le16_to_cpu(fe->icbTag.strategyType));
brelse(bh);
make_bad_inode(inode);
return;
@@ -1152,87 +1094,85 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
UDF_I_LENALLOC(inode) = 0;
UDF_I_NEXT_ALLOC_BLOCK(inode) = 0;
UDF_I_NEXT_ALLOC_GOAL(inode) = 0;
- if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE)
- {
+ if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_EFE) {
UDF_I_EFE(inode) = 1;
UDF_I_USE(inode) = 0;
- UDF_I_DATA(inode) = kmalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL);
- memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct extendedFileEntry), inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
- }
- else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE)
- {
+ if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry))) {
+ make_bad_inode(inode);
+ return;
+ }
+ memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct extendedFileEntry),
+ inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
+ } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_FE) {
UDF_I_EFE(inode) = 0;
UDF_I_USE(inode) = 0;
- UDF_I_DATA(inode) = kmalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL);
- memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct fileEntry), inode->i_sb->s_blocksize - sizeof(struct fileEntry));
- }
- else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE)
- {
+ if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct fileEntry))) {
+ make_bad_inode(inode);
+ return;
+ }
+ memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct fileEntry),
+ inode->i_sb->s_blocksize - sizeof(struct fileEntry));
+ } else if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) {
UDF_I_EFE(inode) = 0;
UDF_I_USE(inode) = 1;
UDF_I_LENALLOC(inode) =
- le32_to_cpu(
- ((struct unallocSpaceEntry *)bh->b_data)->lengthAllocDescs);
- UDF_I_DATA(inode) = kmalloc(inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry), GFP_KERNEL);
- memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct unallocSpaceEntry), inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry));
+ le32_to_cpu(((struct unallocSpaceEntry *)bh->b_data)->lengthAllocDescs);
+ if (udf_alloc_i_data(inode, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry))) {
+ make_bad_inode(inode);
+ return;
+ }
+ memcpy(UDF_I_DATA(inode), bh->b_data + sizeof(struct unallocSpaceEntry),
+ inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry));
return;
}
inode->i_uid = le32_to_cpu(fe->uid);
- if (inode->i_uid == -1 || UDF_QUERY_FLAG(inode->i_sb,
- UDF_FLAG_UID_IGNORE))
+ if (inode->i_uid == -1 ||
+ UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_IGNORE) ||
+ UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_SET))
inode->i_uid = UDF_SB(inode->i_sb)->s_uid;
inode->i_gid = le32_to_cpu(fe->gid);
- if (inode->i_gid == -1 || UDF_QUERY_FLAG(inode->i_sb,
- UDF_FLAG_GID_IGNORE))
+ if (inode->i_gid == -1 ||
+ UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_IGNORE) ||
+ UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_SET))
inode->i_gid = UDF_SB(inode->i_sb)->s_gid;
inode->i_nlink = le16_to_cpu(fe->fileLinkCount);
if (!inode->i_nlink)
inode->i_nlink = 1;
-
+
inode->i_size = le64_to_cpu(fe->informationLength);
UDF_I_LENEXTENTS(inode) = inode->i_size;
inode->i_mode = udf_convert_permissions(fe);
inode->i_mode &= ~UDF_SB(inode->i_sb)->s_umask;
- if (UDF_I_EFE(inode) == 0)
- {
+ if (UDF_I_EFE(inode) == 0) {
inode->i_blocks = le64_to_cpu(fe->logicalBlocksRecorded) <<
(inode->i_sb->s_blocksize_bits - 9);
- if ( udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->accessTime)) )
- {
+ if (udf_stamp_to_time(&convtime, &convtime_usec,
+ lets_to_cpu(fe->accessTime))) {
inode->i_atime.tv_sec = convtime;
inode->i_atime.tv_nsec = convtime_usec * 1000;
- }
- else
- {
+ } else {
inode->i_atime = UDF_SB_RECORDTIME(inode->i_sb);
}
- if ( udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->modificationTime)) )
- {
+ if (udf_stamp_to_time(&convtime, &convtime_usec,
+ lets_to_cpu(fe->modificationTime))) {
inode->i_mtime.tv_sec = convtime;
inode->i_mtime.tv_nsec = convtime_usec * 1000;
- }
- else
- {
+ } else {
inode->i_mtime = UDF_SB_RECORDTIME(inode->i_sb);
}
- if ( udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(fe->attrTime)) )
- {
+ if (udf_stamp_to_time(&convtime, &convtime_usec,
+ lets_to_cpu(fe->attrTime))) {
inode->i_ctime.tv_sec = convtime;
inode->i_ctime.tv_nsec = convtime_usec * 1000;
- }
- else
- {
+ } else {
inode->i_ctime = UDF_SB_RECORDTIME(inode->i_sb);
}
@@ -1240,53 +1180,39 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
UDF_I_LENEATTR(inode) = le32_to_cpu(fe->lengthExtendedAttr);
UDF_I_LENALLOC(inode) = le32_to_cpu(fe->lengthAllocDescs);
offset = sizeof(struct fileEntry) + UDF_I_LENEATTR(inode);
- }
- else
- {
- inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
- (inode->i_sb->s_blocksize_bits - 9);
+ } else {
+ inode->i_blocks = le64_to_cpu(efe->logicalBlocksRecorded) <<
+ (inode->i_sb->s_blocksize_bits - 9);
- if ( udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->accessTime)) )
- {
+ if (udf_stamp_to_time(&convtime, &convtime_usec,
+ lets_to_cpu(efe->accessTime))) {
inode->i_atime.tv_sec = convtime;
inode->i_atime.tv_nsec = convtime_usec * 1000;
- }
- else
- {
+ } else {
inode->i_atime = UDF_SB_RECORDTIME(inode->i_sb);
}
- if ( udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->modificationTime)) )
- {
+ if (udf_stamp_to_time(&convtime, &convtime_usec,
+ lets_to_cpu(efe->modificationTime))) {
inode->i_mtime.tv_sec = convtime;
inode->i_mtime.tv_nsec = convtime_usec * 1000;
- }
- else
- {
+ } else {
inode->i_mtime = UDF_SB_RECORDTIME(inode->i_sb);
}
- if ( udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->createTime)) )
- {
+ if (udf_stamp_to_time(&convtime, &convtime_usec,
+ lets_to_cpu(efe->createTime))) {
UDF_I_CRTIME(inode).tv_sec = convtime;
UDF_I_CRTIME(inode).tv_nsec = convtime_usec * 1000;
- }
- else
- {
+ } else {
UDF_I_CRTIME(inode) = UDF_SB_RECORDTIME(inode->i_sb);
}
- if ( udf_stamp_to_time(&convtime, &convtime_usec,
- lets_to_cpu(efe->attrTime)) )
- {
+ if (udf_stamp_to_time(&convtime, &convtime_usec,
+ lets_to_cpu(efe->attrTime))) {
inode->i_ctime.tv_sec = convtime;
inode->i_ctime.tv_nsec = convtime_usec * 1000;
- }
- else
- {
+ } else {
inode->i_ctime = UDF_SB_RECORDTIME(inode->i_sb);
}
@@ -1296,86 +1222,74 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
offset = sizeof(struct extendedFileEntry) + UDF_I_LENEATTR(inode);
}
- switch (fe->icbTag.fileType)
- {
- case ICBTAG_FILE_TYPE_DIRECTORY:
- {
- inode->i_op = &udf_dir_inode_operations;
- inode->i_fop = &udf_dir_operations;
- inode->i_mode |= S_IFDIR;
- inc_nlink(inode);
- break;
- }
- case ICBTAG_FILE_TYPE_REALTIME:
- case ICBTAG_FILE_TYPE_REGULAR:
- case ICBTAG_FILE_TYPE_UNDEF:
- {
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
- inode->i_data.a_ops = &udf_adinicb_aops;
- else
- inode->i_data.a_ops = &udf_aops;
- inode->i_op = &udf_file_inode_operations;
- inode->i_fop = &udf_file_operations;
- inode->i_mode |= S_IFREG;
- break;
- }
- case ICBTAG_FILE_TYPE_BLOCK:
- {
- inode->i_mode |= S_IFBLK;
- break;
- }
- case ICBTAG_FILE_TYPE_CHAR:
- {
- inode->i_mode |= S_IFCHR;
- break;
- }
- case ICBTAG_FILE_TYPE_FIFO:
- {
- init_special_inode(inode, inode->i_mode | S_IFIFO, 0);
- break;
- }
- case ICBTAG_FILE_TYPE_SOCKET:
- {
- init_special_inode(inode, inode->i_mode | S_IFSOCK, 0);
- break;
- }
- case ICBTAG_FILE_TYPE_SYMLINK:
- {
- inode->i_data.a_ops = &udf_symlink_aops;
- inode->i_op = &page_symlink_inode_operations;
- inode->i_mode = S_IFLNK|S_IRWXUGO;
- break;
- }
- default:
- {
- printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n",
- inode->i_ino, fe->icbTag.fileType);
- make_bad_inode(inode);
- return;
- }
+ switch (fe->icbTag.fileType) {
+ case ICBTAG_FILE_TYPE_DIRECTORY:
+ inode->i_op = &udf_dir_inode_operations;
+ inode->i_fop = &udf_dir_operations;
+ inode->i_mode |= S_IFDIR;
+ inc_nlink(inode);
+ break;
+ case ICBTAG_FILE_TYPE_REALTIME:
+ case ICBTAG_FILE_TYPE_REGULAR:
+ case ICBTAG_FILE_TYPE_UNDEF:
+ if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
+ inode->i_data.a_ops = &udf_adinicb_aops;
+ else
+ inode->i_data.a_ops = &udf_aops;
+ inode->i_op = &udf_file_inode_operations;
+ inode->i_fop = &udf_file_operations;
+ inode->i_mode |= S_IFREG;
+ break;
+ case ICBTAG_FILE_TYPE_BLOCK:
+ inode->i_mode |= S_IFBLK;
+ break;
+ case ICBTAG_FILE_TYPE_CHAR:
+ inode->i_mode |= S_IFCHR;
+ break;
+ case ICBTAG_FILE_TYPE_FIFO:
+ init_special_inode(inode, inode->i_mode | S_IFIFO, 0);
+ break;
+ case ICBTAG_FILE_TYPE_SOCKET:
+ init_special_inode(inode, inode->i_mode | S_IFSOCK, 0);
+ break;
+ case ICBTAG_FILE_TYPE_SYMLINK:
+ inode->i_data.a_ops = &udf_symlink_aops;
+ inode->i_op = &page_symlink_inode_operations;
+ inode->i_mode = S_IFLNK | S_IRWXUGO;
+ break;
+ default:
+ printk(KERN_ERR "udf: udf_fill_inode(ino %ld) failed unknown file type=%d\n",
+ inode->i_ino, fe->icbTag.fileType);
+ make_bad_inode(inode);
+ return;
}
- if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
- {
- struct deviceSpec *dsea =
- (struct deviceSpec *)
- udf_get_extendedattr(inode, 12, 1);
-
- if (dsea)
- {
- init_special_inode(inode, inode->i_mode, MKDEV(
- le32_to_cpu(dsea->majorDeviceIdent),
- le32_to_cpu(dsea->minorDeviceIdent)));
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
+ struct deviceSpec *dsea = (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);
+ if (dsea) {
+ init_special_inode(inode, inode->i_mode,
+ MKDEV(le32_to_cpu(dsea->majorDeviceIdent),
+ le32_to_cpu(dsea->minorDeviceIdent)));
/* Developer ID ??? */
- }
- else
- {
+ } else {
make_bad_inode(inode);
}
}
}
-static mode_t
-udf_convert_permissions(struct fileEntry *fe)
+static int udf_alloc_i_data(struct inode *inode, size_t size)
+{
+ UDF_I_DATA(inode) = kmalloc(size, GFP_KERNEL);
+
+ if (!UDF_I_DATA(inode)) {
+ printk(KERN_ERR "udf:udf_alloc_i_data (ino %ld) no free memory\n",
+ inode->i_ino);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static mode_t udf_convert_permissions(struct fileEntry *fe)
{
mode_t mode;
uint32_t permissions;
@@ -1409,22 +1323,23 @@ udf_convert_permissions(struct fileEntry *fe)
* Written, tested, and released.
*/
-int udf_write_inode(struct inode * inode, int sync)
+int udf_write_inode(struct inode *inode, int sync)
{
int ret;
+
lock_kernel();
ret = udf_update_inode(inode, sync);
unlock_kernel();
+
return ret;
}
-int udf_sync_inode(struct inode * inode)
+int udf_sync_inode(struct inode *inode)
{
return udf_update_inode(inode, 1);
}
-static int
-udf_update_inode(struct inode *inode, int do_sync)
+static int udf_update_inode(struct inode *inode, int do_sync)
{
struct buffer_head *bh = NULL;
struct fileEntry *fe;
@@ -1436,11 +1351,8 @@ udf_update_inode(struct inode *inode, int do_sync)
kernel_timestamp cpu_time;
int err = 0;
- bh = udf_tread(inode->i_sb,
- udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), 0));
-
- if (!bh)
- {
+ bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, UDF_I_LOCATION(inode), 0));
+ if (!bh) {
udf_debug("bread failure\n");
return -EIO;
}
@@ -1450,23 +1362,23 @@ udf_update_inode(struct inode *inode, int do_sync)
fe = (struct fileEntry *)bh->b_data;
efe = (struct extendedFileEntry *)bh->b_data;
- if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE)
- {
+ if (le16_to_cpu(fe->descTag.tagIdent) == TAG_IDENT_USE) {
struct unallocSpaceEntry *use =
(struct unallocSpaceEntry *)bh->b_data;
use->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode));
- memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), UDF_I_DATA(inode), inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry));
- crclen = sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) -
- sizeof(tag);
+ memcpy(bh->b_data + sizeof(struct unallocSpaceEntry), UDF_I_DATA(inode),
+ inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry));
+ crclen = sizeof(struct unallocSpaceEntry) + UDF_I_LENALLOC(inode) - sizeof(tag);
use->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
use->descTag.descCRCLength = cpu_to_le16(crclen);
use->descTag.descCRC = cpu_to_le16(udf_crc((char *)use + sizeof(tag), crclen, 0));
use->descTag.tagChecksum = 0;
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++) {
if (i != 4)
use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i];
+ }
mark_buffer_dirty(bh);
brelse(bh);
@@ -1475,11 +1387,13 @@ udf_update_inode(struct inode *inode, int do_sync)
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET))
fe->uid = cpu_to_le32(-1);
- else fe->uid = cpu_to_le32(inode->i_uid);
+ else
+ fe->uid = cpu_to_le32(inode->i_uid);
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_FORGET))
fe->gid = cpu_to_le32(-1);
- else fe->gid = cpu_to_le32(inode->i_gid);
+ else
+ fe->gid = cpu_to_le32(inode->i_gid);
udfperms = ((inode->i_mode & S_IRWXO) ) |
((inode->i_mode & S_IRWXG) << 2) |
@@ -1498,23 +1412,19 @@ udf_update_inode(struct inode *inode, int do_sync)
fe->informationLength = cpu_to_le64(inode->i_size);
- if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
- {
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {
regid *eid;
struct deviceSpec *dsea =
- (struct deviceSpec *)
- udf_get_extendedattr(inode, 12, 1);
-
- if (!dsea)
- {
+ (struct deviceSpec *)udf_get_extendedattr(inode, 12, 1);
+ if (!dsea) {
dsea = (struct deviceSpec *)
udf_add_extendedattr(inode,
- sizeof(struct deviceSpec) +
- sizeof(regid), 12, 0x3);
+ sizeof(struct deviceSpec) +
+ sizeof(regid), 12, 0x3);
dsea->attrType = cpu_to_le32(12);
dsea->attrSubtype = 1;
dsea->attrLength = cpu_to_le32(sizeof(struct deviceSpec) +
- sizeof(regid));
+ sizeof(regid));
dsea->impUseLength = cpu_to_le32(sizeof(regid));
}
eid = (regid *)dsea->impUse;
@@ -1526,9 +1436,9 @@ udf_update_inode(struct inode *inode, int do_sync)
dsea->minorDeviceIdent = cpu_to_le32(iminor(inode));
}
- if (UDF_I_EFE(inode) == 0)
- {
- memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode), inode->i_sb->s_blocksize - sizeof(struct fileEntry));
+ if (UDF_I_EFE(inode) == 0) {
+ memcpy(bh->b_data + sizeof(struct fileEntry), UDF_I_DATA(inode),
+ inode->i_sb->s_blocksize - sizeof(struct fileEntry));
fe->logicalBlocksRecorded = cpu_to_le64(
(inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >>
(inode->i_sb->s_blocksize_bits - 9));
@@ -1548,31 +1458,27 @@ udf_update_inode(struct inode *inode, int do_sync)
fe->lengthAllocDescs = cpu_to_le32(UDF_I_LENALLOC(inode));
fe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_FE);
crclen = sizeof(struct fileEntry);
- }
- else
- {
- memcpy(bh->b_data + sizeof(struct extendedFileEntry), UDF_I_DATA(inode), inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
+ } else {
+ memcpy(bh->b_data + sizeof(struct extendedFileEntry), UDF_I_DATA(inode),
+ inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry));
efe->objectSize = cpu_to_le64(inode->i_size);
efe->logicalBlocksRecorded = cpu_to_le64(
(inode->i_blocks + (1 << (inode->i_sb->s_blocksize_bits - 9)) - 1) >>
(inode->i_sb->s_blocksize_bits - 9));
if (UDF_I_CRTIME(inode).tv_sec > inode->i_atime.tv_sec ||
- (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec &&
- UDF_I_CRTIME(inode).tv_nsec > inode->i_atime.tv_nsec))
- {
+ (UDF_I_CRTIME(inode).tv_sec == inode->i_atime.tv_sec &&
+ UDF_I_CRTIME(inode).tv_nsec > inode->i_atime.tv_nsec)) {
UDF_I_CRTIME(inode) = inode->i_atime;
}
if (UDF_I_CRTIME(inode).tv_sec > inode->i_mtime.tv_sec ||
- (UDF_I_CRTIME(inode).tv_sec == inode->i_mtime.tv_sec &&
- UDF_I_CRTIME(inode).tv_nsec > inode->i_mtime.tv_nsec))
- {
+ (UDF_I_CRTIME(inode).tv_sec == inode->i_mtime.tv_sec &&
+ UDF_I_CRTIME(inode).tv_nsec > inode->i_mtime.tv_nsec)) {
UDF_I_CRTIME(inode) = inode->i_mtime;
}
if (UDF_I_CRTIME(inode).tv_sec > inode->i_ctime.tv_sec ||
- (UDF_I_CRTIME(inode).tv_sec == inode->i_ctime.tv_sec &&
- UDF_I_CRTIME(inode).tv_nsec > inode->i_ctime.tv_nsec))
- {
+ (UDF_I_CRTIME(inode).tv_sec == inode->i_ctime.tv_sec &&
+ UDF_I_CRTIME(inode).tv_nsec > inode->i_ctime.tv_nsec)) {
UDF_I_CRTIME(inode) = inode->i_ctime;
}
@@ -1595,14 +1501,11 @@ udf_update_inode(struct inode *inode, int do_sync)
efe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EFE);
crclen = sizeof(struct extendedFileEntry);
}
- if (UDF_I_STRAT4096(inode))
- {
+ if (UDF_I_STRAT4096(inode)) {
fe->icbTag.strategyType = cpu_to_le16(4096);
fe->icbTag.strategyParameter = cpu_to_le16(1);
fe->icbTag.numEntries = cpu_to_le16(2);
- }
- else
- {
+ } else {
fe->icbTag.strategyType = cpu_to_le16(4);
fe->icbTag.numEntries = cpu_to_le16(1);
}
@@ -1642,28 +1545,27 @@ udf_update_inode(struct inode *inode, int do_sync)
fe->descTag.descCRC = cpu_to_le16(udf_crc((char *)fe + sizeof(tag), crclen, 0));
fe->descTag.tagChecksum = 0;
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++) {
if (i != 4)
fe->descTag.tagChecksum += ((uint8_t *)&(fe->descTag))[i];
+ }
/* write the data blocks */
mark_buffer_dirty(bh);
- if (do_sync)
- {
+ if (do_sync) {
sync_dirty_buffer(bh);
- if (buffer_req(bh) && !buffer_uptodate(bh))
- {
+ if (buffer_req(bh) && !buffer_uptodate(bh)) {
printk("IO error syncing udf inode [%s:%08lx]\n",
- inode->i_sb->s_id, inode->i_ino);
+ inode->i_sb->s_id, inode->i_ino);
err = -EIO;
}
}
brelse(bh);
+
return err;
}
-struct inode *
-udf_iget(struct super_block *sb, kernel_lb_addr ino)
+struct inode *udf_iget(struct super_block *sb, kernel_lb_addr ino)
{
unsigned long block = udf_get_lb_pblock(sb, ino, 0);
struct inode *inode = iget_locked(sb, block);
@@ -1682,7 +1584,7 @@ udf_iget(struct super_block *sb, kernel_lb_addr ino)
if (ino.logicalBlockNum >= UDF_SB_PARTLEN(sb, ino.partitionReferenceNum)) {
udf_debug("block=%d, partition=%d out of range\n",
- ino.logicalBlockNum, ino.partitionReferenceNum);
+ ino.logicalBlockNum, ino.partitionReferenceNum);
make_bad_inode(inode);
goto out_iput;
}
@@ -1694,8 +1596,8 @@ udf_iget(struct super_block *sb, kernel_lb_addr ino)
return NULL;
}
-int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
- kernel_lb_addr eloc, uint32_t elen, int inc)
+int8_t udf_add_aext(struct inode * inode, struct extent_position * epos,
+ kernel_lb_addr eloc, uint32_t elen, int inc)
{
int adsize;
short_ad *sad = NULL;
@@ -1716,21 +1618,19 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
else
return -1;
- if (epos->offset + (2 * adsize) > inode->i_sb->s_blocksize)
- {
+ if (epos->offset + (2 * adsize) > inode->i_sb->s_blocksize) {
char *sptr, *dptr;
struct buffer_head *nbh;
int err, loffset;
kernel_lb_addr obloc = epos->block;
if (!(epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL,
- obloc.partitionReferenceNum, obloc.logicalBlockNum, &err)))
- {
+ obloc.partitionReferenceNum,
+ obloc.logicalBlockNum, &err))) {
return -1;
}
if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb,
- epos->block, 0))))
- {
+ epos->block, 0)))) {
return -1;
}
lock_buffer(nbh);
@@ -1742,85 +1642,69 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
aed = (struct allocExtDesc *)(nbh->b_data);
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum);
- if (epos->offset + adsize > inode->i_sb->s_blocksize)
- {
+ if (epos->offset + adsize > inode->i_sb->s_blocksize) {
loffset = epos->offset;
aed->lengthAllocDescs = cpu_to_le32(adsize);
sptr = ptr - adsize;
dptr = nbh->b_data + sizeof(struct allocExtDesc);
memcpy(dptr, sptr, adsize);
epos->offset = sizeof(struct allocExtDesc) + adsize;
- }
- else
- {
+ } else {
loffset = epos->offset + adsize;
aed->lengthAllocDescs = cpu_to_le32(0);
sptr = ptr;
epos->offset = sizeof(struct allocExtDesc);
- if (epos->bh)
- {
+ if (epos->bh) {
aed = (struct allocExtDesc *)epos->bh->b_data;
aed->lengthAllocDescs =
cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
- }
- else
- {
+ } else {
UDF_I_LENALLOC(inode) += adsize;
mark_inode_dirty(inode);
}
}
if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200)
udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1,
- epos->block.logicalBlockNum, sizeof(tag));
+ epos->block.logicalBlockNum, sizeof(tag));
else
udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1,
- epos->block.logicalBlockNum, sizeof(tag));
- switch (UDF_I_ALLOCTYPE(inode))
- {
- case ICBTAG_FLAG_AD_SHORT:
- {
- sad = (short_ad *)sptr;
- sad->extLength = cpu_to_le32(
- EXT_NEXT_EXTENT_ALLOCDECS |
- inode->i_sb->s_blocksize);
- sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum);
- break;
- }
- case ICBTAG_FLAG_AD_LONG:
- {
- lad = (long_ad *)sptr;
- lad->extLength = cpu_to_le32(
- EXT_NEXT_EXTENT_ALLOCDECS |
- inode->i_sb->s_blocksize);
- lad->extLocation = cpu_to_lelb(epos->block);
- memset(lad->impUse, 0x00, sizeof(lad->impUse));
- break;
- }
+ epos->block.logicalBlockNum, sizeof(tag));
+ switch (UDF_I_ALLOCTYPE(inode)) {
+ case ICBTAG_FLAG_AD_SHORT:
+ sad = (short_ad *)sptr;
+ sad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
+ inode->i_sb->s_blocksize);
+ sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum);
+ break;
+ case ICBTAG_FLAG_AD_LONG:
+ lad = (long_ad *)sptr;
+ lad->extLength = cpu_to_le32(EXT_NEXT_EXTENT_ALLOCDECS |
+ inode->i_sb->s_blocksize);
+ lad->extLocation = cpu_to_lelb(epos->block);
+ memset(lad->impUse, 0x00, sizeof(lad->impUse));
+ break;
}
- if (epos->bh)
- {
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+ if (epos->bh) {
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
udf_update_tag(epos->bh->b_data, loffset);
else
udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos->bh, inode);
brelse(epos->bh);
- }
- else
+ } else {
mark_inode_dirty(inode);
+ }
epos->bh = nbh;
}
etype = udf_write_aext(inode, epos, eloc, elen, inc);
- if (!epos->bh)
- {
+ if (!epos->bh) {
UDF_I_LENALLOC(inode) += adsize;
mark_inode_dirty(inode);
- }
- else
- {
+ } else {
aed = (struct allocExtDesc *)epos->bh->b_data;
aed->lengthAllocDescs =
cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize);
@@ -1834,73 +1718,68 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
return etype;
}
-int8_t udf_write_aext(struct inode *inode, struct extent_position *epos,
- kernel_lb_addr eloc, uint32_t elen, int inc)
+int8_t udf_write_aext(struct inode * inode, struct extent_position * epos,
+ kernel_lb_addr eloc, uint32_t elen, int inc)
{
int adsize;
uint8_t *ptr;
+ short_ad *sad;
+ long_ad *lad;
if (!epos->bh)
ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
else
ptr = epos->bh->b_data + epos->offset;
- switch (UDF_I_ALLOCTYPE(inode))
- {
- case ICBTAG_FLAG_AD_SHORT:
- {
- short_ad *sad = (short_ad *)ptr;
- sad->extLength = cpu_to_le32(elen);
- sad->extPosition = cpu_to_le32(eloc.logicalBlockNum);
- adsize = sizeof(short_ad);
- break;
- }
- case ICBTAG_FLAG_AD_LONG:
- {
- long_ad *lad = (long_ad *)ptr;
- lad->extLength = cpu_to_le32(elen);
- lad->extLocation = cpu_to_lelb(eloc);
- memset(lad->impUse, 0x00, sizeof(lad->impUse));
- adsize = sizeof(long_ad);
- break;
- }
- default:
- return -1;
+ switch (UDF_I_ALLOCTYPE(inode)) {
+ case ICBTAG_FLAG_AD_SHORT:
+ sad = (short_ad *)ptr;
+ sad->extLength = cpu_to_le32(elen);
+ sad->extPosition = cpu_to_le32(eloc.logicalBlockNum);
+ adsize = sizeof(short_ad);
+ break;
+ case ICBTAG_FLAG_AD_LONG:
+ lad = (long_ad *)ptr;
+ lad->extLength = cpu_to_le32(elen);
+ lad->extLocation = cpu_to_lelb(eloc);
+ memset(lad->impUse, 0x00, sizeof(lad->impUse));
+ adsize = sizeof(long_ad);
+ break;
+ default:
+ return -1;
}
- if (epos->bh)
- {
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
- {
+ if (epos->bh) {
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201) {
struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data;
udf_update_tag(epos->bh->b_data,
- le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc));
+ le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc));
}
mark_buffer_dirty_inode(epos->bh, inode);
- }
- else
+ } else {
mark_inode_dirty(inode);
+ }
if (inc)
epos->offset += adsize;
+
return (elen >> 30);
}
-int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,
- kernel_lb_addr *eloc, uint32_t *elen, int inc)
+int8_t udf_next_aext(struct inode * inode, struct extent_position * epos,
+ kernel_lb_addr * eloc, uint32_t * elen, int inc)
{
int8_t etype;
while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) ==
- (EXT_NEXT_EXTENT_ALLOCDECS >> 30))
- {
+ (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
epos->block = *eloc;
epos->offset = sizeof(struct allocExtDesc);
brelse(epos->bh);
- if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0))))
- {
+ if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0)))) {
udf_debug("reading block %d failed!\n",
- udf_get_lb_pblock(inode->i_sb, epos->block, 0));
+ udf_get_lb_pblock(inode->i_sb, epos->block, 0));
return -1;
}
}
@@ -1908,68 +1787,55 @@ int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,
return etype;
}
-int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,
- kernel_lb_addr *eloc, uint32_t *elen, int inc)
+int8_t udf_current_aext(struct inode * inode, struct extent_position * epos,
+ kernel_lb_addr * eloc, uint32_t * elen, int inc)
{
int alen;
int8_t etype;
uint8_t *ptr;
+ short_ad *sad;
+ long_ad *lad;
- if (!epos->bh)
- {
+
+ if (!epos->bh) {
if (!epos->offset)
epos->offset = udf_file_entry_alloc_offset(inode);
ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode);
alen = udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode);
- }
- else
- {
+ } else {
if (!epos->offset)
epos->offset = sizeof(struct allocExtDesc);
ptr = epos->bh->b_data + epos->offset;
- alen = sizeof(struct allocExtDesc) + le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs);
+ alen = sizeof(struct allocExtDesc) +
+ le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs);
}
- switch (UDF_I_ALLOCTYPE(inode))
- {
- case ICBTAG_FLAG_AD_SHORT:
- {
- short_ad *sad;
-
- if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc)))
- return -1;
-
- etype = le32_to_cpu(sad->extLength) >> 30;
- eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
- eloc->partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
- *elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK;
- break;
- }
- case ICBTAG_FLAG_AD_LONG:
- {
- long_ad *lad;
-
- if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc)))
- return -1;
-
- etype = le32_to_cpu(lad->extLength) >> 30;
- *eloc = lelb_to_cpu(lad->extLocation);
- *elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK;
- break;
- }
- default:
- {
- udf_debug("alloc_type = %d unsupported\n", UDF_I_ALLOCTYPE(inode));
+ switch (UDF_I_ALLOCTYPE(inode)) {
+ case ICBTAG_FLAG_AD_SHORT:
+ if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc)))
return -1;
- }
+ etype = le32_to_cpu(sad->extLength) >> 30;
+ eloc->logicalBlockNum = le32_to_cpu(sad->extPosition);
+ eloc->partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
+ *elen = le32_to_cpu(sad->extLength) & UDF_EXTENT_LENGTH_MASK;
+ break;
+ case ICBTAG_FLAG_AD_LONG:
+ if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc)))
+ return -1;
+ etype = le32_to_cpu(lad->extLength) >> 30;
+ *eloc = lelb_to_cpu(lad->extLocation);
+ *elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK;
+ break;
+ default:
+ udf_debug("alloc_type = %d unsupported\n", UDF_I_ALLOCTYPE(inode));
+ return -1;
}
return etype;
}
-static int8_t
-udf_insert_aext(struct inode *inode, struct extent_position epos,
- kernel_lb_addr neloc, uint32_t nelen)
+static int8_t udf_insert_aext(struct inode *inode, struct extent_position epos,
+ kernel_lb_addr neloc, uint32_t nelen)
{
kernel_lb_addr oeloc;
uint32_t oelen;
@@ -1978,28 +1844,26 @@ udf_insert_aext(struct inode *inode, struct extent_position epos,
if (epos.bh)
get_bh(epos.bh);
- while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1)
- {
+ while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) {
udf_write_aext(inode, &epos, neloc, nelen, 1);
-
neloc = oeloc;
nelen = (etype << 30) | oelen;
}
udf_add_aext(inode, &epos, neloc, nelen, 1);
brelse(epos.bh);
+
return (nelen >> 30);
}
-int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
- kernel_lb_addr eloc, uint32_t elen)
+int8_t udf_delete_aext(struct inode * inode, struct extent_position epos,
+ kernel_lb_addr eloc, uint32_t elen)
{
struct extent_position oepos;
int adsize;
int8_t etype;
struct allocExtDesc *aed;
- if (epos.bh)
- {
+ if (epos.bh) {
get_bh(epos.bh);
get_bh(epos.bh);
}
@@ -2015,11 +1879,9 @@ int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
if (udf_next_aext(inode, &epos, &eloc, &elen, 1) == -1)
return -1;
- while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1)
- {
+ while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {
udf_write_aext(inode, &oepos, eloc, (etype << 30) | elen, 1);
- if (oepos.bh != epos.bh)
- {
+ if (oepos.bh != epos.bh) {
oepos.block = epos.block;
brelse(oepos.bh);
get_bh(epos.bh);
@@ -2030,62 +1892,57 @@ int8_t udf_delete_aext(struct inode *inode, struct extent_position epos,
memset(&eloc, 0x00, sizeof(kernel_lb_addr));
elen = 0;
- if (epos.bh != oepos.bh)
- {
+ if (epos.bh != oepos.bh) {
udf_free_blocks(inode->i_sb, inode, epos.block, 0, 1);
udf_write_aext(inode, &oepos, eloc, elen, 1);
udf_write_aext(inode, &oepos, eloc, elen, 1);
- if (!oepos.bh)
- {
+ if (!oepos.bh) {
UDF_I_LENALLOC(inode) -= (adsize * 2);
mark_inode_dirty(inode);
- }
- else
- {
+ } else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
aed->lengthAllocDescs =
- cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2*adsize));
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
- udf_update_tag(oepos.bh->b_data, oepos.offset - (2*adsize));
+ cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2 * adsize));
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+ udf_update_tag(oepos.bh->b_data, oepos.offset - (2 * adsize));
else
udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(oepos.bh, inode);
}
- }
- else
- {
+ } else {
udf_write_aext(inode, &oepos, eloc, elen, 1);
- if (!oepos.bh)
- {
+ if (!oepos.bh) {
UDF_I_LENALLOC(inode) -= adsize;
mark_inode_dirty(inode);
- }
- else
- {
+ } else {
aed = (struct allocExtDesc *)oepos.bh->b_data;
aed->lengthAllocDescs =
cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize);
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
udf_update_tag(oepos.bh->b_data, epos.offset - adsize);
else
udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(oepos.bh, inode);
}
}
-
+
brelse(epos.bh);
brelse(oepos.bh);
+
return (elen >> 30);
}
-int8_t inode_bmap(struct inode *inode, sector_t block, struct extent_position *pos,
- kernel_lb_addr *eloc, uint32_t *elen, sector_t *offset)
+int8_t inode_bmap(struct inode * inode, sector_t block,
+ struct extent_position * pos, kernel_lb_addr * eloc,
+ uint32_t * elen, sector_t * offset)
{
- loff_t lbcount = 0, bcount = (loff_t)block << inode->i_sb->s_blocksize_bits;
+ loff_t lbcount = 0, bcount =
+ (loff_t) block << inode->i_sb->s_blocksize_bits;
int8_t etype;
- if (block < 0)
- {
+ if (block < 0) {
printk(KERN_ERR "udf: inode_bmap: block < 0\n");
return -1;
}
@@ -2095,10 +1952,8 @@ int8_t inode_bmap(struct inode *inode, sector_t block, struct extent_position *p
pos->bh = NULL;
*elen = 0;
- do
- {
- if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1)
- {
+ do {
+ if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) {
*offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits;
UDF_I_LENEXTENTS(inode) = lbcount;
return -1;
@@ -2116,7 +1971,7 @@ long udf_block_map(struct inode *inode, sector_t block)
kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
- struct extent_position epos = { NULL, 0, { 0, 0}};
+ struct extent_position epos = {};
int ret;
lock_kernel();
diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c
index 084216107667..579bae71e67e 100644
--- a/fs/udf/lowlevel.c
+++ b/fs/udf/lowlevel.c
@@ -26,38 +26,33 @@
#include <linux/udf_fs.h>
#include "udf_sb.h"
-unsigned int
-udf_get_last_session(struct super_block *sb)
+unsigned int udf_get_last_session(struct super_block *sb)
{
struct cdrom_multisession ms_info;
unsigned int vol_desc_start;
struct block_device *bdev = sb->s_bdev;
int i;
- vol_desc_start=0;
- ms_info.addr_format=CDROM_LBA;
- i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long) &ms_info);
+ vol_desc_start = 0;
+ ms_info.addr_format = CDROM_LBA;
+ i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long)&ms_info);
#define WE_OBEY_THE_WRITTEN_STANDARDS 1
- if (i == 0)
- {
+ if (i == 0) {
udf_debug("XA disk: %s, vol_desc_start=%d\n",
- (ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba);
+ (ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba);
#if WE_OBEY_THE_WRITTEN_STANDARDS
if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
#endif
vol_desc_start = ms_info.addr.lba;
- }
- else
- {
+ } else {
udf_debug("CDROMMULTISESSION not supported: rc=%d\n", i);
}
return vol_desc_start;
}
-unsigned long
-udf_get_last_block(struct super_block *sb)
+unsigned long udf_get_last_block(struct super_block *sb)
{
struct block_device *bdev = sb->s_bdev;
unsigned long lblock = 0;
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index a2b2a98ce78a..15297deb5051 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -29,8 +29,7 @@
#include "udf_i.h"
#include "udf_sb.h"
-struct buffer_head *
-udf_tgetblk(struct super_block *sb, int block)
+struct buffer_head *udf_tgetblk(struct super_block *sb, int block)
{
if (UDF_QUERY_FLAG(sb, UDF_FLAG_VARCONV))
return sb_getblk(sb, udf_fixed_to_variable(block));
@@ -38,8 +37,7 @@ udf_tgetblk(struct super_block *sb, int block)
return sb_getblk(sb, block);
}
-struct buffer_head *
-udf_tread(struct super_block *sb, int block)
+struct buffer_head *udf_tread(struct super_block *sb, int block)
{
if (UDF_QUERY_FLAG(sb, UDF_FLAG_VARCONV))
return sb_bread(sb, udf_fixed_to_variable(block));
@@ -47,9 +45,8 @@ udf_tread(struct super_block *sb, int block)
return sb_bread(sb, block);
}
-struct genericFormat *
-udf_add_extendedattr(struct inode * inode, uint32_t size, uint32_t type,
- uint8_t loc)
+struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
+ uint32_t type, uint8_t loc)
{
uint8_t *ea = NULL, *ad = NULL;
int offset;
@@ -57,10 +54,9 @@ udf_add_extendedattr(struct inode * inode, uint32_t size, uint32_t type,
int i;
ea = UDF_I_DATA(inode);
- if (UDF_I_LENEATTR(inode))
+ if (UDF_I_LENEATTR(inode)) {
ad = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
- else
- {
+ } else {
ad = ea;
size += sizeof(struct extendedAttrHeaderDesc);
}
@@ -70,27 +66,21 @@ udf_add_extendedattr(struct inode * inode, uint32_t size, uint32_t type,
/* TODO - Check for FreeEASpace */
- if (loc & 0x01 && offset >= size)
- {
+ if (loc & 0x01 && offset >= size) {
struct extendedAttrHeaderDesc *eahd;
eahd = (struct extendedAttrHeaderDesc *)ea;
- if (UDF_I_LENALLOC(inode))
- {
+ if (UDF_I_LENALLOC(inode)) {
memmove(&ad[size], ad, UDF_I_LENALLOC(inode));
}
- if (UDF_I_LENEATTR(inode))
- {
+ if (UDF_I_LENEATTR(inode)) {
/* check checksum/crc */
if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD ||
- le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum)
- {
+ le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) {
return NULL;
}
- }
- else
- {
+ } else {
size -= sizeof(struct extendedAttrHeaderDesc);
UDF_I_LENEATTR(inode) += sizeof(struct extendedAttrHeaderDesc);
eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD);
@@ -105,29 +95,23 @@ udf_add_extendedattr(struct inode * inode, uint32_t size, uint32_t type,
}
offset = UDF_I_LENEATTR(inode);
- if (type < 2048)
- {
- if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode))
- {
+ if (type < 2048) {
+ if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) {
uint32_t aal = le32_to_cpu(eahd->appAttrLocation);
memmove(&ea[offset - aal + size],
&ea[aal], offset - aal);
offset -= aal;
eahd->appAttrLocation = cpu_to_le32(aal + size);
}
- if (le32_to_cpu(eahd->impAttrLocation) < UDF_I_LENEATTR(inode))
- {
+ if (le32_to_cpu(eahd->impAttrLocation) < UDF_I_LENEATTR(inode)) {
uint32_t ial = le32_to_cpu(eahd->impAttrLocation);
memmove(&ea[offset - ial + size],
&ea[ial], offset - ial);
offset -= ial;
eahd->impAttrLocation = cpu_to_le32(ial + size);
}
- }
- else if (type < 65536)
- {
- if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode))
- {
+ } else if (type < 65536) {
+ if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode)) {
uint32_t aal = le32_to_cpu(eahd->appAttrLocation);
memmove(&ea[offset - aal + size],
&ea[aal], offset - aal);
@@ -138,22 +122,23 @@ udf_add_extendedattr(struct inode * inode, uint32_t size, uint32_t type,
/* rewrite CRC + checksum of eahd */
crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag);
eahd->descTag.descCRCLength = cpu_to_le16(crclen);
- eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd + sizeof(tag), crclen, 0));
+ eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd +
+ sizeof(tag), crclen, 0));
eahd->descTag.tagChecksum = 0;
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++)
if (i != 4)
eahd->descTag.tagChecksum += ((uint8_t *)&(eahd->descTag))[i];
UDF_I_LENEATTR(inode) += size;
return (struct genericFormat *)&ea[offset];
}
- if (loc & 0x02)
- {
+ if (loc & 0x02) {
}
+
return NULL;
}
-struct genericFormat *
-udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
+struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
+ uint8_t subtype)
{
struct genericFormat *gaf;
uint8_t *ea = NULL;
@@ -161,18 +146,16 @@ udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
ea = UDF_I_DATA(inode);
- if (UDF_I_LENEATTR(inode))
- {
+ if (UDF_I_LENEATTR(inode)) {
struct extendedAttrHeaderDesc *eahd;
eahd = (struct extendedAttrHeaderDesc *)ea;
/* check checksum/crc */
if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD ||
- le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum)
- {
+ le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum) {
return NULL;
}
-
+
if (type < 2048)
offset = sizeof(struct extendedAttrHeaderDesc);
else if (type < 65536)
@@ -180,8 +163,7 @@ udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
else
offset = le32_to_cpu(eahd->appAttrLocation);
- while (offset < UDF_I_LENEATTR(inode))
- {
+ while (offset < UDF_I_LENEATTR(inode)) {
gaf = (struct genericFormat *)&ea[offset];
if (le32_to_cpu(gaf->attrType) == type && gaf->attrSubtype == subtype)
return gaf;
@@ -189,6 +171,7 @@ udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
offset += le32_to_cpu(gaf->attrLength);
}
}
+
return NULL;
}
@@ -202,8 +185,8 @@ udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
-struct buffer_head *
-udf_read_tagged(struct super_block *sb, uint32_t block, uint32_t location, uint16_t *ident)
+struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
+ uint32_t location, uint16_t * ident)
{
tag *tag_p;
struct buffer_head *bh = NULL;
@@ -215,9 +198,9 @@ udf_read_tagged(struct super_block *sb, uint32_t block, uint32_t location, uint1
return NULL;
bh = udf_tread(sb, block + UDF_SB_SESSION(sb));
- if (!bh)
- {
- udf_debug("block=%d, location=%d: read failed\n", block + UDF_SB_SESSION(sb), location);
+ if (!bh) {
+ udf_debug("block=%d, location=%d: read failed\n",
+ block + UDF_SB_SESSION(sb), location);
return NULL;
}
@@ -225,13 +208,12 @@ udf_read_tagged(struct super_block *sb, uint32_t block, uint32_t location, uint1
*ident = le16_to_cpu(tag_p->tagIdent);
- if ( location != le32_to_cpu(tag_p->tagLocation) )
- {
+ if (location != le32_to_cpu(tag_p->tagLocation)) {
udf_debug("location mismatch block %u, tag %u != %u\n",
- block + UDF_SB_SESSION(sb), le32_to_cpu(tag_p->tagLocation), location);
+ block + UDF_SB_SESSION(sb), le32_to_cpu(tag_p->tagLocation), location);
goto error_out;
}
-
+
/* Verify the tag checksum */
checksum = 0U;
for (i = 0; i < 4; i++)
@@ -245,33 +227,32 @@ udf_read_tagged(struct super_block *sb, uint32_t block, uint32_t location, uint1
/* Verify the tag version */
if (le16_to_cpu(tag_p->descVersion) != 0x0002U &&
- le16_to_cpu(tag_p->descVersion) != 0x0003U)
- {
+ le16_to_cpu(tag_p->descVersion) != 0x0003U) {
udf_debug("tag version 0x%04x != 0x0002 || 0x0003 block %d\n",
- le16_to_cpu(tag_p->descVersion), block);
+ le16_to_cpu(tag_p->descVersion), block);
goto error_out;
}
/* Verify the descriptor CRC */
if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize ||
- le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag),
- le16_to_cpu(tag_p->descCRCLength), 0))
- {
+ le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag),
+ le16_to_cpu(tag_p->descCRCLength), 0)) {
return bh;
}
udf_debug("Crc failure block %d: crc = %d, crclen = %d\n",
- block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC), le16_to_cpu(tag_p->descCRCLength));
+ block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC),
+ le16_to_cpu(tag_p->descCRCLength));
error_out:
brelse(bh);
return NULL;
}
-struct buffer_head *
-udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc, uint32_t offset, uint16_t *ident)
+struct buffer_head *udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc,
+ uint32_t offset, uint16_t * ident)
{
return udf_read_tagged(sb, udf_get_lb_pblock(sb, loc, offset),
- loc.logicalBlockNum + offset, ident);
+ loc.logicalBlockNum + offset, ident);
}
void udf_update_tag(char *data, int length)
@@ -285,13 +266,13 @@ void udf_update_tag(char *data, int length)
tptr->descCRCLength = cpu_to_le16(length);
tptr->descCRC = cpu_to_le16(udf_crc(data + sizeof(tag), length, 0));
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++)
if (i != 4)
tptr->tagChecksum += (uint8_t)(data[i]);
}
void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum,
- uint32_t loc, int length)
+ uint32_t loc, int length)
{
tag *tptr = (tag *)data;
tptr->tagIdent = cpu_to_le16(ident);
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 51fe307dc0ec..bec96a6b3343 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -32,16 +32,18 @@
#include <linux/buffer_head.h>
#include <linux/sched.h>
-static inline int udf_match(int len1, const char *name1, int len2, const char *name2)
+static inline int udf_match(int len1, const char *name1, int len2,
+ const char *name2)
{
if (len1 != len2)
return 0;
+
return !memcmp(name1, name2, len1);
}
int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
- struct fileIdentDesc *sfi, struct udf_fileident_bh *fibh,
- uint8_t *impuse, uint8_t *fileident)
+ struct fileIdentDesc *sfi, struct udf_fileident_bh *fibh,
+ uint8_t * impuse, uint8_t * fileident)
{
uint16_t crclen = fibh->eoffset - fibh->soffset - sizeof(tag);
uint16_t crc;
@@ -59,14 +61,12 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
offset = fibh->soffset + sizeof(struct fileIdentDesc);
- if (impuse)
- {
- if (adinicb || (offset + liu < 0))
+ if (impuse) {
+ if (adinicb || (offset + liu < 0)) {
memcpy((uint8_t *)sfi->impUse, impuse, liu);
- else if (offset >= 0)
+ } else if (offset >= 0) {
memcpy(fibh->ebh->b_data + offset, impuse, liu);
- else
- {
+ } else {
memcpy((uint8_t *)sfi->impUse, impuse, -offset);
memcpy(fibh->ebh->b_data, impuse - offset, liu + offset);
}
@@ -74,14 +74,12 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
offset += liu;
- if (fileident)
- {
- if (adinicb || (offset + lfi < 0))
+ if (fileident) {
+ if (adinicb || (offset + lfi < 0)) {
memcpy((uint8_t *)sfi->fileIdent + liu, fileident, lfi);
- else if (offset >= 0)
+ } else if (offset >= 0) {
memcpy(fibh->ebh->b_data + offset, fileident, lfi);
- else
- {
+ } else {
memcpy((uint8_t *)sfi->fileIdent + liu, fileident, -offset);
memcpy(fibh->ebh->b_data, fileident - offset, lfi + offset);
}
@@ -89,53 +87,50 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
offset += lfi;
- if (adinicb || (offset + padlen < 0))
+ if (adinicb || (offset + padlen < 0)) {
memset((uint8_t *)sfi->padding + liu + lfi, 0x00, padlen);
- else if (offset >= 0)
+ } else if (offset >= 0) {
memset(fibh->ebh->b_data + offset, 0x00, padlen);
- else
- {
+ } else {
memset((uint8_t *)sfi->padding + liu + lfi, 0x00, -offset);
memset(fibh->ebh->b_data, 0x00, padlen + offset);
}
- crc = udf_crc((uint8_t *)cfi + sizeof(tag), sizeof(struct fileIdentDesc) -
- sizeof(tag), 0);
+ crc = udf_crc((uint8_t *)cfi + sizeof(tag),
+ sizeof(struct fileIdentDesc) - sizeof(tag), 0);
- if (fibh->sbh == fibh->ebh)
+ if (fibh->sbh == fibh->ebh) {
crc = udf_crc((uint8_t *)sfi->impUse,
- crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
- else if (sizeof(struct fileIdentDesc) >= -fibh->soffset)
+ crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
+ } else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) {
crc = udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + fibh->soffset,
- crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
- else
- {
+ crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
+ } else {
crc = udf_crc((uint8_t *)sfi->impUse,
- -fibh->soffset - sizeof(struct fileIdentDesc), crc);
+ -fibh->soffset - sizeof(struct fileIdentDesc), crc);
crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc);
}
cfi->descTag.descCRC = cpu_to_le16(crc);
cfi->descTag.descCRCLength = cpu_to_le16(crclen);
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++) {
if (i != 4)
checksum += ((uint8_t *)&cfi->descTag)[i];
+ }
cfi->descTag.tagChecksum = checksum;
- if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset))
+ if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) {
memcpy((uint8_t *)sfi, (uint8_t *)cfi, sizeof(struct fileIdentDesc));
- else
- {
+ } else {
memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset);
memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset,
- sizeof(struct fileIdentDesc) + fibh->soffset);
+ sizeof(struct fileIdentDesc) + fibh->soffset);
}
- if (adinicb)
+ if (adinicb) {
mark_inode_dirty(inode);
- else
- {
+ } else {
if (fibh->sbh != fibh->ebh)
mark_buffer_dirty_inode(fibh->ebh, inode);
mark_buffer_dirty_inode(fibh->sbh, inode);
@@ -143,12 +138,12 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
return 0;
}
-static struct fileIdentDesc *
-udf_find_entry(struct inode *dir, struct dentry *dentry,
- struct udf_fileident_bh *fibh,
- struct fileIdentDesc *cfi)
+static struct fileIdentDesc *udf_find_entry(struct inode *dir,
+ struct dentry *dentry,
+ struct udf_fileident_bh *fibh,
+ struct fileIdentDesc *cfi)
{
- struct fileIdentDesc *fi=NULL;
+ struct fileIdentDesc *fi = NULL;
loff_t f_pos;
int block, flen;
char fname[UDF_NAME_LEN];
@@ -159,46 +154,39 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
- struct extent_position epos = { NULL, 0, { 0, 0}};
+ struct extent_position epos = {};
size = (udf_ext0_offset(dir) + dir->i_size) >> 2;
f_pos = (udf_ext0_offset(dir) >> 2);
fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
fibh->sbh = fibh->ebh = NULL;
- else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
- &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
- {
+ } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
+ &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
- if ((++offset << dir->i_sb->s_blocksize_bits) < elen)
- {
+ if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(long_ad);
- }
- else
+ } else {
offset = 0;
+ }
- if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
- {
+ if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) {
brelse(epos.bh);
return NULL;
}
- }
- else
- {
+ } else {
brelse(epos.bh);
return NULL;
}
- while ( (f_pos < size) )
- {
- fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset);
-
- if (!fi)
- {
+ while ((f_pos < size)) {
+ fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,
+ &elen, &offset);
+ if (!fi) {
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
brelse(fibh->sbh);
@@ -209,54 +197,48 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
liu = le16_to_cpu(cfi->lengthOfImpUse);
lfi = cfi->lengthFileIdent;
- if (fibh->sbh == fibh->ebh)
- {
+ if (fibh->sbh == fibh->ebh) {
nameptr = fi->fileIdent + liu;
- }
- else
- {
+ } else {
int poffset; /* Unpaded ending offset */
poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi;
- if (poffset >= lfi)
+ if (poffset >= lfi) {
nameptr = (uint8_t *)(fibh->ebh->b_data + poffset - lfi);
- else
- {
+ } else {
nameptr = fname;
memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset);
}
}
- if ( (cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0 )
- {
- if ( !UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE) )
+ if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
+ if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE))
continue;
}
-
- if ( (cfi->fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0 )
- {
- if ( !UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE) )
+
+ if ((cfi->fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0) {
+ if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE))
continue;
}
if (!lfi)
continue;
- if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)))
- {
- if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name))
- {
+ if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) {
+ if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) {
brelse(epos.bh);
return fi;
}
}
}
+
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
brelse(fibh->sbh);
brelse(epos.bh);
+
return NULL;
}
@@ -293,25 +275,27 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
* Written, tested, and released.
*/
-static struct dentry *
-udf_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
+static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
+ struct nameidata *nd)
{
struct inode *inode = NULL;
struct fileIdentDesc cfi;
struct udf_fileident_bh fibh;
- if (dentry->d_name.len > UDF_NAME_LEN-2)
+ if (dentry->d_name.len > UDF_NAME_LEN - 2)
return ERR_PTR(-ENAMETOOLONG);
lock_kernel();
#ifdef UDF_RECOVERY
/* temporary shorthand for specifying files by inode number */
- if (!strncmp(dentry->d_name.name, ".B=", 3) )
- {
- kernel_lb_addr lb = { 0, simple_strtoul(dentry->d_name.name+3, NULL, 0) };
+ if (!strncmp(dentry->d_name.name, ".B=", 3)) {
+ kernel_lb_addr lb = {
+ .logicalBlockNum = 0,
+ .partitionReferenceNum = simple_strtoul(dentry->d_name.name + 3,
+ NULL, 0),
+ };
inode = udf_iget(dir->i_sb, lb);
- if (!inode)
- {
+ if (!inode) {
unlock_kernel();
return ERR_PTR(-EACCES);
}
@@ -319,31 +303,30 @@ udf_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
else
#endif /* UDF_RECOVERY */
- if (udf_find_entry(dir, dentry, &fibh, &cfi))
- {
+ if (udf_find_entry(dir, dentry, &fibh, &cfi)) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
inode = udf_iget(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation));
- if ( !inode )
- {
+ if (!inode) {
unlock_kernel();
return ERR_PTR(-EACCES);
}
}
unlock_kernel();
d_add(dentry, inode);
+
return NULL;
}
-static struct fileIdentDesc *
-udf_add_entry(struct inode *dir, struct dentry *dentry,
- struct udf_fileident_bh *fibh,
- struct fileIdentDesc *cfi, int *err)
+static struct fileIdentDesc *udf_add_entry(struct inode *dir,
+ struct dentry *dentry,
+ struct udf_fileident_bh *fibh,
+ struct fileIdentDesc *cfi, int *err)
{
struct super_block *sb;
- struct fileIdentDesc *fi=NULL;
+ struct fileIdentDesc *fi = NULL;
char name[UDF_NAME_LEN], fname[UDF_NAME_LEN];
int namelen;
loff_t f_pos;
@@ -357,50 +340,44 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
- struct extent_position epos = { NULL, 0, { 0, 0 }};
+ struct extent_position epos = {};
sb = dir->i_sb;
- if (dentry)
- {
- if (!dentry->d_name.len)
- {
+ if (dentry) {
+ if (!dentry->d_name.len) {
*err = -EINVAL;
return NULL;
}
-
- if ( !(namelen = udf_put_filename(sb, dentry->d_name.name, name, dentry->d_name.len)))
- {
+ if (!(namelen = udf_put_filename(sb, dentry->d_name.name, name,
+ dentry->d_name.len))) {
*err = -ENAMETOOLONG;
return NULL;
}
- }
- else
+ } else {
namelen = 0;
+ }
nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3;
f_pos = (udf_ext0_offset(dir) >> 2);
fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
fibh->sbh = fibh->ebh = NULL;
- else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
- &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
- {
+ } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
+ &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
- if ((++offset << dir->i_sb->s_blocksize_bits) < elen)
- {
+ if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(long_ad);
- }
- else
+ } else {
offset = 0;
+ }
- if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
- {
+ if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) {
brelse(epos.bh);
*err = -EIO;
return NULL;
@@ -408,21 +385,18 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
block = UDF_I_LOCATION(dir).logicalBlockNum;
- }
- else
- {
+ } else {
block = udf_get_lb_pblock(dir->i_sb, UDF_I_LOCATION(dir), 0);
fibh->sbh = fibh->ebh = NULL;
fibh->soffset = fibh->eoffset = sb->s_blocksize;
goto add;
}
- while ( (f_pos < size) )
- {
- fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset);
+ while ((f_pos < size)) {
+ fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,
+ &elen, &offset);
- if (!fi)
- {
+ if (!fi) {
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
brelse(fibh->sbh);
@@ -434,38 +408,33 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
liu = le16_to_cpu(cfi->lengthOfImpUse);
lfi = cfi->lengthFileIdent;
- if (fibh->sbh == fibh->ebh)
+ if (fibh->sbh == fibh->ebh) {
nameptr = fi->fileIdent + liu;
- else
- {
+ } else {
int poffset; /* Unpaded ending offset */
poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi;
- if (poffset >= lfi)
+ if (poffset >= lfi) {
nameptr = (char *)(fibh->ebh->b_data + poffset - lfi);
- else
- {
+ } else {
nameptr = fname;
memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset);
}
}
- if ( (cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0 )
- {
- if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen)
- {
+ if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
+ if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) {
brelse(epos.bh);
cfi->descTag.tagSerialNum = cpu_to_le16(1);
cfi->fileVersionNum = cpu_to_le16(1);
cfi->fileCharacteristics = 0;
cfi->lengthFileIdent = namelen;
cfi->lengthOfImpUse = cpu_to_le16(0);
- if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name))
+ if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) {
return fi;
- else
- {
+ } else {
*err = -EIO;
return NULL;
}
@@ -476,8 +445,7 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
continue;
if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) &&
- udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name))
- {
+ udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) {
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
brelse(fibh->sbh);
@@ -491,8 +459,7 @@ add:
f_pos += nfidlen;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB &&
- sb->s_blocksize - fibh->eoffset < nfidlen)
- {
+ sb->s_blocksize - fibh->eoffset < nfidlen) {
brelse(epos.bh);
epos.bh = NULL;
fibh->soffset -= udf_ext0_offset(dir);
@@ -514,65 +481,54 @@ add:
epos.offset += sizeof(long_ad);
}
- if (sb->s_blocksize - fibh->eoffset >= nfidlen)
- {
+ if (sb->s_blocksize - fibh->eoffset >= nfidlen) {
fibh->soffset = fibh->eoffset;
fibh->eoffset += nfidlen;
- if (fibh->sbh != fibh->ebh)
- {
+ if (fibh->sbh != fibh->ebh) {
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
block = UDF_I_LOCATION(dir).logicalBlockNum;
- fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + fibh->soffset - udf_ext0_offset(dir) + UDF_I_LENEATTR(dir));
- }
- else
- {
+ fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + fibh->soffset -
+ udf_ext0_offset(dir) +
+ UDF_I_LENEATTR(dir));
+ } else {
block = eloc.logicalBlockNum + ((elen - 1) >>
- dir->i_sb->s_blocksize_bits);
+ dir->i_sb->s_blocksize_bits);
fi = (struct fileIdentDesc *)(fibh->sbh->b_data + fibh->soffset);
}
- }
- else
- {
+ } else {
fibh->soffset = fibh->eoffset - sb->s_blocksize;
fibh->eoffset += nfidlen - sb->s_blocksize;
- if (fibh->sbh != fibh->ebh)
- {
+ if (fibh->sbh != fibh->ebh) {
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
block = eloc.logicalBlockNum + ((elen - 1) >>
- dir->i_sb->s_blocksize_bits);
-
- if (!(fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err)))
- {
+ dir->i_sb->s_blocksize_bits);
+ fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err);
+ if (!fibh->ebh) {
brelse(epos.bh);
brelse(fibh->sbh);
return NULL;
}
- if (!(fibh->soffset))
- {
+ if (!fibh->soffset) {
if (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==
- (EXT_RECORDED_ALLOCATED >> 30))
- {
+ (EXT_RECORDED_ALLOCATED >> 30)) {
block = eloc.logicalBlockNum + ((elen - 1) >>
dir->i_sb->s_blocksize_bits);
+ } else {
+ block++;
}
- else
- block ++;
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
fi = (struct fileIdentDesc *)(fibh->sbh->b_data);
- }
- else
- {
+ } else {
fi = (struct fileIdentDesc *)
(fibh->sbh->b_data + sb->s_blocksize + fibh->soffset);
}
@@ -586,17 +542,14 @@ add:
cfi->fileVersionNum = cpu_to_le16(1);
cfi->lengthFileIdent = namelen;
cfi->lengthOfImpUse = cpu_to_le16(0);
- if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name))
- {
+ if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) {
brelse(epos.bh);
dir->i_size += nfidlen;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
UDF_I_LENALLOC(dir) += nfidlen;
mark_inode_dirty(dir);
return fi;
- }
- else
- {
+ } else {
brelse(epos.bh);
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
@@ -607,15 +560,19 @@ add:
}
static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi,
- struct udf_fileident_bh *fibh, struct fileIdentDesc *cfi)
+ struct udf_fileident_bh *fibh,
+ struct fileIdentDesc *cfi)
{
cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED;
+
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
memset(&(cfi->icb), 0x00, sizeof(long_ad));
+
return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL);
}
-static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd)
+static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
+ struct nameidata *nd)
{
struct udf_fileident_bh fibh;
struct inode *inode;
@@ -624,8 +581,7 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct
lock_kernel();
inode = udf_new_inode(dir, mode, &err);
- if (!inode)
- {
+ if (!inode) {
unlock_kernel();
return err;
}
@@ -639,9 +595,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct
inode->i_mode = mode;
mark_inode_dirty(inode);
- if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err)))
- {
- inode->i_nlink --;
+ if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
+ inode->i_nlink--;
mark_inode_dirty(inode);
iput(inode);
unlock_kernel();
@@ -652,8 +607,7 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct
*(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(dir);
}
if (fibh.sbh != fibh.ebh)
@@ -661,12 +615,14 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct
brelse(fibh.sbh);
unlock_kernel();
d_instantiate(dentry, inode);
+
return 0;
}
-static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t rdev)
+static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
+ dev_t rdev)
{
- struct inode * inode;
+ struct inode *inode;
struct udf_fileident_bh fibh;
struct fileIdentDesc cfi, *fi;
int err;
@@ -682,9 +638,8 @@ static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t
inode->i_uid = current->fsuid;
init_special_inode(inode, mode, rdev);
- if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err)))
- {
- inode->i_nlink --;
+ if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
+ inode->i_nlink--;
mark_inode_dirty(inode);
iput(inode);
unlock_kernel();
@@ -695,8 +650,7 @@ static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t
*(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(dir);
}
mark_inode_dirty(inode);
@@ -706,21 +660,22 @@ static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t
brelse(fibh.sbh);
d_instantiate(dentry, inode);
err = 0;
+
out:
unlock_kernel();
return err;
}
-static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
+static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
- struct inode * inode;
+ struct inode *inode;
struct udf_fileident_bh fibh;
struct fileIdentDesc cfi, *fi;
int err;
lock_kernel();
err = -EMLINK;
- if (dir->i_nlink >= (256<<sizeof(dir->i_nlink))-1)
+ if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1)
goto out;
err = -EIO;
@@ -730,8 +685,7 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
inode->i_op = &udf_dir_inode_operations;
inode->i_fop = &udf_dir_operations;
- if (!(fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err)))
- {
+ if (!(fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err))) {
inode->i_nlink--;
mark_inode_dirty(inode);
iput(inode);
@@ -750,8 +704,7 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
inode->i_mode |= S_ISGID;
mark_inode_dirty(inode);
- if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err)))
- {
+ if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
inode->i_nlink = 0;
mark_inode_dirty(inode);
iput(inode);
@@ -770,6 +723,7 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
brelse(fibh.ebh);
brelse(fibh.sbh);
err = 0;
+
out:
unlock_kernel();
return err;
@@ -785,47 +739,39 @@ static int empty_dir(struct inode *dir)
kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
- struct extent_position epos = { NULL, 0, { 0, 0}};
+ struct extent_position epos = {};
f_pos = (udf_ext0_offset(dir) >> 2);
fibh.soffset = fibh.eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
fibh.sbh = fibh.ebh = NULL;
- else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
- &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
- {
+ } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
+ &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
- if ((++offset << dir->i_sb->s_blocksize_bits) < elen)
- {
+ if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(long_ad);
- }
- else
+ } else {
offset = 0;
+ }
- if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block)))
- {
+ if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) {
brelse(epos.bh);
return 0;
}
- }
- else
- {
+ } else {
brelse(epos.bh);
return 0;
}
-
- while ( (f_pos < size) )
- {
- fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset);
-
- if (!fi)
- {
+ while ((f_pos < size)) {
+ fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc,
+ &elen, &offset);
+ if (!fi) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
@@ -833,8 +779,8 @@ static int empty_dir(struct inode *dir)
return 0;
}
- if (cfi.lengthFileIdent && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0)
- {
+ if (cfi.lengthFileIdent &&
+ (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
@@ -842,17 +788,19 @@ static int empty_dir(struct inode *dir)
return 0;
}
}
+
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
brelse(epos.bh);
+
return 1;
}
-static int udf_rmdir(struct inode * dir, struct dentry * dentry)
+static int udf_rmdir(struct inode *dir, struct dentry *dentry)
{
int retval;
- struct inode * inode = dentry->d_inode;
+ struct inode *inode = dentry->d_inode;
struct udf_fileident_bh fibh;
struct fileIdentDesc *fi, cfi;
kernel_lb_addr tloc;
@@ -875,8 +823,8 @@ static int udf_rmdir(struct inode * dir, struct dentry * dentry)
goto end_rmdir;
if (inode->i_nlink != 2)
udf_warning(inode->i_sb, "udf_rmdir",
- "empty directory has nlink != 2 (%d)",
- inode->i_nlink);
+ "empty directory has nlink != 2 (%d)",
+ inode->i_nlink);
clear_nlink(inode);
inode->i_size = 0;
inode_dec_link_count(dir);
@@ -887,15 +835,16 @@ end_rmdir:
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
+
out:
unlock_kernel();
return retval;
}
-static int udf_unlink(struct inode * dir, struct dentry * dentry)
+static int udf_unlink(struct inode *dir, struct dentry *dentry)
{
int retval;
- struct inode * inode = dentry->d_inode;
+ struct inode *inode = dentry->d_inode;
struct udf_fileident_bh fibh;
struct fileIdentDesc *fi;
struct fileIdentDesc cfi;
@@ -912,10 +861,9 @@ static int udf_unlink(struct inode * dir, struct dentry * dentry)
if (udf_get_lb_pblock(dir->i_sb, tloc, 0) != inode->i_ino)
goto end_unlink;
- if (!inode->i_nlink)
- {
+ if (!inode->i_nlink) {
udf_debug("Deleting nonexistent file (%lu), %d\n",
- inode->i_ino, inode->i_nlink);
+ inode->i_ino, inode->i_nlink);
inode->i_nlink = 1;
}
retval = udf_delete_entry(dir, fi, &fibh, &cfi);
@@ -931,18 +879,20 @@ end_unlink:
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
+
out:
unlock_kernel();
return retval;
}
-static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * symname)
+static int udf_symlink(struct inode *dir, struct dentry *dentry,
+ const char *symname)
{
- struct inode * inode;
+ struct inode *inode;
struct pathComponent *pc;
char *compstart;
struct udf_fileident_bh fibh;
- struct extent_position epos = { NULL, 0, {0, 0}};
+ struct extent_position epos = {};
int eoffset, elen = 0;
struct fileIdentDesc *fi;
struct fileIdentDesc cfi;
@@ -960,14 +910,13 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
inode->i_data.a_ops = &udf_symlink_aops;
inode->i_op = &page_symlink_inode_operations;
- if (UDF_I_ALLOCTYPE(inode) != ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(inode) != ICBTAG_FLAG_AD_IN_ICB) {
kernel_lb_addr eloc;
uint32_t elen;
block = udf_new_block(inode->i_sb, inode,
- UDF_I_LOCATION(inode).partitionReferenceNum,
- UDF_I_LOCATION(inode).logicalBlockNum, &err);
+ UDF_I_LOCATION(inode).partitionReferenceNum,
+ UDF_I_LOCATION(inode).logicalBlockNum, &err);
if (!block)
goto out_no_entry;
epos.block = UDF_I_LOCATION(inode);
@@ -981,7 +930,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
brelse(epos.bh);
block = udf_get_pblock(inode->i_sb, block,
- UDF_I_LOCATION(inode).partitionReferenceNum, 0);
+ UDF_I_LOCATION(inode).partitionReferenceNum, 0);
epos.bh = udf_tread(inode->i_sb, block);
lock_buffer(epos.bh);
memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize);
@@ -989,17 +938,15 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
unlock_buffer(epos.bh);
mark_buffer_dirty_inode(epos.bh, inode);
ea = epos.bh->b_data + udf_ext0_offset(inode);
- }
- else
+ } else {
ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
+ }
eoffset = inode->i_sb->s_blocksize - udf_ext0_offset(inode);
pc = (struct pathComponent *)ea;
- if (*symname == '/')
- {
- do
- {
+ if (*symname == '/') {
+ do {
symname++;
} while (*symname == '/');
@@ -1012,8 +959,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
err = -ENAMETOOLONG;
- while (*symname)
- {
+ while (*symname) {
if (elen + sizeof(struct pathComponent) > eoffset)
goto out_no_entry;
@@ -1021,25 +967,24 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
compstart = (char *)symname;
- do
- {
+ do {
symname++;
} while (*symname && *symname != '/');
pc->componentType = 5;
pc->lengthComponentIdent = 0;
pc->componentFileVersionNum = 0;
- if (compstart[0] == '.')
- {
- if ((symname-compstart) == 1)
+ if (compstart[0] == '.') {
+ if ((symname - compstart) == 1)
pc->componentType = 4;
- else if ((symname-compstart) == 2 && compstart[1] == '.')
+ else if ((symname - compstart) == 2 && compstart[1] == '.')
pc->componentType = 3;
}
- if (pc->componentType == 5)
- {
- if ( !(namelen = udf_put_filename(inode->i_sb, compstart, name, symname-compstart)))
+ if (pc->componentType == 5) {
+ namelen = udf_put_filename(inode->i_sb, compstart, name,
+ symname - compstart);
+ if (!namelen)
goto out_no_entry;
if (elen + sizeof(struct pathComponent) + namelen > eoffset)
@@ -1052,10 +997,8 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
elen += sizeof(struct pathComponent) + pc->lengthComponentIdent;
- if (*symname)
- {
- do
- {
+ if (*symname) {
+ do {
symname++;
} while (*symname == '/');
}
@@ -1071,8 +1014,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
goto out_no_entry;
cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
- if (UDF_SB_LVIDBH(inode->i_sb))
- {
+ if (UDF_SB_LVIDBH(inode->i_sb)) {
struct logicalVolHeaderDesc *lvhd;
uint64_t uniqueID;
lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
@@ -1085,8 +1027,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
mark_buffer_dirty(UDF_SB_LVIDBH(inode->i_sb));
}
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(dir);
}
if (fibh.sbh != fibh.ebh)
@@ -1105,8 +1046,8 @@ out_no_entry:
goto out;
}
-static int udf_link(struct dentry * old_dentry, struct inode * dir,
- struct dentry *dentry)
+static int udf_link(struct dentry *old_dentry, struct inode *dir,
+ struct dentry *dentry)
{
struct inode *inode = old_dentry->d_inode;
struct udf_fileident_bh fibh;
@@ -1114,21 +1055,18 @@ static int udf_link(struct dentry * old_dentry, struct inode * dir,
int err;
lock_kernel();
- if (inode->i_nlink >= (256<<sizeof(inode->i_nlink))-1)
- {
+ if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) {
unlock_kernel();
return -EMLINK;
}
- if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err)))
- {
+ if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
unlock_kernel();
return err;
}
cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
- if (UDF_SB_LVIDBH(inode->i_sb))
- {
+ if (UDF_SB_LVIDBH(inode->i_sb)) {
struct logicalVolHeaderDesc *lvhd;
uint64_t uniqueID;
lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
@@ -1141,10 +1079,10 @@ static int udf_link(struct dentry * old_dentry, struct inode * dir,
mark_buffer_dirty(UDF_SB_LVIDBH(inode->i_sb));
}
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(dir);
}
+
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
@@ -1154,17 +1092,18 @@ static int udf_link(struct dentry * old_dentry, struct inode * dir,
atomic_inc(&inode->i_count);
d_instantiate(dentry, inode);
unlock_kernel();
+
return 0;
}
/* Anybody can rename anything with this: the permission checks are left to the
* higher-level routines.
*/
-static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
- struct inode * new_dir, struct dentry * new_dentry)
+static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry)
{
- struct inode * old_inode = old_dentry->d_inode;
- struct inode * new_inode = new_dentry->d_inode;
+ struct inode *old_inode = old_dentry->d_inode;
+ struct inode *new_inode = new_dentry->d_inode;
struct udf_fileident_bh ofibh, nfibh;
struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL, ocfi, ncfi;
struct buffer_head *dir_bh = NULL;
@@ -1172,49 +1111,41 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
kernel_lb_addr tloc;
lock_kernel();
- if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi)))
- {
+ if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi))) {
if (ofibh.sbh != ofibh.ebh)
brelse(ofibh.ebh);
brelse(ofibh.sbh);
}
tloc = lelb_to_cpu(ocfi.icb.extLocation);
if (!ofi || udf_get_lb_pblock(old_dir->i_sb, tloc, 0)
- != old_inode->i_ino)
+ != old_inode->i_ino)
goto end_rename;
nfi = udf_find_entry(new_dir, new_dentry, &nfibh, &ncfi);
- if (nfi)
- {
- if (!new_inode)
- {
+ if (nfi) {
+ if (!new_inode) {
if (nfibh.sbh != nfibh.ebh)
brelse(nfibh.ebh);
brelse(nfibh.sbh);
nfi = NULL;
}
}
- if (S_ISDIR(old_inode->i_mode))
- {
+ if (S_ISDIR(old_inode->i_mode)) {
uint32_t offset = udf_ext0_offset(old_inode);
- if (new_inode)
- {
+ if (new_inode) {
retval = -ENOTEMPTY;
if (!empty_dir(new_inode))
goto end_rename;
}
retval = -EIO;
- if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) -
- (UDF_I_EFE(old_inode) ?
- sizeof(struct extendedFileEntry) :
- sizeof(struct fileEntry)),
- old_inode->i_sb->s_blocksize, &offset);
- }
- else
- {
+ (UDF_I_EFE(old_inode) ?
+ sizeof(struct extendedFileEntry) :
+ sizeof(struct fileEntry)),
+ old_inode->i_sb->s_blocksize, &offset);
+ } else {
dir_bh = udf_bread(old_inode, 0, 0, &retval);
if (!dir_bh)
goto end_rename;
@@ -1223,16 +1154,14 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
if (!dir_fi)
goto end_rename;
tloc = lelb_to_cpu(dir_fi->icb.extLocation);
- if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0)
- != old_dir->i_ino)
+ if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) != old_dir->i_ino)
goto end_rename;
retval = -EMLINK;
- if (!new_inode && new_dir->i_nlink >= (256<<sizeof(new_dir->i_nlink))-1)
+ if (!new_inode && new_dir->i_nlink >= (256 << sizeof(new_dir->i_nlink)) - 1)
goto end_rename;
}
- if (!nfi)
- {
+ if (!nfi) {
nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval);
if (!nfi)
goto end_rename;
@@ -1257,39 +1186,32 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi);
udf_delete_entry(old_dir, ofi, &ofibh, &ocfi);
- if (new_inode)
- {
+ if (new_inode) {
new_inode->i_ctime = current_fs_time(new_inode->i_sb);
inode_dec_link_count(new_inode);
}
old_dir->i_ctime = old_dir->i_mtime = current_fs_time(old_dir->i_sb);
mark_inode_dirty(old_dir);
- if (dir_fi)
- {
+ if (dir_fi) {
dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir));
udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) +
- le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3);
- if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3);
+ if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(old_inode);
- }
- else
+ } else {
mark_buffer_dirty_inode(dir_bh, old_inode);
+ }
inode_dec_link_count(old_dir);
- if (new_inode)
- {
+ if (new_inode) {
inode_dec_link_count(new_inode);
- }
- else
- {
+ } else {
inc_nlink(new_dir);
mark_inode_dirty(new_dir);
}
}
- if (ofi)
- {
+ if (ofi) {
if (ofibh.sbh != ofibh.ebh)
brelse(ofibh.ebh);
brelse(ofibh.sbh);
@@ -1299,13 +1221,13 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
end_rename:
brelse(dir_bh);
- if (nfi)
- {
+ if (nfi) {
if (nfibh.sbh != nfibh.ebh)
brelse(nfibh.ebh);
brelse(nfibh.sbh);
}
unlock_kernel();
+
return retval;
}
diff --git a/fs/udf/osta_udf.h b/fs/udf/osta_udf.h
index e82aae652697..65ff47902bd2 100644
--- a/fs/udf/osta_udf.h
+++ b/fs/udf/osta_udf.h
@@ -65,30 +65,26 @@
#define IS_DF_HARD_WRITE_PROTECT 0x01
#define IS_DF_SOFT_WRITE_PROTECT 0x02
-struct UDFIdentSuffix
-{
+struct UDFIdentSuffix {
__le16 UDFRevision;
uint8_t OSClass;
uint8_t OSIdentifier;
uint8_t reserved[4];
} __attribute__ ((packed));
-struct impIdentSuffix
-{
+struct impIdentSuffix {
uint8_t OSClass;
uint8_t OSIdentifier;
uint8_t reserved[6];
} __attribute__ ((packed));
-struct appIdentSuffix
-{
+struct appIdentSuffix {
uint8_t impUse[8];
} __attribute__ ((packed));
/* Logical Volume Integrity Descriptor (UDF 2.50 2.2.6) */
/* Implementation Use (UDF 2.50 2.2.6.4) */
-struct logicalVolIntegrityDescImpUse
-{
+struct logicalVolIntegrityDescImpUse {
regid impIdent;
__le32 numFiles;
__le32 numDirs;
@@ -100,8 +96,7 @@ struct logicalVolIntegrityDescImpUse
/* Implementation Use Volume Descriptor (UDF 2.50 2.2.7) */
/* Implementation Use (UDF 2.50 2.2.7.2) */
-struct impUseVolDescImpUse
-{
+struct impUseVolDescImpUse {
charspec LVICharset;
dstring logicalVolIdent[128];
dstring LVInfo1[36];
@@ -111,8 +106,7 @@ struct impUseVolDescImpUse
uint8_t impUse[128];
} __attribute__ ((packed));
-struct udfPartitionMap2
-{
+struct udfPartitionMap2 {
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
@@ -122,8 +116,7 @@ struct udfPartitionMap2
} __attribute__ ((packed));
/* Virtual Partition Map (UDF 2.50 2.2.8) */
-struct virtualPartitionMap
-{
+struct virtualPartitionMap {
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
@@ -134,24 +127,22 @@ struct virtualPartitionMap
} __attribute__ ((packed));
/* Sparable Partition Map (UDF 2.50 2.2.9) */
-struct sparablePartitionMap
-{
- uint8_t partitionMapType;
- uint8_t partitionMapLength;
- uint8_t reserved1[2];
- regid partIdent;
- __le16 volSeqNum;
- __le16 partitionNum;
- __le16 packetLength;
- uint8_t numSparingTables;
- uint8_t reserved2[1];
- __le32 sizeSparingTable;
- __le32 locSparingTable[4];
+struct sparablePartitionMap {
+ uint8_t partitionMapType;
+ uint8_t partitionMapLength;
+ uint8_t reserved1[2];
+ regid partIdent;
+ __le16 volSeqNum;
+ __le16 partitionNum;
+ __le16 packetLength;
+ uint8_t numSparingTables;
+ uint8_t reserved2[1];
+ __le32 sizeSparingTable;
+ __le32 locSparingTable[4];
} __attribute__ ((packed));
/* Metadata Partition Map (UDF 2.4.0 2.2.10) */
-struct metadataPartitionMap
-{
+struct metadataPartitionMap {
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
@@ -168,18 +159,16 @@ struct metadataPartitionMap
} __attribute__ ((packed));
/* Virtual Allocation Table (UDF 1.5 2.2.10) */
-struct virtualAllocationTable15
-{
+struct virtualAllocationTable15 {
__le32 VirtualSector[0];
regid vatIdent;
__le32 previousVATICBLoc;
-} __attribute__ ((packed));
+} __attribute__ ((packed));
#define ICBTAG_FILE_TYPE_VAT15 0x00U
/* Virtual Allocation Table (UDF 2.50 2.2.11) */
-struct virtualAllocationTable20
-{
+struct virtualAllocationTable20 {
__le16 lengthHeader;
__le16 lengthImpUse;
dstring logicalVolIdent[128];
@@ -197,14 +186,12 @@ struct virtualAllocationTable20
#define ICBTAG_FILE_TYPE_VAT20 0xF8U
/* Sparing Table (UDF 2.50 2.2.12) */
-struct sparingEntry
-{
+struct sparingEntry {
__le32 origLocation;
__le32 mappedLocation;
} __attribute__ ((packed));
-struct sparingTable
-{
+struct sparingTable {
tag descTag;
regid sparingIdent;
__le16 reallocationTableLen;
@@ -220,8 +207,7 @@ struct sparingTable
#define ICBTAG_FILE_TYPE_BITMAP 0xFC
/* struct long_ad ICB - ADImpUse (UDF 2.50 2.2.4.3) */
-struct allocDescImpUse
-{
+struct allocDescImpUse {
__le16 flags;
uint8_t impUse[4];
} __attribute__ ((packed));
@@ -233,15 +219,13 @@ struct allocDescImpUse
/* Implementation Use Extended Attribute (UDF 2.50 3.3.4.5) */
/* FreeEASpace (UDF 2.50 3.3.4.5.1.1) */
-struct freeEaSpace
-{
+struct freeEaSpace {
__le16 headerChecksum;
uint8_t freeEASpace[0];
} __attribute__ ((packed));
/* DVD Copyright Management Information (UDF 2.50 3.3.4.5.1.2) */
-struct DVDCopyrightImpUse
-{
+struct DVDCopyrightImpUse {
__le16 headerChecksum;
uint8_t CGMSInfo;
uint8_t dataType;
@@ -250,8 +234,7 @@ struct DVDCopyrightImpUse
/* Application Use Extended Attribute (UDF 2.50 3.3.4.6) */
/* FreeAppEASpace (UDF 2.50 3.3.4.6.1) */
-struct freeAppEASpace
-{
+struct freeAppEASpace {
__le16 headerChecksum;
uint8_t freeEASpace[0];
} __attribute__ ((packed));
diff --git a/fs/udf/partition.c b/fs/udf/partition.c
index 467a26171cd9..aaab24c8c498 100644
--- a/fs/udf/partition.c
+++ b/fs/udf/partition.c
@@ -14,7 +14,7 @@
*
* HISTORY
*
- * 12/06/98 blf Created file.
+ * 12/06/98 blf Created file.
*
*/
@@ -28,12 +28,12 @@
#include <linux/slab.h>
#include <linux/buffer_head.h>
-inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset)
+inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block,
+ uint16_t partition, uint32_t offset)
{
- if (partition >= UDF_SB_NUMPARTS(sb))
- {
+ if (partition >= UDF_SB_NUMPARTS(sb)) {
udf_debug("block=%d, partition=%d, offset=%d: invalid partition\n",
- block, partition, offset);
+ block, partition, offset);
return 0xFFFFFFFF;
}
if (UDF_SB_PARTFUNC(sb, partition))
@@ -42,7 +42,8 @@ inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block, uint16_t
return UDF_SB_PARTROOT(sb, partition) + block + offset;
}
-uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset)
+uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
+ uint16_t partition, uint32_t offset)
{
struct buffer_head *bh = NULL;
uint32_t newblock;
@@ -51,31 +52,26 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block, uint16_t
index = (sb->s_blocksize - UDF_SB_TYPEVIRT(sb,partition).s_start_offset) / sizeof(uint32_t);
- if (block > UDF_SB_TYPEVIRT(sb,partition).s_num_entries)
- {
+ if (block > UDF_SB_TYPEVIRT(sb,partition).s_num_entries) {
udf_debug("Trying to access block beyond end of VAT (%d max %d)\n",
- block, UDF_SB_TYPEVIRT(sb,partition).s_num_entries);
+ block, UDF_SB_TYPEVIRT(sb,partition).s_num_entries);
return 0xFFFFFFFF;
}
- if (block >= index)
- {
+ if (block >= index) {
block -= index;
newblock = 1 + (block / (sb->s_blocksize / sizeof(uint32_t)));
index = block % (sb->s_blocksize / sizeof(uint32_t));
- }
- else
- {
+ } else {
newblock = 0;
index = UDF_SB_TYPEVIRT(sb,partition).s_start_offset / sizeof(uint32_t) + block;
}
loc = udf_block_map(UDF_SB_VAT(sb), newblock);
- if (!(bh = sb_bread(sb, loc)))
- {
+ if (!(bh = sb_bread(sb, loc))) {
udf_debug("get_pblock(UDF_VIRTUAL_MAP:%p,%d,%d) VAT: %d[%d]\n",
- sb, block, partition, loc, index);
+ sb, block, partition, loc, index);
return 0xFFFFFFFF;
}
@@ -83,50 +79,49 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block, uint16_t
brelse(bh);
- if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition)
- {
+ if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition) {
udf_debug("recursive call to udf_get_pblock!\n");
return 0xFFFFFFFF;
}
- return udf_get_pblock(sb, loc, UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum, offset);
+ return udf_get_pblock(sb, loc,
+ UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum,
+ offset);
}
-inline uint32_t udf_get_pblock_virt20(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset)
+inline uint32_t udf_get_pblock_virt20(struct super_block * sb, uint32_t block,
+ uint16_t partition, uint32_t offset)
{
return udf_get_pblock_virt15(sb, block, partition, offset);
}
-uint32_t udf_get_pblock_spar15(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset)
+uint32_t udf_get_pblock_spar15(struct super_block * sb, uint32_t block,
+ uint16_t partition, uint32_t offset)
{
int i;
struct sparingTable *st = NULL;
uint32_t packet = (block + offset) & ~(UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1);
- for (i=0; i<4; i++)
- {
- if (UDF_SB_TYPESPAR(sb,partition).s_spar_map[i] != NULL)
- {
+ for (i = 0; i < 4; i++) {
+ if (UDF_SB_TYPESPAR(sb,partition).s_spar_map[i] != NULL) {
st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,partition).s_spar_map[i]->b_data;
break;
}
}
- if (st)
- {
- for (i=0; i<le16_to_cpu(st->reallocationTableLen); i++)
- {
- if (le32_to_cpu(st->mapEntry[i].origLocation) >= 0xFFFFFFF0)
+ if (st) {
+ for (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) {
+ if (le32_to_cpu(st->mapEntry[i].origLocation) >= 0xFFFFFFF0) {
break;
- else if (le32_to_cpu(st->mapEntry[i].origLocation) == packet)
- {
+ } else if (le32_to_cpu(st->mapEntry[i].origLocation) == packet) {
return le32_to_cpu(st->mapEntry[i].mappedLocation) +
((block + offset) & (UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1));
- }
- else if (le32_to_cpu(st->mapEntry[i].origLocation) > packet)
+ } else if (le32_to_cpu(st->mapEntry[i].origLocation) > packet) {
break;
+ }
}
}
+
return UDF_SB_PARTROOT(sb,partition) + block + offset;
}
@@ -138,18 +133,14 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
uint32_t packet;
int i, j, k, l;
- for (i=0; i<UDF_SB_NUMPARTS(sb); i++)
- {
+ for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
if (old_block > UDF_SB_PARTROOT(sb,i) &&
- old_block < UDF_SB_PARTROOT(sb,i) + UDF_SB_PARTLEN(sb,i))
- {
+ old_block < UDF_SB_PARTROOT(sb,i) + UDF_SB_PARTLEN(sb,i)) {
sdata = &UDF_SB_TYPESPAR(sb,i);
packet = (old_block - UDF_SB_PARTROOT(sb,i)) & ~(sdata->s_packet_len - 1);
- for (j=0; j<4; j++)
- {
- if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL)
- {
+ for (j = 0; j < 4; j++) {
+ if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) {
st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
break;
}
@@ -158,14 +149,10 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
if (!st)
return 1;
- for (k=0; k<le16_to_cpu(st->reallocationTableLen); k++)
- {
- if (le32_to_cpu(st->mapEntry[k].origLocation) == 0xFFFFFFFF)
- {
- for (; j<4; j++)
- {
- if (sdata->s_spar_map[j])
- {
+ for (k = 0; k < le16_to_cpu(st->reallocationTableLen); k++) {
+ if (le32_to_cpu(st->mapEntry[k].origLocation) == 0xFFFFFFFF) {
+ for (; j < 4; j++) {
+ if (sdata->s_spar_map[j]) {
st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
st->mapEntry[k].origLocation = cpu_to_le32(packet);
udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry));
@@ -175,28 +162,23 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
*new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) +
((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1));
return 0;
- }
- else if (le32_to_cpu(st->mapEntry[k].origLocation) == packet)
- {
+ } else if (le32_to_cpu(st->mapEntry[k].origLocation) == packet) {
*new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) +
((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1));
return 0;
- }
- else if (le32_to_cpu(st->mapEntry[k].origLocation) > packet)
+ } else if (le32_to_cpu(st->mapEntry[k].origLocation) > packet) {
break;
+ }
}
- for (l=k; l<le16_to_cpu(st->reallocationTableLen); l++)
- {
- if (le32_to_cpu(st->mapEntry[l].origLocation) == 0xFFFFFFFF)
- {
- for (; j<4; j++)
- {
- if (sdata->s_spar_map[j])
- {
+
+ for (l = k; l < le16_to_cpu(st->reallocationTableLen); l++) {
+ if (le32_to_cpu(st->mapEntry[l].origLocation) == 0xFFFFFFFF) {
+ for (; j < 4; j++) {
+ if (sdata->s_spar_map[j]) {
st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
mapEntry = st->mapEntry[l];
mapEntry.origLocation = cpu_to_le32(packet);
- memmove(&st->mapEntry[k+1], &st->mapEntry[k], (l-k)*sizeof(struct sparingEntry));
+ memmove(&st->mapEntry[k + 1], &st->mapEntry[k], (l - k) * sizeof(struct sparingEntry));
st->mapEntry[k] = mapEntry;
udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry));
mark_buffer_dirty(sdata->s_spar_map[j]);
@@ -207,11 +189,12 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
return 0;
}
}
+
return 1;
- }
+ } /* if old_block */
}
- if (i == UDF_SB_NUMPARTS(sb))
- {
+
+ if (i == UDF_SB_NUMPARTS(sb)) {
/* outside of partitions */
/* for now, fail =) */
return 1;
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 6658afb41cc7..c68a6e730b97 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -38,7 +38,7 @@
* 12/20/98 find the free space bitmap (if it exists)
*/
-#include "udfdecl.h"
+#include "udfdecl.h"
#include <linux/blkdev.h>
#include <linux/slab.h>
@@ -80,13 +80,16 @@ static int udf_remount_fs(struct super_block *, int *, char *);
static int udf_check_valid(struct super_block *, int, int);
static int udf_vrs(struct super_block *sb, int silent);
static int udf_load_partition(struct super_block *, kernel_lb_addr *);
-static int udf_load_logicalvol(struct super_block *, struct buffer_head *, kernel_lb_addr *);
+static int udf_load_logicalvol(struct super_block *, struct buffer_head *,
+ kernel_lb_addr *);
static void udf_load_logicalvolint(struct super_block *, kernel_extent_ad);
static void udf_find_anchor(struct super_block *);
-static int udf_find_fileset(struct super_block *, kernel_lb_addr *, kernel_lb_addr *);
+static int udf_find_fileset(struct super_block *, kernel_lb_addr *,
+ kernel_lb_addr *);
static void udf_load_pvoldesc(struct super_block *, struct buffer_head *);
-static void udf_load_fileset(struct super_block *, struct buffer_head *, kernel_lb_addr *);
-static void udf_load_partdesc(struct super_block *, struct buffer_head *);
+static void udf_load_fileset(struct super_block *, struct buffer_head *,
+ kernel_lb_addr *);
+static int udf_load_partdesc(struct super_block *, struct buffer_head *);
static void udf_open_lvid(struct super_block *);
static void udf_close_lvid(struct super_block *);
static unsigned int udf_count_free(struct super_block *);
@@ -94,7 +97,8 @@ static int udf_statfs(struct dentry *, struct kstatfs *);
/* UDF filesystem type */
static int udf_get_sb(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+ int flags, const char *dev_name, void *data,
+ struct vfsmount *mnt)
{
return get_sb_bdev(fs_type, flags, dev_name, data, udf_fill_super, mnt);
}
@@ -107,7 +111,7 @@ static struct file_system_type udf_fstype = {
.fs_flags = FS_REQUIRES_DEV,
};
-static struct kmem_cache * udf_inode_cachep;
+static struct kmem_cache *udf_inode_cachep;
static struct inode *udf_alloc_inode(struct super_block *sb)
{
@@ -130,9 +134,9 @@ static void udf_destroy_inode(struct inode *inode)
kmem_cache_free(udf_inode_cachep, UDF_I(inode));
}
-static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
+static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
{
- struct udf_inode_info *ei = (struct udf_inode_info *) foo;
+ struct udf_inode_info *ei = (struct udf_inode_info *)foo;
ei->i_ext.i_data = NULL;
inode_init_once(&ei->vfs_inode);
@@ -142,10 +146,10 @@ static int init_inodecache(void)
{
udf_inode_cachep = kmem_cache_create("udf_inode_cache",
sizeof(struct udf_inode_info),
- 0, (SLAB_RECLAIM_ACCOUNT|
- SLAB_MEM_SPREAD),
- init_once, NULL);
- if (udf_inode_cachep == NULL)
+ 0, (SLAB_RECLAIM_ACCOUNT |
+ SLAB_MEM_SPREAD),
+ init_once);
+ if (!udf_inode_cachep)
return -ENOMEM;
return 0;
}
@@ -157,19 +161,18 @@ static void destroy_inodecache(void)
/* Superblock operations */
static const struct super_operations udf_sb_ops = {
- .alloc_inode = udf_alloc_inode,
- .destroy_inode = udf_destroy_inode,
- .write_inode = udf_write_inode,
- .delete_inode = udf_delete_inode,
- .clear_inode = udf_clear_inode,
- .put_super = udf_put_super,
- .write_super = udf_write_super,
- .statfs = udf_statfs,
- .remount_fs = udf_remount_fs,
+ .alloc_inode = udf_alloc_inode,
+ .destroy_inode = udf_destroy_inode,
+ .write_inode = udf_write_inode,
+ .delete_inode = udf_delete_inode,
+ .clear_inode = udf_clear_inode,
+ .put_super = udf_put_super,
+ .write_super = udf_write_super,
+ .statfs = udf_statfs,
+ .remount_fs = udf_remount_fs,
};
-struct udf_options
-{
+struct udf_options {
unsigned char novrs;
unsigned int blocksize;
unsigned int session;
@@ -189,15 +192,19 @@ struct udf_options
static int __init init_udf_fs(void)
{
int err;
+
err = init_inodecache();
if (err)
goto out1;
err = register_filesystem(&udf_fstype);
if (err)
goto out;
+
return 0;
+
out:
destroy_inodecache();
+
out1:
return err;
}
@@ -235,7 +242,7 @@ module_exit(exit_udf_fs)
*
* The remaining are for debugging and disaster recovery:
*
- * novrs Skip volume sequence recognition
+ * novrs Skip volume sequence recognition
*
* The following expect a offset from 0.
*
@@ -275,36 +282,35 @@ enum {
};
static match_table_t tokens = {
- {Opt_novrs, "novrs"},
- {Opt_nostrict, "nostrict"},
- {Opt_bs, "bs=%u"},
- {Opt_unhide, "unhide"},
- {Opt_undelete, "undelete"},
- {Opt_noadinicb, "noadinicb"},
- {Opt_adinicb, "adinicb"},
- {Opt_shortad, "shortad"},
- {Opt_longad, "longad"},
- {Opt_uforget, "uid=forget"},
- {Opt_uignore, "uid=ignore"},
- {Opt_gforget, "gid=forget"},
- {Opt_gignore, "gid=ignore"},
- {Opt_gid, "gid=%u"},
- {Opt_uid, "uid=%u"},
- {Opt_umask, "umask=%o"},
- {Opt_session, "session=%u"},
- {Opt_lastblock, "lastblock=%u"},
- {Opt_anchor, "anchor=%u"},
- {Opt_volume, "volume=%u"},
- {Opt_partition, "partition=%u"},
- {Opt_fileset, "fileset=%u"},
- {Opt_rootdir, "rootdir=%u"},
- {Opt_utf8, "utf8"},
- {Opt_iocharset, "iocharset=%s"},
- {Opt_err, NULL}
+ {Opt_novrs, "novrs"},
+ {Opt_nostrict, "nostrict"},
+ {Opt_bs, "bs=%u"},
+ {Opt_unhide, "unhide"},
+ {Opt_undelete, "undelete"},
+ {Opt_noadinicb, "noadinicb"},
+ {Opt_adinicb, "adinicb"},
+ {Opt_shortad, "shortad"},
+ {Opt_longad, "longad"},
+ {Opt_uforget, "uid=forget"},
+ {Opt_uignore, "uid=ignore"},
+ {Opt_gforget, "gid=forget"},
+ {Opt_gignore, "gid=ignore"},
+ {Opt_gid, "gid=%u"},
+ {Opt_uid, "uid=%u"},
+ {Opt_umask, "umask=%o"},
+ {Opt_session, "session=%u"},
+ {Opt_lastblock, "lastblock=%u"},
+ {Opt_anchor, "anchor=%u"},
+ {Opt_volume, "volume=%u"},
+ {Opt_partition, "partition=%u"},
+ {Opt_fileset, "fileset=%u"},
+ {Opt_rootdir, "rootdir=%u"},
+ {Opt_utf8, "utf8"},
+ {Opt_iocharset, "iocharset=%s"},
+ {Opt_err, NULL}
};
-static int
-udf_parse_options(char *options, struct udf_options *uopt)
+static int udf_parse_options(char *options, struct udf_options *uopt)
{
char *p;
int option;
@@ -323,145 +329,145 @@ udf_parse_options(char *options, struct udf_options *uopt)
if (!options)
return 1;
- while ((p = strsep(&options, ",")) != NULL)
- {
+ while ((p = strsep(&options, ",")) != NULL) {
substring_t args[MAX_OPT_ARGS];
int token;
if (!*p)
continue;
token = match_token(p, tokens, args);
- switch (token)
- {
- case Opt_novrs:
- uopt->novrs = 1;
- case Opt_bs:
- if (match_int(&args[0], &option))
- return 0;
- uopt->blocksize = option;
- break;
- case Opt_unhide:
- uopt->flags |= (1 << UDF_FLAG_UNHIDE);
- break;
- case Opt_undelete:
- uopt->flags |= (1 << UDF_FLAG_UNDELETE);
- break;
- case Opt_noadinicb:
- uopt->flags &= ~(1 << UDF_FLAG_USE_AD_IN_ICB);
- break;
- case Opt_adinicb:
- uopt->flags |= (1 << UDF_FLAG_USE_AD_IN_ICB);
- break;
- case Opt_shortad:
- uopt->flags |= (1 << UDF_FLAG_USE_SHORT_AD);
- break;
- case Opt_longad:
- uopt->flags &= ~(1 << UDF_FLAG_USE_SHORT_AD);
- break;
- case Opt_gid:
- if (match_int(args, &option))
- return 0;
- uopt->gid = option;
- break;
- case Opt_uid:
- if (match_int(args, &option))
- return 0;
- uopt->uid = option;
- break;
- case Opt_umask:
- if (match_octal(args, &option))
- return 0;
- uopt->umask = option;
- break;
- case Opt_nostrict:
- uopt->flags &= ~(1 << UDF_FLAG_STRICT);
- break;
- case Opt_session:
- if (match_int(args, &option))
- return 0;
- uopt->session = option;
- break;
- case Opt_lastblock:
- if (match_int(args, &option))
- return 0;
- uopt->lastblock = option;
- break;
- case Opt_anchor:
- if (match_int(args, &option))
- return 0;
- uopt->anchor = option;
- break;
- case Opt_volume:
- if (match_int(args, &option))
- return 0;
- uopt->volume = option;
- break;
- case Opt_partition:
- if (match_int(args, &option))
- return 0;
- uopt->partition = option;
- break;
- case Opt_fileset:
- if (match_int(args, &option))
- return 0;
- uopt->fileset = option;
- break;
- case Opt_rootdir:
- if (match_int(args, &option))
- return 0;
- uopt->rootdir = option;
- break;
- case Opt_utf8:
- uopt->flags |= (1 << UDF_FLAG_UTF8);
- break;
+ switch (token) {
+ case Opt_novrs:
+ uopt->novrs = 1;
+ case Opt_bs:
+ if (match_int(&args[0], &option))
+ return 0;
+ uopt->blocksize = option;
+ break;
+ case Opt_unhide:
+ uopt->flags |= (1 << UDF_FLAG_UNHIDE);
+ break;
+ case Opt_undelete:
+ uopt->flags |= (1 << UDF_FLAG_UNDELETE);
+ break;
+ case Opt_noadinicb:
+ uopt->flags &= ~(1 << UDF_FLAG_USE_AD_IN_ICB);
+ break;
+ case Opt_adinicb:
+ uopt->flags |= (1 << UDF_FLAG_USE_AD_IN_ICB);
+ break;
+ case Opt_shortad:
+ uopt->flags |= (1 << UDF_FLAG_USE_SHORT_AD);
+ break;
+ case Opt_longad:
+ uopt->flags &= ~(1 << UDF_FLAG_USE_SHORT_AD);
+ break;
+ case Opt_gid:
+ if (match_int(args, &option))
+ return 0;
+ uopt->gid = option;
+ uopt->flags |= (1 << UDF_FLAG_GID_SET);
+ break;
+ case Opt_uid:
+ if (match_int(args, &option))
+ return 0;
+ uopt->uid = option;
+ uopt->flags |= (1 << UDF_FLAG_UID_SET);
+ break;
+ case Opt_umask:
+ if (match_octal(args, &option))
+ return 0;
+ uopt->umask = option;
+ break;
+ case Opt_nostrict:
+ uopt->flags &= ~(1 << UDF_FLAG_STRICT);
+ break;
+ case Opt_session:
+ if (match_int(args, &option))
+ return 0;
+ uopt->session = option;
+ break;
+ case Opt_lastblock:
+ if (match_int(args, &option))
+ return 0;
+ uopt->lastblock = option;
+ break;
+ case Opt_anchor:
+ if (match_int(args, &option))
+ return 0;
+ uopt->anchor = option;
+ break;
+ case Opt_volume:
+ if (match_int(args, &option))
+ return 0;
+ uopt->volume = option;
+ break;
+ case Opt_partition:
+ if (match_int(args, &option))
+ return 0;
+ uopt->partition = option;
+ break;
+ case Opt_fileset:
+ if (match_int(args, &option))
+ return 0;
+ uopt->fileset = option;
+ break;
+ case Opt_rootdir:
+ if (match_int(args, &option))
+ return 0;
+ uopt->rootdir = option;
+ break;
+ case Opt_utf8:
+ uopt->flags |= (1 << UDF_FLAG_UTF8);
+ break;
#ifdef CONFIG_UDF_NLS
- case Opt_iocharset:
- uopt->nls_map = load_nls(args[0].from);
- uopt->flags |= (1 << UDF_FLAG_NLS_MAP);
- break;
+ case Opt_iocharset:
+ uopt->nls_map = load_nls(args[0].from);
+ uopt->flags |= (1 << UDF_FLAG_NLS_MAP);
+ break;
#endif
- case Opt_uignore:
- uopt->flags |= (1 << UDF_FLAG_UID_IGNORE);
- break;
- case Opt_uforget:
- uopt->flags |= (1 << UDF_FLAG_UID_FORGET);
- break;
- case Opt_gignore:
- uopt->flags |= (1 << UDF_FLAG_GID_IGNORE);
- break;
- case Opt_gforget:
- uopt->flags |= (1 << UDF_FLAG_GID_FORGET);
- break;
- default:
- printk(KERN_ERR "udf: bad mount option \"%s\" "
- "or missing value\n", p);
+ case Opt_uignore:
+ uopt->flags |= (1 << UDF_FLAG_UID_IGNORE);
+ break;
+ case Opt_uforget:
+ uopt->flags |= (1 << UDF_FLAG_UID_FORGET);
+ break;
+ case Opt_gignore:
+ uopt->flags |= (1 << UDF_FLAG_GID_IGNORE);
+ break;
+ case Opt_gforget:
+ uopt->flags |= (1 << UDF_FLAG_GID_FORGET);
+ break;
+ default:
+ printk(KERN_ERR "udf: bad mount option \"%s\" "
+ "or missing value\n", p);
return 0;
}
}
return 1;
}
-void
-udf_write_super(struct super_block *sb)
+void udf_write_super(struct super_block *sb)
{
lock_kernel();
+
if (!(sb->s_flags & MS_RDONLY))
udf_open_lvid(sb);
sb->s_dirt = 0;
+
unlock_kernel();
}
-static int
-udf_remount_fs(struct super_block *sb, int *flags, char *options)
+static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
{
struct udf_options uopt;
- uopt.flags = UDF_SB(sb)->s_flags ;
- uopt.uid = UDF_SB(sb)->s_uid ;
- uopt.gid = UDF_SB(sb)->s_gid ;
- uopt.umask = UDF_SB(sb)->s_umask ;
+ uopt.flags = UDF_SB(sb)->s_flags;
+ uopt.uid = UDF_SB(sb)->s_uid;
+ uopt.gid = UDF_SB(sb)->s_gid;
+ uopt.umask = UDF_SB(sb)->s_umask;
- if ( !udf_parse_options(options, &uopt) )
+ if (!udf_parse_options(options, &uopt))
return -EINVAL;
UDF_SB(sb)->s_flags = uopt.flags;
@@ -512,27 +518,26 @@ udf_remount_fs(struct super_block *sb, int *flags, char *options)
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
-static int
-udf_set_blocksize(struct super_block *sb, int bsize)
+static int udf_set_blocksize(struct super_block *sb, int bsize)
{
if (!sb_min_blocksize(sb, bsize)) {
udf_debug("Bad block size (%d)\n", bsize);
printk(KERN_ERR "udf: bad block size (%d)\n", bsize);
return 0;
}
+
return sb->s_blocksize;
}
-static int
-udf_vrs(struct super_block *sb, int silent)
+static int udf_vrs(struct super_block *sb, int silent)
{
struct volStructDesc *vsd = NULL;
int sector = 32768;
int sectorsize;
struct buffer_head *bh = NULL;
- int iso9660=0;
- int nsr02=0;
- int nsr03=0;
+ int iso9660 = 0;
+ int nsr02 = 0;
+ int nsr03 = 0;
/* Block size must be a multiple of 512 */
if (sb->s_blocksize & 511)
@@ -546,10 +551,9 @@ udf_vrs(struct super_block *sb, int silent)
sector += (UDF_SB_SESSION(sb) << sb->s_blocksize_bits);
udf_debug("Starting at sector %u (%ld byte sectors)\n",
- (sector >> sb->s_blocksize_bits), sb->s_blocksize);
+ (sector >> sb->s_blocksize_bits), sb->s_blocksize);
/* Process the sequence (if applicable) */
- for (;!nsr02 && !nsr03; sector += sectorsize)
- {
+ for (; !nsr02 && !nsr03; sector += sectorsize) {
/* Read a block */
bh = udf_tread(sb, sector >> sb->s_blocksize_bits);
if (!bh)
@@ -557,52 +561,45 @@ udf_vrs(struct super_block *sb, int silent)
/* Look for ISO descriptors */
vsd = (struct volStructDesc *)(bh->b_data +
- (sector & (sb->s_blocksize - 1)));
+ (sector & (sb->s_blocksize - 1)));
- if (vsd->stdIdent[0] == 0)
- {
+ if (vsd->stdIdent[0] == 0) {
brelse(bh);
break;
- }
- else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN))
- {
+ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) {
iso9660 = sector;
- switch (vsd->structType)
- {
- case 0:
- udf_debug("ISO9660 Boot Record found\n");
- break;
- case 1:
- udf_debug("ISO9660 Primary Volume Descriptor found\n");
- break;
- case 2:
- udf_debug("ISO9660 Supplementary Volume Descriptor found\n");
- break;
- case 3:
- udf_debug("ISO9660 Volume Partition Descriptor found\n");
- break;
- case 255:
- udf_debug("ISO9660 Volume Descriptor Set Terminator found\n");
- break;
- default:
- udf_debug("ISO9660 VRS (%u) found\n", vsd->structType);
- break;
+ switch (vsd->structType) {
+ case 0:
+ udf_debug("ISO9660 Boot Record found\n");
+ break;
+ case 1:
+ udf_debug
+ ("ISO9660 Primary Volume Descriptor found\n");
+ break;
+ case 2:
+ udf_debug
+ ("ISO9660 Supplementary Volume Descriptor found\n");
+ break;
+ case 3:
+ udf_debug
+ ("ISO9660 Volume Partition Descriptor found\n");
+ break;
+ case 255:
+ udf_debug
+ ("ISO9660 Volume Descriptor Set Terminator found\n");
+ break;
+ default:
+ udf_debug("ISO9660 VRS (%u) found\n",
+ vsd->structType);
+ break;
}
- }
- else if (!strncmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN))
- {
- }
- else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN))
- {
+ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_BEA01, VSD_STD_ID_LEN)) {
+ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) {
brelse(bh);
break;
- }
- else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN))
- {
+ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) {
nsr02 = sector;
- }
- else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN))
- {
+ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR03, VSD_STD_ID_LEN)) {
nsr03 = sector;
}
brelse(bh);
@@ -635,8 +632,7 @@ udf_vrs(struct super_block *sb, int silent)
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
-static void
-udf_find_anchor(struct super_block *sb)
+static void udf_find_anchor(struct super_block *sb)
{
int lastblock = UDF_SB_LASTBLOCK(sb);
struct buffer_head *bh = NULL;
@@ -644,8 +640,7 @@ udf_find_anchor(struct super_block *sb)
uint32_t location;
int i;
- if (lastblock)
- {
+ if (lastblock) {
int varlastblock = udf_variable_to_fixed(lastblock);
int last[] = { lastblock, lastblock - 2,
lastblock - 150, lastblock - 152,
@@ -663,74 +658,54 @@ udf_find_anchor(struct super_block *sb)
* however, if the disc isn't closed, it could be 512 */
for (i = 0; !lastblock && i < ARRAY_SIZE(last); i++) {
- if (last[i] < 0 || !(bh = sb_bread(sb, last[i])))
- {
+ if (last[i] < 0 || !(bh = sb_bread(sb, last[i]))) {
ident = location = 0;
- }
- else
- {
+ } else {
ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
brelse(bh);
}
- if (ident == TAG_IDENT_AVDP)
- {
- if (location == last[i] - UDF_SB_SESSION(sb))
- {
+ if (ident == TAG_IDENT_AVDP) {
+ if (location == last[i] - UDF_SB_SESSION(sb)) {
lastblock = UDF_SB_ANCHOR(sb)[0] = last[i] - UDF_SB_SESSION(sb);
UDF_SB_ANCHOR(sb)[1] = last[i] - 256 - UDF_SB_SESSION(sb);
- }
- else if (location == udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb))
- {
+ } else if (location == udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb)) {
UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
lastblock = UDF_SB_ANCHOR(sb)[0] = udf_variable_to_fixed(last[i]) - UDF_SB_SESSION(sb);
UDF_SB_ANCHOR(sb)[1] = lastblock - 256 - UDF_SB_SESSION(sb);
- }
- else
+ } else {
udf_debug("Anchor found at block %d, location mismatch %d.\n",
- last[i], location);
- }
- else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE)
- {
+ last[i], location);
+ }
+ } else if (ident == TAG_IDENT_FE || ident == TAG_IDENT_EFE) {
lastblock = last[i];
UDF_SB_ANCHOR(sb)[3] = 512;
- }
- else
- {
- if (last[i] < 256 || !(bh = sb_bread(sb, last[i] - 256)))
- {
+ } else {
+ if (last[i] < 256 || !(bh = sb_bread(sb, last[i] - 256))) {
ident = location = 0;
- }
- else
- {
+ } else {
ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
brelse(bh);
}
-
+
if (ident == TAG_IDENT_AVDP &&
- location == last[i] - 256 - UDF_SB_SESSION(sb))
- {
+ location == last[i] - 256 - UDF_SB_SESSION(sb)) {
lastblock = last[i];
UDF_SB_ANCHOR(sb)[1] = last[i] - 256;
- }
- else
- {
- if (last[i] < 312 + UDF_SB_SESSION(sb) || !(bh = sb_bread(sb, last[i] - 312 - UDF_SB_SESSION(sb))))
- {
+ } else {
+ if (last[i] < 312 + UDF_SB_SESSION(sb) ||
+ !(bh = sb_bread(sb, last[i] - 312 - UDF_SB_SESSION(sb)))) {
ident = location = 0;
- }
- else
- {
+ } else {
ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
brelse(bh);
}
-
+
if (ident == TAG_IDENT_AVDP &&
- location == udf_variable_to_fixed(last[i]) - 256)
- {
+ location == udf_variable_to_fixed(last[i]) - 256) {
UDF_SET_FLAG(sb, UDF_FLAG_VARCONV);
lastblock = udf_variable_to_fixed(last[i]);
UDF_SB_ANCHOR(sb)[1] = lastblock - 256;
@@ -740,11 +715,9 @@ udf_find_anchor(struct super_block *sb)
}
}
- if (!lastblock)
- {
+ if (!lastblock) {
/* We havn't found the lastblock. check 312 */
- if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb))))
- {
+ if ((bh = sb_bread(sb, 312 + UDF_SB_SESSION(sb)))) {
ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent);
location = le32_to_cpu(((tag *)bh->b_data)->tagLocation);
brelse(bh);
@@ -755,19 +728,14 @@ udf_find_anchor(struct super_block *sb)
}
for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
- if (UDF_SB_ANCHOR(sb)[i])
- {
- if (!(bh = udf_read_tagged(sb,
- UDF_SB_ANCHOR(sb)[i], UDF_SB_ANCHOR(sb)[i], &ident)))
- {
+ if (UDF_SB_ANCHOR(sb)[i]) {
+ if (!(bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
+ UDF_SB_ANCHOR(sb)[i], &ident))) {
UDF_SB_ANCHOR(sb)[i] = 0;
- }
- else
- {
+ } else {
brelse(bh);
- if ((ident != TAG_IDENT_AVDP) && (i ||
- (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE)))
- {
+ if ((ident != TAG_IDENT_AVDP) &&
+ (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) {
UDF_SB_ANCHOR(sb)[i] = 0;
}
}
@@ -777,89 +745,78 @@ udf_find_anchor(struct super_block *sb)
UDF_SB_LASTBLOCK(sb) = lastblock;
}
-static int
-udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr *root)
+static int udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr *root)
{
struct buffer_head *bh = NULL;
long lastblock;
uint16_t ident;
if (fileset->logicalBlockNum != 0xFFFFFFFF ||
- fileset->partitionReferenceNum != 0xFFFF)
- {
+ fileset->partitionReferenceNum != 0xFFFF) {
bh = udf_read_ptagged(sb, *fileset, 0, &ident);
- if (!bh)
+ if (!bh) {
return 1;
- else if (ident != TAG_IDENT_FSD)
- {
+ } else if (ident != TAG_IDENT_FSD) {
brelse(bh);
return 1;
}
-
+
}
- if (!bh) /* Search backwards through the partitions */
- {
+ if (!bh) { /* Search backwards through the partitions */
kernel_lb_addr newfileset;
+/* --> cvg: FIXME - is it reasonable? */
return 1;
-
- for (newfileset.partitionReferenceNum=UDF_SB_NUMPARTS(sb)-1;
- (newfileset.partitionReferenceNum != 0xFFFF &&
- fileset->logicalBlockNum == 0xFFFFFFFF &&
- fileset->partitionReferenceNum == 0xFFFF);
- newfileset.partitionReferenceNum--)
- {
+
+ for (newfileset.partitionReferenceNum = UDF_SB_NUMPARTS(sb) - 1;
+ (newfileset.partitionReferenceNum != 0xFFFF &&
+ fileset->logicalBlockNum == 0xFFFFFFFF &&
+ fileset->partitionReferenceNum == 0xFFFF);
+ newfileset.partitionReferenceNum--) {
lastblock = UDF_SB_PARTLEN(sb, newfileset.partitionReferenceNum);
newfileset.logicalBlockNum = 0;
- do
- {
+ do {
bh = udf_read_ptagged(sb, newfileset, 0, &ident);
- if (!bh)
- {
- newfileset.logicalBlockNum ++;
+ if (!bh) {
+ newfileset.logicalBlockNum++;
continue;
}
- switch (ident)
+ switch (ident) {
+ case TAG_IDENT_SBD:
{
- case TAG_IDENT_SBD:
- {
- struct spaceBitmapDesc *sp;
- sp = (struct spaceBitmapDesc *)bh->b_data;
- newfileset.logicalBlockNum += 1 +
- ((le32_to_cpu(sp->numOfBytes) + sizeof(struct spaceBitmapDesc) - 1)
- >> sb->s_blocksize_bits);
- brelse(bh);
- break;
- }
- case TAG_IDENT_FSD:
- {
- *fileset = newfileset;
- break;
- }
- default:
- {
- newfileset.logicalBlockNum ++;
- brelse(bh);
- bh = NULL;
- break;
- }
+ struct spaceBitmapDesc *sp;
+ sp = (struct spaceBitmapDesc *)bh->b_data;
+ newfileset.logicalBlockNum += 1 +
+ ((le32_to_cpu(sp->numOfBytes) +
+ sizeof(struct spaceBitmapDesc) - 1)
+ >> sb->s_blocksize_bits);
+ brelse(bh);
+ break;
}
- }
- while (newfileset.logicalBlockNum < lastblock &&
- fileset->logicalBlockNum == 0xFFFFFFFF &&
- fileset->partitionReferenceNum == 0xFFFF);
+ case TAG_IDENT_FSD:
+ *fileset = newfileset;
+ break;
+ default:
+ newfileset.logicalBlockNum++;
+ brelse(bh);
+ bh = NULL;
+ break;
+ }
+ } while (newfileset.logicalBlockNum < lastblock &&
+ fileset->logicalBlockNum == 0xFFFFFFFF &&
+ fileset->partitionReferenceNum == 0xFFFF);
}
}
if ((fileset->logicalBlockNum != 0xFFFFFFFF ||
- fileset->partitionReferenceNum != 0xFFFF) && bh)
- {
+ fileset->partitionReferenceNum != 0xFFFF) && bh) {
udf_debug("Fileset at block=%d, partition=%d\n",
- fileset->logicalBlockNum, fileset->partitionReferenceNum);
+ fileset->logicalBlockNum,
+ fileset->partitionReferenceNum);
UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum;
udf_load_fileset(sb, bh, root);
@@ -869,8 +826,7 @@ udf_find_fileset(struct super_block *sb, kernel_lb_addr *fileset, kernel_lb_addr
return 1;
}
-static void
-udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
+static void udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
{
struct primaryVolDesc *pvoldesc;
time_t recording;
@@ -880,37 +836,34 @@ udf_load_pvoldesc(struct super_block *sb, struct buffer_head *bh)
pvoldesc = (struct primaryVolDesc *)bh->b_data;
- if ( udf_stamp_to_time(&recording, &recording_usec,
- lets_to_cpu(pvoldesc->recordingDateAndTime)) )
- {
+ if (udf_stamp_to_time(&recording, &recording_usec,
+ lets_to_cpu(pvoldesc->recordingDateAndTime))) {
kernel_timestamp ts;
ts = lets_to_cpu(pvoldesc->recordingDateAndTime);
udf_debug("recording time %ld/%ld, %04u/%02u/%02u %02u:%02u (%x)\n",
- recording, recording_usec,
- ts.year, ts.month, ts.day, ts.hour, ts.minute, ts.typeAndTimezone);
+ recording, recording_usec,
+ ts.year, ts.month, ts.day, ts.hour,
+ ts.minute, ts.typeAndTimezone);
UDF_SB_RECORDTIME(sb).tv_sec = recording;
UDF_SB_RECORDTIME(sb).tv_nsec = recording_usec * 1000;
}
- if ( !udf_build_ustr(&instr, pvoldesc->volIdent, 32) )
- {
- if (udf_CS0toUTF8(&outstr, &instr))
- {
- strncpy( UDF_SB_VOLIDENT(sb), outstr.u_name,
+ if (!udf_build_ustr(&instr, pvoldesc->volIdent, 32)) {
+ if (udf_CS0toUTF8(&outstr, &instr)) {
+ strncpy(UDF_SB_VOLIDENT(sb), outstr.u_name,
outstr.u_len > 31 ? 31 : outstr.u_len);
udf_debug("volIdent[] = '%s'\n", UDF_SB_VOLIDENT(sb));
}
}
- if ( !udf_build_ustr(&instr, pvoldesc->volSetIdent, 128) )
- {
+ if (!udf_build_ustr(&instr, pvoldesc->volSetIdent, 128)) {
if (udf_CS0toUTF8(&outstr, &instr))
udf_debug("volSetIdent[] = '%s'\n", outstr.u_name);
}
}
-static void
-udf_load_fileset(struct super_block *sb, struct buffer_head *bh, kernel_lb_addr *root)
+static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
+ kernel_lb_addr *root)
{
struct fileSetDesc *fset;
@@ -920,24 +873,21 @@ udf_load_fileset(struct super_block *sb, struct buffer_head *bh, kernel_lb_addr
UDF_SB_SERIALNUM(sb) = le16_to_cpu(fset->descTag.tagSerialNum);
- udf_debug("Rootdir at block=%d, partition=%d\n",
- root->logicalBlockNum, root->partitionReferenceNum);
+ udf_debug("Rootdir at block=%d, partition=%d\n",
+ root->logicalBlockNum, root->partitionReferenceNum);
}
-static void
-udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
+static int udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
{
struct partitionDesc *p;
int i;
p = (struct partitionDesc *)bh->b_data;
- for (i=0; i<UDF_SB_NUMPARTS(sb); i++)
- {
- udf_debug("Searching map: (%d == %d)\n",
- UDF_SB_PARTMAPS(sb)[i].s_partition_num, le16_to_cpu(p->partitionNumber));
- if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == le16_to_cpu(p->partitionNumber))
- {
+ for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
+ udf_debug("Searching map: (%d == %d)\n",
+ UDF_SB_PARTMAPS(sb)[i].s_partition_num, le16_to_cpu(p->partitionNumber));
+ if (UDF_SB_PARTMAPS(sb)[i].s_partition_num == le16_to_cpu(p->partitionNumber)) {
UDF_SB_PARTLEN(sb,i) = le32_to_cpu(p->partitionLength); /* blocks */
UDF_SB_PARTROOT(sb,i) = le32_to_cpu(p->partitionStartingLocation);
if (le32_to_cpu(p->accessType) == PD_ACCESS_TYPE_READ_ONLY)
@@ -950,79 +900,87 @@ udf_load_partdesc(struct super_block *sb, struct buffer_head *bh)
UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_OVERWRITABLE;
if (!strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR02) ||
- !strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03))
- {
+ !strcmp(p->partitionContents.ident, PD_PARTITION_CONTENTS_NSR03)) {
struct partitionHeaderDesc *phd;
phd = (struct partitionHeaderDesc *)(p->partitionContentsUse);
- if (phd->unallocSpaceTable.extLength)
- {
- kernel_lb_addr loc = { le32_to_cpu(phd->unallocSpaceTable.extPosition), i };
+ if (phd->unallocSpaceTable.extLength) {
+ kernel_lb_addr loc = {
+ .logicalBlockNum = le32_to_cpu(phd->unallocSpaceTable.extPosition),
+ .partitionReferenceNum = i,
+ };
UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table =
udf_iget(sb, loc);
+ if (!UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table) {
+ udf_debug("cannot load unallocSpaceTable (part %d)\n",
+ i);
+ return 1;
+ }
UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_TABLE;
udf_debug("unallocSpaceTable (part %d) @ %ld\n",
- i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino);
+ i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_table->i_ino);
}
- if (phd->unallocSpaceBitmap.extLength)
- {
+ if (phd->unallocSpaceBitmap.extLength) {
UDF_SB_ALLOC_BITMAP(sb, i, s_uspace);
- if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL)
- {
+ if (UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap != NULL) {
UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extLength =
le32_to_cpu(phd->unallocSpaceBitmap.extLength);
UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition =
le32_to_cpu(phd->unallocSpaceBitmap.extPosition);
UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_UNALLOC_BITMAP;
udf_debug("unallocSpaceBitmap (part %d) @ %d\n",
- i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition);
+ i, UDF_SB_PARTMAPS(sb)[i].s_uspace.s_bitmap->s_extPosition);
}
}
if (phd->partitionIntegrityTable.extLength)
udf_debug("partitionIntegrityTable (part %d)\n", i);
- if (phd->freedSpaceTable.extLength)
- {
- kernel_lb_addr loc = { le32_to_cpu(phd->freedSpaceTable.extPosition), i };
+ if (phd->freedSpaceTable.extLength) {
+ kernel_lb_addr loc = {
+ .logicalBlockNum = le32_to_cpu(phd->freedSpaceTable.extPosition),
+ .partitionReferenceNum = i,
+ };
UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table =
udf_iget(sb, loc);
+ if (!UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table) {
+ udf_debug("cannot load freedSpaceTable (part %d)\n",
+ i);
+ return 1;
+ }
UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_TABLE;
udf_debug("freedSpaceTable (part %d) @ %ld\n",
- i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino);
+ i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_table->i_ino);
}
- if (phd->freedSpaceBitmap.extLength)
- {
+ if (phd->freedSpaceBitmap.extLength) {
UDF_SB_ALLOC_BITMAP(sb, i, s_fspace);
- if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL)
- {
+ if (UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap != NULL) {
UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extLength =
le32_to_cpu(phd->freedSpaceBitmap.extLength);
UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition =
le32_to_cpu(phd->freedSpaceBitmap.extPosition);
UDF_SB_PARTFLAGS(sb,i) |= UDF_PART_FLAG_FREED_BITMAP;
udf_debug("freedSpaceBitmap (part %d) @ %d\n",
- i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition);
+ i, UDF_SB_PARTMAPS(sb)[i].s_fspace.s_bitmap->s_extPosition);
}
}
}
break;
}
}
- if (i == UDF_SB_NUMPARTS(sb))
- {
- udf_debug("Partition (%d) not found in partition map\n", le16_to_cpu(p->partitionNumber));
- }
- else
- {
+ if (i == UDF_SB_NUMPARTS(sb)) {
+ udf_debug("Partition (%d) not found in partition map\n",
+ le16_to_cpu(p->partitionNumber));
+ } else {
udf_debug("Partition (%d:%d type %x) starts at physical %d, block length %d\n",
- le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb,i),
- UDF_SB_PARTROOT(sb,i), UDF_SB_PARTLEN(sb,i));
+ le16_to_cpu(p->partitionNumber), i, UDF_SB_PARTTYPE(sb,i),
+ UDF_SB_PARTROOT(sb,i), UDF_SB_PARTLEN(sb,i));
}
+ return 0;
}
-static int
-udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_addr *fileset)
+static int udf_load_logicalvol(struct super_block *sb, struct buffer_head *bh,
+ kernel_lb_addr *fileset)
{
struct logicalVolDesc *lvd;
int i, j, offset;
@@ -1032,37 +990,27 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a
UDF_SB_ALLOC_PARTMAPS(sb, le32_to_cpu(lvd->numPartitionMaps));
- for (i=0,offset=0;
- i<UDF_SB_NUMPARTS(sb) && offset<le32_to_cpu(lvd->mapTableLength);
- i++,offset+=((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength)
- {
+ for (i = 0, offset = 0;
+ i < UDF_SB_NUMPARTS(sb) && offset < le32_to_cpu(lvd->mapTableLength);
+ i++, offset += ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapLength) {
type = ((struct genericPartitionMap *)&(lvd->partitionMaps[offset]))->partitionMapType;
- if (type == 1)
- {
+ if (type == 1) {
struct genericPartitionMap1 *gpm1 = (struct genericPartitionMap1 *)&(lvd->partitionMaps[offset]);
UDF_SB_PARTTYPE(sb,i) = UDF_TYPE1_MAP15;
UDF_SB_PARTVSN(sb,i) = le16_to_cpu(gpm1->volSeqNum);
UDF_SB_PARTNUM(sb,i) = le16_to_cpu(gpm1->partitionNum);
UDF_SB_PARTFUNC(sb,i) = NULL;
- }
- else if (type == 2)
- {
+ } else if (type == 2) {
struct udfPartitionMap2 *upm2 = (struct udfPartitionMap2 *)&(lvd->partitionMaps[offset]);
- if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL)))
- {
- if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150)
- {
+ if (!strncmp(upm2->partIdent.ident, UDF_ID_VIRTUAL, strlen(UDF_ID_VIRTUAL))) {
+ if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0150) {
UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP15;
UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt15;
- }
- else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200)
- {
+ } else if (le16_to_cpu(((__le16 *)upm2->partIdent.identSuffix)[0]) == 0x0200) {
UDF_SB_PARTTYPE(sb,i) = UDF_VIRTUAL_MAP20;
UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_virt20;
}
- }
- else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE)))
- {
+ } else if (!strncmp(upm2->partIdent.ident, UDF_ID_SPARABLE, strlen(UDF_ID_SPARABLE))) {
uint32_t loc;
uint16_t ident;
struct sparingTable *st;
@@ -1070,26 +1018,21 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a
UDF_SB_PARTTYPE(sb,i) = UDF_SPARABLE_MAP15;
UDF_SB_TYPESPAR(sb,i).s_packet_len = le16_to_cpu(spm->packetLength);
- for (j=0; j<spm->numSparingTables; j++)
- {
+ for (j = 0; j < spm->numSparingTables; j++) {
loc = le32_to_cpu(spm->locSparingTable[j]);
UDF_SB_TYPESPAR(sb,i).s_spar_map[j] =
udf_read_tagged(sb, loc, loc, &ident);
- if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL)
- {
+ if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL) {
st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,i).s_spar_map[j]->b_data;
if (ident != 0 ||
- strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING)))
- {
+ strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) {
brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]);
UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL;
}
}
}
UDF_SB_PARTFUNC(sb,i) = udf_get_pblock_spar15;
- }
- else
- {
+ } else {
udf_debug("Unknown ident: %s\n", upm2->partIdent.ident);
continue;
}
@@ -1097,20 +1040,20 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a
UDF_SB_PARTNUM(sb,i) = le16_to_cpu(upm2->partitionNum);
}
udf_debug("Partition (%d:%d) type %d on volume %d\n",
- i, UDF_SB_PARTNUM(sb,i), type, UDF_SB_PARTVSN(sb,i));
+ i, UDF_SB_PARTNUM(sb,i), type, UDF_SB_PARTVSN(sb,i));
}
- if (fileset)
- {
+ if (fileset) {
long_ad *la = (long_ad *)&(lvd->logicalVolContentsUse[0]);
*fileset = lelb_to_cpu(la->extLocation);
udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
- fileset->logicalBlockNum,
- fileset->partitionReferenceNum);
+ fileset->logicalBlockNum,
+ fileset->partitionReferenceNum);
}
if (lvd->integritySeqExt.extLength)
udf_load_logicalvolint(sb, leea_to_cpu(lvd->integritySeqExt));
+
return 0;
}
@@ -1118,26 +1061,24 @@ udf_load_logicalvol(struct super_block *sb, struct buffer_head * bh, kernel_lb_a
* udf_load_logicalvolint
*
*/
-static void
-udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
+static void udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
{
struct buffer_head *bh = NULL;
uint16_t ident;
while (loc.extLength > 0 &&
- (bh = udf_read_tagged(sb, loc.extLocation,
- loc.extLocation, &ident)) &&
- ident == TAG_IDENT_LVID)
- {
+ (bh = udf_read_tagged(sb, loc.extLocation,
+ loc.extLocation, &ident)) &&
+ ident == TAG_IDENT_LVID) {
UDF_SB_LVIDBH(sb) = bh;
-
+
if (UDF_SB_LVID(sb)->nextIntegrityExt.extLength)
udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt));
-
+
if (UDF_SB_LVIDBH(sb) != bh)
brelse(bh);
loc.extLength -= sb->s_blocksize;
- loc.extLocation ++;
+ loc.extLocation++;
}
if (UDF_SB_LVIDBH(sb) != bh)
brelse(bh);
@@ -1158,15 +1099,15 @@ udf_load_logicalvolint(struct super_block *sb, kernel_extent_ad loc)
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
-static int
-udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_lb_addr *fileset)
+static int udf_process_sequence(struct super_block *sb, long block, long lastblock,
+ kernel_lb_addr *fileset)
{
struct buffer_head *bh = NULL;
struct udf_vds_record vds[VDS_POS_LENGTH];
struct generic_desc *gd;
struct volDescPtr *vdp;
- int done=0;
- int i,j;
+ int done = 0;
+ int i, j;
uint32_t vdsn;
uint16_t ident;
long next_s = 0, next_e = 0;
@@ -1174,97 +1115,92 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_
memset(vds, 0, sizeof(struct udf_vds_record) * VDS_POS_LENGTH);
/* Read the main descriptor sequence */
- for (;(!done && block <= lastblock); block++)
- {
+ for (; (!done && block <= lastblock); block++) {
bh = udf_read_tagged(sb, block, block, &ident);
- if (!bh)
+ if (!bh)
break;
/* Process each descriptor (ISO 13346 3/8.3-8.4) */
gd = (struct generic_desc *)bh->b_data;
vdsn = le32_to_cpu(gd->volDescSeqNum);
- switch (ident)
- {
- case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
- if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum)
- {
- vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn;
- vds[VDS_POS_PRIMARY_VOL_DESC].block = block;
- }
- break;
- case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */
- if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum)
- {
- vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn;
- vds[VDS_POS_VOL_DESC_PTR].block = block;
-
- vdp = (struct volDescPtr *)bh->b_data;
- next_s = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation);
- next_e = le32_to_cpu(vdp->nextVolDescSeqExt.extLength);
- next_e = next_e >> sb->s_blocksize_bits;
- next_e += next_s;
- }
- break;
- case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */
- if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum)
- {
- vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn;
- vds[VDS_POS_IMP_USE_VOL_DESC].block = block;
- }
- break;
- case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
- if (!vds[VDS_POS_PARTITION_DESC].block)
- vds[VDS_POS_PARTITION_DESC].block = block;
- break;
- case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
- if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum)
- {
- vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn;
- vds[VDS_POS_LOGICAL_VOL_DESC].block = block;
- }
- break;
- case TAG_IDENT_USD: /* ISO 13346 3/10.8 */
- if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum)
- {
- vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn;
- vds[VDS_POS_UNALLOC_SPACE_DESC].block = block;
- }
- break;
- case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
- vds[VDS_POS_TERMINATING_DESC].block = block;
- if (next_e)
- {
- block = next_s;
- lastblock = next_e;
- next_s = next_e = 0;
- }
- else
- done = 1;
- break;
+ switch (ident) {
+ case TAG_IDENT_PVD: /* ISO 13346 3/10.1 */
+ if (vdsn >= vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum) {
+ vds[VDS_POS_PRIMARY_VOL_DESC].volDescSeqNum = vdsn;
+ vds[VDS_POS_PRIMARY_VOL_DESC].block = block;
+ }
+ break;
+ case TAG_IDENT_VDP: /* ISO 13346 3/10.3 */
+ if (vdsn >= vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum) {
+ vds[VDS_POS_VOL_DESC_PTR].volDescSeqNum = vdsn;
+ vds[VDS_POS_VOL_DESC_PTR].block = block;
+
+ vdp = (struct volDescPtr *)bh->b_data;
+ next_s = le32_to_cpu(vdp->nextVolDescSeqExt.extLocation);
+ next_e = le32_to_cpu(vdp->nextVolDescSeqExt.extLength);
+ next_e = next_e >> sb->s_blocksize_bits;
+ next_e += next_s;
+ }
+ break;
+ case TAG_IDENT_IUVD: /* ISO 13346 3/10.4 */
+ if (vdsn >= vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum) {
+ vds[VDS_POS_IMP_USE_VOL_DESC].volDescSeqNum = vdsn;
+ vds[VDS_POS_IMP_USE_VOL_DESC].block = block;
+ }
+ break;
+ case TAG_IDENT_PD: /* ISO 13346 3/10.5 */
+ if (!vds[VDS_POS_PARTITION_DESC].block)
+ vds[VDS_POS_PARTITION_DESC].block = block;
+ break;
+ case TAG_IDENT_LVD: /* ISO 13346 3/10.6 */
+ if (vdsn >= vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum) {
+ vds[VDS_POS_LOGICAL_VOL_DESC].volDescSeqNum = vdsn;
+ vds[VDS_POS_LOGICAL_VOL_DESC].block = block;
+ }
+ break;
+ case TAG_IDENT_USD: /* ISO 13346 3/10.8 */
+ if (vdsn >= vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum) {
+ vds[VDS_POS_UNALLOC_SPACE_DESC].volDescSeqNum = vdsn;
+ vds[VDS_POS_UNALLOC_SPACE_DESC].block = block;
+ }
+ break;
+ case TAG_IDENT_TD: /* ISO 13346 3/10.9 */
+ vds[VDS_POS_TERMINATING_DESC].block = block;
+ if (next_e) {
+ block = next_s;
+ lastblock = next_e;
+ next_s = next_e = 0;
+ } else {
+ done = 1;
+ }
+ break;
}
brelse(bh);
}
- for (i=0; i<VDS_POS_LENGTH; i++)
- {
- if (vds[i].block)
- {
+ for (i = 0; i < VDS_POS_LENGTH; i++) {
+ if (vds[i].block) {
bh = udf_read_tagged(sb, vds[i].block, vds[i].block, &ident);
- if (i == VDS_POS_PRIMARY_VOL_DESC)
+ if (i == VDS_POS_PRIMARY_VOL_DESC) {
udf_load_pvoldesc(sb, bh);
- else if (i == VDS_POS_LOGICAL_VOL_DESC)
+ } else if (i == VDS_POS_LOGICAL_VOL_DESC) {
udf_load_logicalvol(sb, bh, fileset);
- else if (i == VDS_POS_PARTITION_DESC)
- {
+ } else if (i == VDS_POS_PARTITION_DESC) {
struct buffer_head *bh2 = NULL;
- udf_load_partdesc(sb, bh);
- for (j=vds[i].block+1; j<vds[VDS_POS_TERMINATING_DESC].block; j++)
- {
+ if (udf_load_partdesc(sb, bh)) {
+ brelse(bh);
+ return 1;
+ }
+ for (j = vds[i].block + 1; j < vds[VDS_POS_TERMINATING_DESC].block; j++) {
bh2 = udf_read_tagged(sb, j, j, &ident);
gd = (struct generic_desc *)bh2->b_data;
if (ident == TAG_IDENT_PD)
- udf_load_partdesc(sb, bh2);
+ if (udf_load_partdesc(sb, bh2)) {
+ brelse(bh);
+ brelse(bh2);
+ return 1;
+ }
brelse(bh2);
}
}
@@ -1278,31 +1214,28 @@ udf_process_sequence(struct super_block *sb, long block, long lastblock, kernel_
/*
* udf_check_valid()
*/
-static int
-udf_check_valid(struct super_block *sb, int novrs, int silent)
+static int udf_check_valid(struct super_block *sb, int novrs, int silent)
{
long block;
- if (novrs)
- {
+ if (novrs) {
udf_debug("Validity check skipped because of novrs option\n");
return 0;
}
/* Check that it is NSR02 compliant */
/* Process any "CD-ROM Volume Descriptor Set" (ECMA 167 2/8.3.1) */
- else if ((block = udf_vrs(sb, silent)) == -1)
- {
- udf_debug("Failed to read byte 32768. Assuming open disc. Skipping validity check\n");
+ else if ((block = udf_vrs(sb, silent)) == -1) {
+ udf_debug("Failed to read byte 32768. Assuming open disc. "
+ "Skipping validity check\n");
if (!UDF_SB_LASTBLOCK(sb))
UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
return 0;
- }
- else
+ } else {
return !block;
+ }
}
-static int
-udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
+static int udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
{
struct anchorVolDescPtr *anchor;
uint16_t ident;
@@ -1314,14 +1247,14 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
return 1;
for (i = 0; i < ARRAY_SIZE(UDF_SB_ANCHOR(sb)); i++) {
- if (UDF_SB_ANCHOR(sb)[i] && (bh = udf_read_tagged(sb,
- UDF_SB_ANCHOR(sb)[i], UDF_SB_ANCHOR(sb)[i], &ident)))
- {
+ if (UDF_SB_ANCHOR(sb)[i] &&
+ (bh = udf_read_tagged(sb, UDF_SB_ANCHOR(sb)[i],
+ UDF_SB_ANCHOR(sb)[i], &ident))) {
anchor = (struct anchorVolDescPtr *)bh->b_data;
/* Locate the main sequence */
- main_s = le32_to_cpu( anchor->mainVolDescSeqExt.extLocation );
- main_e = le32_to_cpu( anchor->mainVolDescSeqExt.extLength );
+ main_s = le32_to_cpu(anchor->mainVolDescSeqExt.extLocation);
+ main_e = le32_to_cpu(anchor->mainVolDescSeqExt.extLength );
main_e = main_e >> sb->s_blocksize_bits;
main_e += main_s;
@@ -1336,8 +1269,7 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
/* Process the main & reserve sequences */
/* responsible for finding the PartitionDesc(s) */
if (!(udf_process_sequence(sb, main_s, main_e, fileset) &&
- udf_process_sequence(sb, reserve_s, reserve_e, fileset)))
- {
+ udf_process_sequence(sb, reserve_s, reserve_e, fileset))) {
break;
}
}
@@ -1349,70 +1281,68 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
} else
udf_debug("Using anchor in block %d\n", UDF_SB_ANCHOR(sb)[i]);
- for (i=0; i<UDF_SB_NUMPARTS(sb); i++)
- {
- switch (UDF_SB_PARTTYPE(sb, i))
- {
- case UDF_VIRTUAL_MAP15:
- case UDF_VIRTUAL_MAP20:
- {
- kernel_lb_addr ino;
-
- if (!UDF_SB_LASTBLOCK(sb))
- {
- UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
- udf_find_anchor(sb);
- }
+ for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
+ kernel_lb_addr uninitialized_var(ino);
+ switch (UDF_SB_PARTTYPE(sb, i)) {
+ case UDF_VIRTUAL_MAP15:
+ case UDF_VIRTUAL_MAP20:
+ if (!UDF_SB_LASTBLOCK(sb)) {
+ UDF_SB_LASTBLOCK(sb) = udf_get_last_block(sb);
+ udf_find_anchor(sb);
+ }
- if (!UDF_SB_LASTBLOCK(sb))
- {
- udf_debug("Unable to determine Lastblock (For Virtual Partition)\n");
- return 1;
- }
+ if (!UDF_SB_LASTBLOCK(sb)) {
+ udf_debug("Unable to determine Lastblock (For "
+ "Virtual Partition)\n");
+ return 1;
+ }
- for (j=0; j<UDF_SB_NUMPARTS(sb); j++)
- {
- if (j != i &&
- UDF_SB_PARTVSN(sb,i) == UDF_SB_PARTVSN(sb,j) &&
- UDF_SB_PARTNUM(sb,i) == UDF_SB_PARTNUM(sb,j))
- {
- ino.partitionReferenceNum = j;
- ino.logicalBlockNum = UDF_SB_LASTBLOCK(sb) -
- UDF_SB_PARTROOT(sb,j);
- break;
- }
+ for (j = 0; j < UDF_SB_NUMPARTS(sb); j++) {
+ if (j != i && UDF_SB_PARTVSN(sb, i) ==
+ UDF_SB_PARTVSN(sb, j) &&
+ UDF_SB_PARTNUM(sb, i) ==
+ UDF_SB_PARTNUM(sb, j)) {
+ ino.partitionReferenceNum = j;
+ ino.logicalBlockNum =
+ UDF_SB_LASTBLOCK(sb) -
+ UDF_SB_PARTROOT(sb, j);
+ break;
}
+ }
- if (j == UDF_SB_NUMPARTS(sb))
- return 1;
+ if (j == UDF_SB_NUMPARTS(sb))
+ return 1;
- if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino)))
- return 1;
+ if (!(UDF_SB_VAT(sb) = udf_iget(sb, ino)))
+ return 1;
- if (UDF_SB_PARTTYPE(sb,i) == UDF_VIRTUAL_MAP15)
- {
- UDF_SB_TYPEVIRT(sb,i).s_start_offset = udf_ext0_offset(UDF_SB_VAT(sb));
- UDF_SB_TYPEVIRT(sb,i).s_num_entries = (UDF_SB_VAT(sb)->i_size - 36) >> 2;
- }
- else if (UDF_SB_PARTTYPE(sb,i) == UDF_VIRTUAL_MAP20)
- {
- struct buffer_head *bh = NULL;
- uint32_t pos;
+ if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP15) {
+ UDF_SB_TYPEVIRT(sb, i).s_start_offset =
+ udf_ext0_offset(UDF_SB_VAT(sb));
+ UDF_SB_TYPEVIRT(sb, i).s_num_entries =
+ (UDF_SB_VAT(sb)->i_size - 36) >> 2;
+ } else if (UDF_SB_PARTTYPE(sb, i) == UDF_VIRTUAL_MAP20) {
+ struct buffer_head *bh = NULL;
+ uint32_t pos;
- pos = udf_block_map(UDF_SB_VAT(sb), 0);
- bh = sb_bread(sb, pos);
- if (!bh)
- return 1;
- UDF_SB_TYPEVIRT(sb,i).s_start_offset =
- le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data + udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) +
- udf_ext0_offset(UDF_SB_VAT(sb));
- UDF_SB_TYPEVIRT(sb,i).s_num_entries = (UDF_SB_VAT(sb)->i_size -
- UDF_SB_TYPEVIRT(sb,i).s_start_offset) >> 2;
- brelse(bh);
- }
- UDF_SB_PARTROOT(sb,i) = udf_get_pblock(sb, 0, i, 0);
- UDF_SB_PARTLEN(sb,i) = UDF_SB_PARTLEN(sb,ino.partitionReferenceNum);
+ pos = udf_block_map(UDF_SB_VAT(sb), 0);
+ bh = sb_bread(sb, pos);
+ if (!bh)
+ return 1;
+ UDF_SB_TYPEVIRT(sb, i).s_start_offset =
+ le16_to_cpu(((struct
+ virtualAllocationTable20 *)bh->b_data +
+ udf_ext0_offset(UDF_SB_VAT(sb)))->
+ lengthHeader) +
+ udf_ext0_offset(UDF_SB_VAT(sb));
+ UDF_SB_TYPEVIRT(sb, i).s_num_entries =
+ (UDF_SB_VAT(sb)->i_size -
+ UDF_SB_TYPEVIRT(sb, i).s_start_offset) >> 2;
+ brelse(bh);
}
+ UDF_SB_PARTROOT(sb, i) = udf_get_pblock(sb, 0, i, 0);
+ UDF_SB_PARTLEN(sb, i) = UDF_SB_PARTLEN(sb,
+ ino.partitionReferenceNum);
}
}
return 0;
@@ -1420,26 +1350,28 @@ udf_load_partition(struct super_block *sb, kernel_lb_addr *fileset)
static void udf_open_lvid(struct super_block *sb)
{
- if (UDF_SB_LVIDBH(sb))
- {
+ if (UDF_SB_LVIDBH(sb)) {
int i;
kernel_timestamp cpu_time;
UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
- UDF_SB_LVID(sb)->recordingDateAndTime = cpu_to_lets(cpu_time);
+ UDF_SB_LVID(sb)->recordingDateAndTime =
+ cpu_to_lets(cpu_time);
UDF_SB_LVID(sb)->integrityType = LVID_INTEGRITY_TYPE_OPEN;
UDF_SB_LVID(sb)->descTag.descCRC =
- cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
- le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0));
+ cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
+ le16_to_cpu(UDF_SB_LVID(sb)->descTag.
+ descCRCLength), 0));
UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++)
if (i != 4)
UDF_SB_LVID(sb)->descTag.tagChecksum +=
- ((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i];
+ ((uint8_t *) &
+ (UDF_SB_LVID(sb)->descTag))[i];
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
@@ -1447,12 +1379,11 @@ static void udf_open_lvid(struct super_block *sb)
static void udf_close_lvid(struct super_block *sb)
{
- if (UDF_SB_LVIDBH(sb) &&
- UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN)
- {
- int i;
- kernel_timestamp cpu_time;
+ kernel_timestamp cpu_time;
+ int i;
+ if (UDF_SB_LVIDBH(sb) &&
+ UDF_SB_LVID(sb)->integrityType == LVID_INTEGRITY_TYPE_OPEN) {
UDF_SB_LVIDIU(sb)->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
UDF_SB_LVIDIU(sb)->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
if (udf_time_to_stamp(&cpu_time, CURRENT_TIME))
@@ -1467,10 +1398,10 @@ static void udf_close_lvid(struct super_block *sb)
UDF_SB_LVID(sb)->descTag.descCRC =
cpu_to_le16(udf_crc((char *)UDF_SB_LVID(sb) + sizeof(tag),
- le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0));
+ le16_to_cpu(UDF_SB_LVID(sb)->descTag.descCRCLength), 0));
UDF_SB_LVID(sb)->descTag.tagChecksum = 0;
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++)
if (i != 4)
UDF_SB_LVID(sb)->descTag.tagChecksum +=
((uint8_t *)&(UDF_SB_LVID(sb)->descTag))[i];
@@ -1498,7 +1429,7 @@ static void udf_close_lvid(struct super_block *sb)
static int udf_fill_super(struct super_block *sb, void *options, int silent)
{
int i;
- struct inode *inode=NULL;
+ struct inode *inode = NULL;
struct udf_options uopt;
kernel_lb_addr rootdir, fileset;
struct udf_sb_info *sbi;
@@ -1511,6 +1442,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
sbi = kmalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
if (!sbi)
return -ENOMEM;
+
sb->s_fs_info = sbi;
memset(UDF_SB(sb), 0x00, sizeof(struct udf_sb_info));
@@ -1520,15 +1452,13 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
goto error_out;
if (uopt.flags & (1 << UDF_FLAG_UTF8) &&
- uopt.flags & (1 << UDF_FLAG_NLS_MAP))
- {
+ uopt.flags & (1 << UDF_FLAG_NLS_MAP)) {
udf_error(sb, "udf_read_super",
- "utf8 cannot be combined with iocharset\n");
+ "utf8 cannot be combined with iocharset\n");
goto error_out;
}
#ifdef CONFIG_UDF_NLS
- if ((uopt.flags & (1 << UDF_FLAG_NLS_MAP)) && !uopt.nls_map)
- {
+ if ((uopt.flags & (1 << UDF_FLAG_NLS_MAP)) && !uopt.nls_map) {
uopt.nls_map = load_nls_default();
if (!uopt.nls_map)
uopt.flags &= ~(1 << UDF_FLAG_NLS_MAP);
@@ -1552,7 +1482,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
if (!udf_set_blocksize(sb, uopt.blocksize))
goto error_out;
- if ( uopt.session == 0xFFFFFFFF )
+ if (uopt.session == 0xFFFFFFFF)
UDF_SB_SESSION(sb) = udf_get_last_session(sb);
else
UDF_SB_SESSION(sb) = uopt.session;
@@ -1564,10 +1494,9 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
UDF_SB_ANCHOR(sb)[2] = uopt.anchor;
UDF_SB_ANCHOR(sb)[3] = 256;
- if (udf_check_valid(sb, uopt.novrs, silent)) /* read volume recognition sequences */
- {
+ if (udf_check_valid(sb, uopt.novrs, silent)) { /* read volume recognition sequences */
printk("UDF-fs: No VRS found\n");
- goto error_out;
+ goto error_out;
}
udf_find_anchor(sb);
@@ -1579,29 +1508,24 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
sb->s_magic = UDF_SUPER_MAGIC;
sb->s_time_gran = 1000;
- if (udf_load_partition(sb, &fileset))
- {
+ if (udf_load_partition(sb, &fileset)) {
printk("UDF-fs: No partition found (1)\n");
goto error_out;
}
udf_debug("Lastblock=%d\n", UDF_SB_LASTBLOCK(sb));
- if ( UDF_SB_LVIDBH(sb) )
- {
+ if (UDF_SB_LVIDBH(sb)) {
uint16_t minUDFReadRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev);
uint16_t minUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFWriteRev);
/* uint16_t maxUDFWriteRev = le16_to_cpu(UDF_SB_LVIDIU(sb)->maxUDFWriteRev); */
- if (minUDFReadRev > UDF_MAX_READ_VERSION)
- {
+ if (minUDFReadRev > UDF_MAX_READ_VERSION) {
printk("UDF-fs: minUDFReadRev=%x (max is %x)\n",
- le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev),
- UDF_MAX_READ_VERSION);
+ le16_to_cpu(UDF_SB_LVIDIU(sb)->minUDFReadRev),
+ UDF_MAX_READ_VERSION);
goto error_out;
- }
- else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION)
- {
+ } else if (minUDFWriteRev > UDF_MAX_WRITE_VERSION) {
sb->s_flags |= MS_RDONLY;
}
@@ -1613,8 +1537,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
UDF_SET_FLAG(sb, UDF_FLAG_USE_STREAMS);
}
- if ( !UDF_SB_NUMPARTS(sb) )
- {
+ if (!UDF_SB_NUMPARTS(sb)) {
printk("UDF-fs: No partition found (2)\n");
goto error_out;
}
@@ -1624,20 +1547,19 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
sb->s_flags |= MS_RDONLY;
}
- if ( udf_find_fileset(sb, &fileset, &rootdir) )
- {
+ if (udf_find_fileset(sb, &fileset, &rootdir)) {
printk("UDF-fs: No fileset found\n");
goto error_out;
}
- if (!silent)
- {
+ if (!silent) {
kernel_timestamp ts;
udf_time_to_stamp(&ts, UDF_SB_RECORDTIME(sb));
- udf_info("UDF %s (%s) Mounting volume '%s', timestamp %04u/%02u/%02u %02u:%02u (%x)\n",
- UDFFS_VERSION, UDFFS_DATE,
- UDF_SB_VOLIDENT(sb), ts.year, ts.month, ts.day, ts.hour, ts.minute,
- ts.typeAndTimezone);
+ udf_info("UDF %s (%s) Mounting volume '%s', "
+ "timestamp %04u/%02u/%02u %02u:%02u (%x)\n",
+ UDFFS_VERSION, UDFFS_DATE,
+ UDF_SB_VOLIDENT(sb), ts.year, ts.month, ts.day, ts.hour, ts.minute,
+ ts.typeAndTimezone);
}
if (!(sb->s_flags & MS_RDONLY))
udf_open_lvid(sb);
@@ -1645,18 +1567,16 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
/* Assign the root inode */
/* assign inodes by physical block number */
/* perhaps it's not extensible enough, but for now ... */
- inode = udf_iget(sb, rootdir);
- if (!inode)
- {
+ inode = udf_iget(sb, rootdir);
+ if (!inode) {
printk("UDF-fs: Error in udf_iget, block=%d, partition=%d\n",
- rootdir.logicalBlockNum, rootdir.partitionReferenceNum);
+ rootdir.logicalBlockNum, rootdir.partitionReferenceNum);
goto error_out;
}
/* Allocate a dentry for the root inode */
sb->s_root = d_alloc_root(inode);
- if (!sb->s_root)
- {
+ if (!sb->s_root) {
printk("UDF-fs: Couldn't allocate root dentry\n");
iput(inode);
goto error_out;
@@ -1667,19 +1587,17 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
error_out:
if (UDF_SB_VAT(sb))
iput(UDF_SB_VAT(sb));
- if (UDF_SB_NUMPARTS(sb))
- {
+ if (UDF_SB_NUMPARTS(sb)) {
if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
- UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb),s_uspace);
+ UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace);
if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
- UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb),s_fspace);
- if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15)
- {
- for (i=0; i<4; i++)
+ UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace);
+ if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) {
+ for (i = 0; i < 4; i++)
brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
}
}
@@ -1693,16 +1611,16 @@ error_out:
UDF_SB_FREE(sb);
kfree(sbi);
sb->s_fs_info = NULL;
+
return -EINVAL;
}
void udf_error(struct super_block *sb, const char *function,
- const char *fmt, ...)
+ const char *fmt, ...)
{
va_list args;
- if (!(sb->s_flags & MS_RDONLY))
- {
+ if (!(sb->s_flags & MS_RDONLY)) {
/* mark sb error */
sb->s_dirt = 1;
}
@@ -1714,15 +1632,15 @@ void udf_error(struct super_block *sb, const char *function,
}
void udf_warning(struct super_block *sb, const char *function,
- const char *fmt, ...)
+ const char *fmt, ...)
{
va_list args;
- va_start (args, fmt);
+ va_start(args, fmt);
vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
printk(KERN_WARNING "UDF-fs warning (device %s): %s: %s\n",
- sb->s_id, function, error_buf);
+ sb->s_id, function, error_buf);
}
/*
@@ -1738,26 +1656,23 @@ void udf_warning(struct super_block *sb, const char *function,
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
-static void
-udf_put_super(struct super_block *sb)
+static void udf_put_super(struct super_block *sb)
{
int i;
if (UDF_SB_VAT(sb))
iput(UDF_SB_VAT(sb));
- if (UDF_SB_NUMPARTS(sb))
- {
+ if (UDF_SB_NUMPARTS(sb)) {
if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
iput(UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
- UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb),s_uspace);
+ UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_uspace);
if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
- UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb),s_fspace);
- if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15)
- {
- for (i=0; i<4; i++)
+ UDF_SB_FREE_BITMAP(sb,UDF_SB_PARTITION(sb), s_fspace);
+ if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) {
+ for (i = 0; i < 4; i++)
brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]);
}
}
@@ -1786,8 +1701,7 @@ udf_put_super(struct super_block *sb)
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
-static int
-udf_statfs(struct dentry *dentry, struct kstatfs *buf)
+static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
@@ -1797,11 +1711,11 @@ udf_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_bfree = udf_count_free(sb);
buf->f_bavail = buf->f_bfree;
buf->f_files = (UDF_SB_LVIDBH(sb) ?
- (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) +
- le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree;
+ (le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) +
+ le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)) : 0) + buf->f_bfree;
buf->f_ffree = buf->f_bfree;
/* __kernel_fsid_t f_fsid */
- buf->f_namelen = UDF_NAME_LEN-2;
+ buf->f_namelen = UDF_NAME_LEN - 2;
return 0;
}
@@ -1810,8 +1724,7 @@ static unsigned char udf_bitmap_lookup[16] = {
0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4
};
-static unsigned int
-udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
+static unsigned int udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
{
struct buffer_head *bh = NULL;
unsigned int accum = 0;
@@ -1830,13 +1743,10 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
loc.partitionReferenceNum = UDF_SB_PARTITION(sb);
bh = udf_read_ptagged(sb, loc, 0, &ident);
- if (!bh)
- {
+ if (!bh) {
printk(KERN_ERR "udf: udf_count_free failed\n");
goto out;
- }
- else if (ident != TAG_IDENT_SBD)
- {
+ } else if (ident != TAG_IDENT_SBD) {
brelse(bh);
printk(KERN_ERR "udf: udf_count_free failed\n");
goto out;
@@ -1847,23 +1757,19 @@ udf_count_free_bitmap(struct super_block *sb, struct udf_bitmap *bitmap)
index = sizeof(struct spaceBitmapDesc); /* offset in first block only */
ptr = (uint8_t *)bh->b_data;
- while ( bytes > 0 )
- {
- while ((bytes > 0) && (index < sb->s_blocksize))
- {
+ while (bytes > 0) {
+ while ((bytes > 0) && (index < sb->s_blocksize)) {
value = ptr[index];
- accum += udf_bitmap_lookup[ value & 0x0f ];
- accum += udf_bitmap_lookup[ value >> 4 ];
+ accum += udf_bitmap_lookup[value & 0x0f];
+ accum += udf_bitmap_lookup[value >> 4];
index++;
bytes--;
}
- if ( bytes )
- {
+ if (bytes) {
brelse(bh);
newblock = udf_get_lb_pblock(sb, loc, ++block);
bh = udf_tread(sb, newblock);
- if (!bh)
- {
+ if (!bh) {
udf_debug("read failed\n");
goto out;
}
@@ -1879,8 +1785,7 @@ out:
return accum;
}
-static unsigned int
-udf_count_free_table(struct super_block *sb, struct inode * table)
+static unsigned int udf_count_free_table(struct super_block *sb, struct inode *table)
{
unsigned int accum = 0;
uint32_t elen;
@@ -1894,26 +1799,23 @@ udf_count_free_table(struct super_block *sb, struct inode * table)
epos.offset = sizeof(struct unallocSpaceEntry);
epos.bh = NULL;
- while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1)
+ while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
accum += (elen >> table->i_sb->s_blocksize_bits);
+ }
brelse(epos.bh);
unlock_kernel();
return accum;
}
-
-static unsigned int
-udf_count_free(struct super_block *sb)
+
+static unsigned int udf_count_free(struct super_block *sb)
{
unsigned int accum = 0;
- if (UDF_SB_LVIDBH(sb))
- {
- if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > UDF_SB_PARTITION(sb))
- {
+ if (UDF_SB_LVIDBH(sb)) {
+ if (le32_to_cpu(UDF_SB_LVID(sb)->numOfPartitions) > UDF_SB_PARTITION(sb)) {
accum = le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]);
-
if (accum == 0xFFFFFFFF)
accum = 0;
}
@@ -1922,28 +1824,24 @@ udf_count_free(struct super_block *sb)
if (accum)
return accum;
- if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP)
- {
+ if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_BITMAP) {
accum += udf_count_free_bitmap(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap);
+ UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_bitmap);
}
- if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP)
- {
+ if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_BITMAP) {
accum += udf_count_free_bitmap(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap);
+ UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_bitmap);
}
if (accum)
return accum;
- if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE)
- {
+ if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_UNALLOC_TABLE) {
accum += udf_count_free_table(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
+ UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_uspace.s_table);
}
- if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE)
- {
+ if (UDF_SB_PARTFLAGS(sb,UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_FREED_TABLE) {
accum += udf_count_free_table(sb,
- UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
+ UDF_SB_PARTMAPS(sb)[UDF_SB_PARTITION(sb)].s_fspace.s_table);
}
return accum;
diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index 12613b680cc4..e6f933dd6a7b 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -11,7 +11,7 @@
* Each contributing author retains all rights to their own work.
*
* (C) 1998-2001 Ben Fennema
- * (C) 1999 Stelias Computing Inc
+ * (C) 1999 Stelias Computing Inc
*
* HISTORY
*
@@ -39,35 +39,33 @@ static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen, char
int elen = 0;
char *p = to;
- while (elen < fromlen)
- {
+ while (elen < fromlen) {
pc = (struct pathComponent *)(from + elen);
- switch (pc->componentType)
- {
- case 1:
- if (pc->lengthComponentIdent == 0)
- {
- p = to;
- *p++ = '/';
- }
- break;
- case 3:
- memcpy(p, "../", 3);
- p += 3;
- break;
- case 4:
- memcpy(p, "./", 2);
- p += 2;
- /* that would be . - just ignore */
- break;
- case 5:
- p += udf_get_filename(sb, pc->componentIdent, p, pc->lengthComponentIdent);
+ switch (pc->componentType) {
+ case 1:
+ if (pc->lengthComponentIdent == 0) {
+ p = to;
*p++ = '/';
- break;
+ }
+ break;
+ case 3:
+ memcpy(p, "../", 3);
+ p += 3;
+ break;
+ case 4:
+ memcpy(p, "./", 2);
+ p += 2;
+ /* that would be . - just ignore */
+ break;
+ case 5:
+ p += udf_get_filename(sb, pc->componentIdent, p,
+ pc->lengthComponentIdent);
+ *p++ = '/';
+ break;
}
elen += sizeof(struct pathComponent) + pc->lengthComponentIdent;
}
- if (p > to+1)
+ if (p > to + 1)
p[-1] = '\0';
else
p[0] = '\0';
@@ -82,10 +80,9 @@ static int udf_symlink_filler(struct file *file, struct page *page)
char *p = kmap(page);
lock_kernel();
- if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
+ if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
symlink = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
- else
- {
+ } else {
bh = sb_bread(inode->i_sb, udf_block_map(inode, 0));
if (!bh)
@@ -102,6 +99,7 @@ static int udf_symlink_filler(struct file *file, struct page *page)
kunmap(page);
unlock_page(page);
return 0;
+
out:
unlock_kernel();
SetPageError(page);
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index 60d277644248..7fc3912885a5 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -28,35 +28,36 @@
#include "udf_i.h"
#include "udf_sb.h"
-static void extent_trunc(struct inode * inode, struct extent_position *epos,
- kernel_lb_addr eloc, int8_t etype, uint32_t elen, uint32_t nelen)
+static void extent_trunc(struct inode *inode, struct extent_position *epos,
+ kernel_lb_addr eloc, int8_t etype, uint32_t elen,
+ uint32_t nelen)
{
- kernel_lb_addr neloc = { 0, 0 };
- int last_block = (elen + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
- int first_block = (nelen + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
+ kernel_lb_addr neloc = {};
+ int last_block = (elen + inode->i_sb->s_blocksize - 1) >>
+ inode->i_sb->s_blocksize_bits;
+ int first_block = (nelen + inode->i_sb->s_blocksize - 1) >>
+ inode->i_sb->s_blocksize_bits;
- if (nelen)
- {
- if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30))
- {
- udf_free_blocks(inode->i_sb, inode, eloc, 0, last_block);
+ if (nelen) {
+ if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
+ udf_free_blocks(inode->i_sb, inode, eloc, 0,
+ last_block);
etype = (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30);
- }
- else
+ } else
neloc = eloc;
nelen = (etype << 30) | nelen;
}
- if (elen != nelen)
- {
+ if (elen != nelen) {
udf_write_aext(inode, epos, neloc, nelen, 0);
- if (last_block - first_block > 0)
- {
+ if (last_block - first_block > 0) {
if (etype == (EXT_RECORDED_ALLOCATED >> 30))
mark_inode_dirty(inode);
if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
- udf_free_blocks(inode->i_sb, inode, eloc, first_block, last_block - first_block);
+ udf_free_blocks(inode->i_sb, inode, eloc,
+ first_block,
+ last_block - first_block);
}
}
}
@@ -67,7 +68,7 @@ static void extent_trunc(struct inode * inode, struct extent_position *epos,
*/
void udf_truncate_tail_extent(struct inode *inode)
{
- struct extent_position epos = { NULL, 0, {0, 0}};
+ struct extent_position epos = {};
kernel_lb_addr eloc;
uint32_t elen, nelen;
uint64_t lbcount = 0;
@@ -89,8 +90,7 @@ void udf_truncate_tail_extent(struct inode *inode)
BUG();
/* Find the last extent in the file */
- while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1)
- {
+ while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {
etype = netype;
lbcount += elen;
if (lbcount > inode->i_size) {
@@ -123,7 +123,7 @@ void udf_truncate_tail_extent(struct inode *inode)
void udf_discard_prealloc(struct inode *inode)
{
- struct extent_position epos = { NULL, 0, {0, 0}};
+ struct extent_position epos = { NULL, 0, {0, 0} };
kernel_lb_addr eloc;
uint32_t elen;
uint64_t lbcount = 0;
@@ -131,7 +131,7 @@ void udf_discard_prealloc(struct inode *inode)
int adsize;
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB ||
- inode->i_size == UDF_I_LENEXTENTS(inode))
+ inode->i_size == UDF_I_LENEXTENTS(inode))
return;
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
@@ -153,15 +153,21 @@ void udf_discard_prealloc(struct inode *inode)
lbcount -= elen;
extent_trunc(inode, &epos, eloc, etype, elen, 0);
if (!epos.bh) {
- UDF_I_LENALLOC(inode) = epos.offset - udf_file_entry_alloc_offset(inode);
+ UDF_I_LENALLOC(inode) =
+ epos.offset - udf_file_entry_alloc_offset(inode);
mark_inode_dirty(inode);
} else {
- struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data);
- aed->lengthAllocDescs = cpu_to_le32(epos.offset - sizeof(struct allocExtDesc));
- if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
+ struct allocExtDesc *aed =
+ (struct allocExtDesc *)(epos.bh->b_data);
+ aed->lengthAllocDescs =
+ cpu_to_le32(epos.offset -
+ sizeof(struct allocExtDesc));
+ if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
udf_update_tag(epos.bh->b_data, epos.offset);
else
- udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc));
+ udf_update_tag(epos.bh->b_data,
+ sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos.bh, inode);
}
}
@@ -171,10 +177,10 @@ void udf_discard_prealloc(struct inode *inode)
brelse(epos.bh);
}
-void udf_truncate_extents(struct inode * inode)
+void udf_truncate_extents(struct inode *inode)
{
struct extent_position epos;
- kernel_lb_addr eloc, neloc = { 0, 0 };
+ kernel_lb_addr eloc, neloc = {};
uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc;
int8_t etype;
struct super_block *sb = inode->i_sb;
@@ -190,9 +196,9 @@ void udf_truncate_extents(struct inode * inode)
BUG();
etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset);
- byte_offset = (offset << sb->s_blocksize_bits) + (inode->i_size & (sb->s_blocksize-1));
- if (etype != -1)
- {
+ byte_offset = (offset << sb->s_blocksize_bits) +
+ (inode->i_size & (sb->s_blocksize - 1));
+ if (etype != -1) {
epos.offset -= adsize;
extent_trunc(inode, &epos, eloc, etype, elen, byte_offset);
epos.offset += adsize;
@@ -206,35 +212,33 @@ void udf_truncate_extents(struct inode * inode)
else
lenalloc -= sizeof(struct allocExtDesc);
- while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1)
- {
- if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30))
- {
+ while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1) {
+ if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
udf_write_aext(inode, &epos, neloc, nelen, 0);
- if (indirect_ext_len)
- {
+ if (indirect_ext_len) {
/* We managed to free all extents in the
* indirect extent - free it too */
if (!epos.bh)
BUG();
- udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len);
- }
- else
- {
- if (!epos.bh)
- {
+ udf_free_blocks(sb, inode, epos.block,
+ 0, indirect_ext_len);
+ } else {
+ if (!epos.bh) {
UDF_I_LENALLOC(inode) = lenalloc;
mark_inode_dirty(inode);
- }
- else
- {
- struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data);
- aed->lengthAllocDescs = cpu_to_le32(lenalloc);
- if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201)
- udf_update_tag(epos.bh->b_data, lenalloc +
- sizeof(struct allocExtDesc));
+ } else {
+ struct allocExtDesc *aed =
+ (struct allocExtDesc *)(epos.bh->b_data);
+ aed->lengthAllocDescs =
+ cpu_to_le32(lenalloc);
+ if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(sb) >= 0x0201)
+ udf_update_tag(epos.bh->b_data,
+ lenalloc +
+ sizeof(struct allocExtDesc));
else
- udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc));
+ udf_update_tag(epos.bh->b_data,
+ sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos.bh, inode);
}
}
@@ -243,49 +247,41 @@ void udf_truncate_extents(struct inode * inode)
epos.block = eloc;
epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0));
if (elen)
- indirect_ext_len = (elen +
- sb->s_blocksize - 1) >>
+ indirect_ext_len = (elen + sb->s_blocksize -1) >>
sb->s_blocksize_bits;
else
indirect_ext_len = 1;
- }
- else
- {
+ } else {
extent_trunc(inode, &epos, eloc, etype, elen, 0);
epos.offset += adsize;
}
}
- if (indirect_ext_len)
- {
+ if (indirect_ext_len) {
if (!epos.bh)
BUG();
- udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len);
- }
- else
- {
- if (!epos.bh)
- {
+ udf_free_blocks(sb, inode, epos.block, 0,
+ indirect_ext_len);
+ } else {
+ if (!epos.bh) {
UDF_I_LENALLOC(inode) = lenalloc;
mark_inode_dirty(inode);
- }
- else
- {
- struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data);
+ } else {
+ struct allocExtDesc *aed =
+ (struct allocExtDesc *)(epos.bh->b_data);
aed->lengthAllocDescs = cpu_to_le32(lenalloc);
- if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201)
- udf_update_tag(epos.bh->b_data, lenalloc +
- sizeof(struct allocExtDesc));
+ if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) ||
+ UDF_SB_UDFREV(sb) >= 0x0201)
+ udf_update_tag(epos.bh->b_data,
+ lenalloc + sizeof(struct allocExtDesc));
else
- udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc));
+ udf_update_tag(epos.bh->b_data,
+ sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos.bh, inode);
}
}
- }
- else if (inode->i_size)
- {
- if (byte_offset)
- {
+ } else if (inode->i_size) {
+ if (byte_offset) {
kernel_long_ad extent;
/*
@@ -293,21 +289,23 @@ void udf_truncate_extents(struct inode * inode)
* no extent above inode->i_size => truncate is
* extending the file by 'offset' blocks.
*/
- if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) ||
+ if ((!epos.bh &&
+ epos.offset == udf_file_entry_alloc_offset(inode)) ||
(epos.bh && epos.offset == sizeof(struct allocExtDesc))) {
/* File has no extents at all or has empty last
* indirect extent! Create a fake extent... */
extent.extLocation.logicalBlockNum = 0;
extent.extLocation.partitionReferenceNum = 0;
extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED;
- }
- else {
+ } else {
epos.offset -= adsize;
etype = udf_next_aext(inode, &epos,
- &extent.extLocation, &extent.extLength, 0);
+ &extent.extLocation,
+ &extent.extLength, 0);
extent.extLength |= etype << 30;
}
- udf_extend_file(inode, &epos, &extent, offset+((inode->i_size & (sb->s_blocksize-1)) != 0));
+ udf_extend_file(inode, &epos, &extent,
+ offset + ((inode->i_size & (sb->s_blocksize - 1)) != 0));
}
}
UDF_I_LENEXTENTS(inode) = inode->i_size;
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index 3b2e6c8cb151..3c2982017c6d 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -24,6 +24,8 @@
#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */
#define UDF_FLAG_GID_FORGET 13
#define UDF_FLAG_GID_IGNORE 14
+#define UDF_FLAG_UID_SET 15
+#define UDF_FLAG_GID_SET 16
#define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001
#define UDF_PART_FLAG_UNALLOC_TABLE 0x0002
@@ -41,8 +43,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
#define UDF_SB_FREE(X)\
{\
- if (UDF_SB(X))\
- {\
+ if (UDF_SB(X)) {\
kfree(UDF_SB_PARTMAPS(X));\
UDF_SB_PARTMAPS(X) = NULL;\
}\
@@ -51,13 +52,10 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
#define UDF_SB_ALLOC_PARTMAPS(X,Y)\
{\
UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\
- if (UDF_SB_PARTMAPS(X) != NULL)\
- {\
+ if (UDF_SB_PARTMAPS(X) != NULL) {\
UDF_SB_NUMPARTS(X) = Y;\
memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\
- }\
- else\
- {\
+ } else {\
UDF_SB_NUMPARTS(X) = 0;\
udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\
}\
@@ -72,15 +70,12 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(size, GFP_KERNEL);\
else\
UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = vmalloc(size);\
- if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL)\
- {\
+ if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL) {\
memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00, size);\
UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\
(struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\
UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\
- }\
- else\
- {\
+ } else {\
udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\
}\
}
@@ -90,8 +85,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
int i;\
int nr_groups = UDF_SB_BITMAP_NR_GROUPS(X,Y,Z);\
int size = sizeof(struct udf_bitmap) + (sizeof(struct buffer_head *) * nr_groups);\
- for (i=0; i<nr_groups; i++)\
- {\
+ for (i = 0; i < nr_groups; i++) {\
if (UDF_SB_BITMAP(X,Y,Z,i))\
brelse(UDF_SB_BITMAP(X,Y,Z,i));\
}\
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index f581f2f69c0f..c8016cc9e7e6 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -50,30 +50,26 @@ extern const struct address_space_operations udf_aops;
extern const struct address_space_operations udf_adinicb_aops;
extern const struct address_space_operations udf_symlink_aops;
-struct udf_fileident_bh
-{
+struct udf_fileident_bh {
struct buffer_head *sbh;
struct buffer_head *ebh;
int soffset;
int eoffset;
};
-struct udf_vds_record
-{
+struct udf_vds_record {
uint32_t block;
uint32_t volDescSeqNum;
};
-struct generic_desc
-{
+struct generic_desc {
tag descTag;
__le32 volDescSeqNum;
};
-struct ustr
-{
+struct ustr {
uint8_t u_cmpID;
- uint8_t u_name[UDF_NAME_LEN-2];
+ uint8_t u_name[UDF_NAME_LEN - 2];
uint8_t u_len;
};
@@ -83,44 +79,58 @@ struct extent_position {
kernel_lb_addr block;
};
-
/* super.c */
extern void udf_error(struct super_block *, const char *, const char *, ...);
extern void udf_warning(struct super_block *, const char *, const char *, ...);
/* namei.c */
-extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, struct fileIdentDesc *, struct udf_fileident_bh *, uint8_t *, uint8_t *);
+extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
+ struct fileIdentDesc *, struct udf_fileident_bh *,
+ uint8_t *, uint8_t *);
/* file.c */
-extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+extern int udf_ioctl(struct inode *, struct file *, unsigned int,
+ unsigned long);
/* inode.c */
extern struct inode *udf_iget(struct super_block *, kernel_lb_addr);
extern int udf_sync_inode(struct inode *);
extern void udf_expand_file_adinicb(struct inode *, int, int *);
-extern struct buffer_head * udf_expand_dir_adinicb(struct inode *, int *, int *);
-extern struct buffer_head * udf_bread(struct inode *, int, int, int *);
+extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
+extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
extern void udf_truncate(struct inode *);
extern void udf_read_inode(struct inode *);
extern void udf_delete_inode(struct inode *);
extern void udf_clear_inode(struct inode *);
extern int udf_write_inode(struct inode *, int);
extern long udf_block_map(struct inode *, sector_t);
-extern int udf_extend_file(struct inode *, struct extent_position *, kernel_long_ad *, sector_t);
-extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *);
-extern int8_t udf_add_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int);
-extern int8_t udf_write_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int);
-extern int8_t udf_delete_aext(struct inode *, struct extent_position, kernel_lb_addr, uint32_t);
-extern int8_t udf_next_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int);
-extern int8_t udf_current_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int);
+extern int udf_extend_file(struct inode *, struct extent_position *,
+ kernel_long_ad *, sector_t);
+extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
+ kernel_lb_addr *, uint32_t *, sector_t *);
+extern int8_t udf_add_aext(struct inode *, struct extent_position *,
+ kernel_lb_addr, uint32_t, int);
+extern int8_t udf_write_aext(struct inode *, struct extent_position *,
+ kernel_lb_addr, uint32_t, int);
+extern int8_t udf_delete_aext(struct inode *, struct extent_position,
+ kernel_lb_addr, uint32_t);
+extern int8_t udf_next_aext(struct inode *, struct extent_position *,
+ kernel_lb_addr *, uint32_t *, int);
+extern int8_t udf_current_aext(struct inode *, struct extent_position *,
+ kernel_lb_addr *, uint32_t *, int);
/* misc.c */
extern struct buffer_head *udf_tgetblk(struct super_block *, int);
extern struct buffer_head *udf_tread(struct super_block *, int);
-extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint32_t, uint8_t);
-extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t);
-extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *);
-extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *);
+extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
+ uint32_t, uint8_t);
+extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
+ uint8_t);
+extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
+ uint32_t, uint16_t *);
+extern struct buffer_head *udf_read_ptagged(struct super_block *,
+ kernel_lb_addr, uint32_t,
+ uint16_t *);
extern void udf_update_tag(char *, int);
extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
@@ -129,21 +139,26 @@ extern unsigned int udf_get_last_session(struct super_block *);
extern unsigned long udf_get_last_block(struct super_block *);
/* partition.c */
-extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, uint32_t);
-extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, uint32_t);
-extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, uint32_t);
-extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, uint32_t);
+extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
+ uint32_t);
+extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
+ uint32_t);
+extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
+ uint32_t);
+extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
+ uint32_t);
extern int udf_relocate_blocks(struct super_block *, long, long *);
/* unicode.c */
extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
-extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, int);
+extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
+ int);
extern int udf_build_ustr(struct ustr *, dstring *, int);
extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
/* ialloc.c */
extern void udf_free_inode(struct inode *);
-extern struct inode * udf_new_inode (struct inode *, int, int *);
+extern struct inode *udf_new_inode(struct inode *, int, int *);
/* truncate.c */
extern void udf_truncate_tail_extent(struct inode *);
@@ -151,18 +166,27 @@ extern void udf_discard_prealloc(struct inode *);
extern void udf_truncate_extents(struct inode *);
/* balloc.c */
-extern void udf_free_blocks(struct super_block *, struct inode *, kernel_lb_addr, uint32_t, uint32_t);
-extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, uint32_t, uint32_t);
-extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *);
+extern void udf_free_blocks(struct super_block *, struct inode *,
+ kernel_lb_addr, uint32_t, uint32_t);
+extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
+ uint32_t, uint32_t);
+extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
+ uint32_t, int *);
/* fsync.c */
extern int udf_fsync_file(struct file *, struct dentry *, int);
/* directory.c */
-extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *);
-extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset);
-extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int);
-extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int);
+extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,
+ struct udf_fileident_bh *,
+ struct fileIdentDesc *,
+ struct extent_position *,
+ kernel_lb_addr *, uint32_t *,
+ sector_t *);
+extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
+ int *offset);
+extern long_ad *udf_get_filelongad(uint8_t *, int, int *, int);
+extern short_ad *udf_get_fileshortad(uint8_t *, int, int *, int);
/* crc.c */
extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
@@ -171,4 +195,4 @@ extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
-#endif /* __UDF_DECL_H */
+#endif /* __UDF_DECL_H */
diff --git a/fs/udf/udfend.h b/fs/udf/udfend.h
index 17d378879561..c4bd1203f857 100644
--- a/fs/udf/udfend.h
+++ b/fs/udf/udfend.h
@@ -7,74 +7,92 @@
static inline kernel_lb_addr lelb_to_cpu(lb_addr in)
{
kernel_lb_addr out;
+
out.logicalBlockNum = le32_to_cpu(in.logicalBlockNum);
out.partitionReferenceNum = le16_to_cpu(in.partitionReferenceNum);
+
return out;
}
static inline lb_addr cpu_to_lelb(kernel_lb_addr in)
{
lb_addr out;
+
out.logicalBlockNum = cpu_to_le32(in.logicalBlockNum);
out.partitionReferenceNum = cpu_to_le16(in.partitionReferenceNum);
+
return out;
}
static inline kernel_timestamp lets_to_cpu(timestamp in)
{
kernel_timestamp out;
+
memcpy(&out, &in, sizeof(timestamp));
out.typeAndTimezone = le16_to_cpu(in.typeAndTimezone);
out.year = le16_to_cpu(in.year);
+
return out;
}
static inline short_ad lesa_to_cpu(short_ad in)
{
short_ad out;
+
out.extLength = le32_to_cpu(in.extLength);
out.extPosition = le32_to_cpu(in.extPosition);
+
return out;
}
static inline short_ad cpu_to_lesa(short_ad in)
{
short_ad out;
+
out.extLength = cpu_to_le32(in.extLength);
out.extPosition = cpu_to_le32(in.extPosition);
+
return out;
}
static inline kernel_long_ad lela_to_cpu(long_ad in)
{
kernel_long_ad out;
+
out.extLength = le32_to_cpu(in.extLength);
out.extLocation = lelb_to_cpu(in.extLocation);
+
return out;
}
static inline long_ad cpu_to_lela(kernel_long_ad in)
{
long_ad out;
+
out.extLength = cpu_to_le32(in.extLength);
out.extLocation = cpu_to_lelb(in.extLocation);
+
return out;
}
static inline kernel_extent_ad leea_to_cpu(extent_ad in)
{
kernel_extent_ad out;
+
out.extLength = le32_to_cpu(in.extLength);
out.extLocation = le32_to_cpu(in.extLocation);
+
return out;
}
static inline timestamp cpu_to_lets(kernel_timestamp in)
{
timestamp out;
+
memcpy(&out, &in, sizeof(timestamp));
out.typeAndTimezone = cpu_to_le16(in.typeAndTimezone);
out.year = cpu_to_le16(in.year);
+
return out;
}
diff --git a/fs/udf/udftime.c b/fs/udf/udftime.c
index 85d8dbe843f1..3fd80eb66af3 100644
--- a/fs/udf/udftime.c
+++ b/fs/udf/udftime.c
@@ -18,18 +18,18 @@
Boston, MA 02111-1307, USA. */
/*
- * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time
+ * dgb 10/02/98: ripped this from glibc source to help convert timestamps to unix time
* 10/04/98: added new table-based lookup after seeing how ugly the gnu code is
* blf 09/27/99: ripped out all the old code and inserted new table from
- * John Brockmeyer (without leap second corrections)
- * rewrote udf_stamp_to_time and fixed timezone accounting in
- udf_time_to_stamp.
+ * John Brockmeyer (without leap second corrections)
+ * rewrote udf_stamp_to_time and fixed timezone accounting in
+ * udf_time_to_stamp.
*/
/*
* We don't take into account leap seconds. This may be correct or incorrect.
* For more NIST information (especially dealing with leap seconds), see:
- * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm
+ * http://www.boulder.nist.gov/timefreq/pubs/bulletin/leapsecond.htm
*/
#include <linux/types.h>
@@ -46,36 +46,35 @@
#endif
/* How many days come before each month (0-12). */
-static const unsigned short int __mon_yday[2][13] =
-{
+static const unsigned short int __mon_yday[2][13] = {
/* Normal years. */
- { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
+ {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
/* Leap years. */
- { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
+ {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366}
};
#define MAX_YEAR_SECONDS 69
-#define SPD 0x15180 /*3600*24*/
-#define SPY(y,l,s) (SPD * (365*y+l)+s)
+#define SPD 0x15180 /*3600*24 */
+#define SPY(y,l,s) (SPD * (365*y+l)+s)
static time_t year_seconds[MAX_YEAR_SECONDS]= {
-/*1970*/ SPY( 0, 0,0), SPY( 1, 0,0), SPY( 2, 0,0), SPY( 3, 1,0),
-/*1974*/ SPY( 4, 1,0), SPY( 5, 1,0), SPY( 6, 1,0), SPY( 7, 2,0),
-/*1978*/ SPY( 8, 2,0), SPY( 9, 2,0), SPY(10, 2,0), SPY(11, 3,0),
-/*1982*/ SPY(12, 3,0), SPY(13, 3,0), SPY(14, 3,0), SPY(15, 4,0),
-/*1986*/ SPY(16, 4,0), SPY(17, 4,0), SPY(18, 4,0), SPY(19, 5,0),
-/*1990*/ SPY(20, 5,0), SPY(21, 5,0), SPY(22, 5,0), SPY(23, 6,0),
-/*1994*/ SPY(24, 6,0), SPY(25, 6,0), SPY(26, 6,0), SPY(27, 7,0),
-/*1998*/ SPY(28, 7,0), SPY(29, 7,0), SPY(30, 7,0), SPY(31, 8,0),
-/*2002*/ SPY(32, 8,0), SPY(33, 8,0), SPY(34, 8,0), SPY(35, 9,0),
-/*2006*/ SPY(36, 9,0), SPY(37, 9,0), SPY(38, 9,0), SPY(39,10,0),
-/*2010*/ SPY(40,10,0), SPY(41,10,0), SPY(42,10,0), SPY(43,11,0),
-/*2014*/ SPY(44,11,0), SPY(45,11,0), SPY(46,11,0), SPY(47,12,0),
-/*2018*/ SPY(48,12,0), SPY(49,12,0), SPY(50,12,0), SPY(51,13,0),
-/*2022*/ SPY(52,13,0), SPY(53,13,0), SPY(54,13,0), SPY(55,14,0),
-/*2026*/ SPY(56,14,0), SPY(57,14,0), SPY(58,14,0), SPY(59,15,0),
-/*2030*/ SPY(60,15,0), SPY(61,15,0), SPY(62,15,0), SPY(63,16,0),
-/*2034*/ SPY(64,16,0), SPY(65,16,0), SPY(66,16,0), SPY(67,17,0),
+/*1970*/ SPY( 0, 0,0), SPY( 1, 0,0), SPY( 2, 0,0), SPY( 3, 1,0),
+/*1974*/ SPY( 4, 1,0), SPY( 5, 1,0), SPY( 6, 1,0), SPY( 7, 2,0),
+/*1978*/ SPY( 8, 2,0), SPY( 9, 2,0), SPY(10, 2,0), SPY(11, 3,0),
+/*1982*/ SPY(12, 3,0), SPY(13, 3,0), SPY(14, 3,0), SPY(15, 4,0),
+/*1986*/ SPY(16, 4,0), SPY(17, 4,0), SPY(18, 4,0), SPY(19, 5,0),
+/*1990*/ SPY(20, 5,0), SPY(21, 5,0), SPY(22, 5,0), SPY(23, 6,0),
+/*1994*/ SPY(24, 6,0), SPY(25, 6,0), SPY(26, 6,0), SPY(27, 7,0),
+/*1998*/ SPY(28, 7,0), SPY(29, 7,0), SPY(30, 7,0), SPY(31, 8,0),
+/*2002*/ SPY(32, 8,0), SPY(33, 8,0), SPY(34, 8,0), SPY(35, 9,0),
+/*2006*/ SPY(36, 9,0), SPY(37, 9,0), SPY(38, 9,0), SPY(39,10,0),
+/*2010*/ SPY(40,10,0), SPY(41,10,0), SPY(42,10,0), SPY(43,11,0),
+/*2014*/ SPY(44,11,0), SPY(45,11,0), SPY(46,11,0), SPY(47,12,0),
+/*2018*/ SPY(48,12,0), SPY(49,12,0), SPY(50,12,0), SPY(51,13,0),
+/*2022*/ SPY(52,13,0), SPY(53,13,0), SPY(54,13,0), SPY(55,14,0),
+/*2026*/ SPY(56,14,0), SPY(57,14,0), SPY(58,14,0), SPY(59,15,0),
+/*2030*/ SPY(60,15,0), SPY(61,15,0), SPY(62,15,0), SPY(63,16,0),
+/*2034*/ SPY(64,16,0), SPY(65,16,0), SPY(66,16,0), SPY(67,17,0),
/*2038*/ SPY(68,17,0)
};
@@ -84,27 +83,24 @@ extern struct timezone sys_tz;
#define SECS_PER_HOUR (60 * 60)
#define SECS_PER_DAY (SECS_PER_HOUR * 24)
-time_t *
-udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
+time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
{
int yday;
uint8_t type = src.typeAndTimezone >> 12;
int16_t offset;
- if (type == 1)
- {
+ if (type == 1) {
offset = src.typeAndTimezone << 4;
/* sign extent offset */
offset = (offset >> 4);
if (offset == -2047) /* unspecified offset */
offset = 0;
- }
- else
+ } else {
offset = 0;
+ }
if ((src.year < EPOCH_YEAR) ||
- (src.year >= EPOCH_YEAR+MAX_YEAR_SECONDS))
- {
+ (src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) {
*dest = -1;
*dest_usec = -1;
return NULL;
@@ -113,15 +109,13 @@ udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
*dest -= offset * 60;
yday = ((__mon_yday[__isleap (src.year)]
- [src.month-1]) + (src.day-1));
- *dest += ( ( (yday* 24) + src.hour ) * 60 + src.minute ) * 60 + src.second;
+ [src.month - 1]) + (src.day - 1));
+ *dest += ( ( (yday * 24) + src.hour ) * 60 + src.minute ) * 60 + src.second;
*dest_usec = src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds;
return dest;
}
-
-kernel_timestamp *
-udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts)
+kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts)
{
long int days, rem, y;
const unsigned short int *ip;
@@ -146,19 +140,18 @@ udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts)
#define DIV(a,b) ((a) / (b) - ((a) % (b) < 0))
#define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))
- while (days < 0 || days >= (__isleap(y) ? 366 : 365))
- {
+ while (days < 0 || days >= (__isleap(y) ? 366 : 365)) {
long int yg = y + days / 365 - (days % 365 < 0);
/* Adjust DAYS and Y to match the guessed year. */
days -= ((yg - y) * 365
- + LEAPS_THRU_END_OF (yg - 1)
- - LEAPS_THRU_END_OF (y - 1));
+ + LEAPS_THRU_END_OF (yg - 1)
+ - LEAPS_THRU_END_OF (y - 1));
y = yg;
}
dest->year = y;
ip = __mon_yday[__isleap(y)];
- for (y = 11; days < (long int) ip[y]; --y)
+ for (y = 11; days < (long int)ip[y]; --y)
continue;
days -= ip[y];
dest->month = y + 1;
@@ -167,7 +160,7 @@ udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts)
dest->centiseconds = ts.tv_nsec / 10000000;
dest->hundredsOfMicroseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100;
dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 -
- dest->hundredsOfMicroseconds * 100);
+ dest->hundredsOfMicroseconds * 100);
return dest;
}
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 706c92e1dcc9..9e6099c26c27 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -31,12 +31,14 @@ static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int);
static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen)
{
- if ( (!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN-2) )
+ if ((!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN - 2))
return 0;
+
memset(dest, 0, sizeof(struct ustr));
memcpy(dest->u_name, src, strlen);
dest->u_cmpID = 0x08;
dest->u_len = strlen;
+
return strlen;
}
@@ -47,14 +49,15 @@ int udf_build_ustr(struct ustr *dest, dstring *ptr, int size)
{
int usesize;
- if ( (!dest) || (!ptr) || (!size) )
+ if ((!dest) || (!ptr) || (!size))
return -1;
memset(dest, 0, sizeof(struct ustr));
- usesize= (size > UDF_NAME_LEN) ? UDF_NAME_LEN : size;
- dest->u_cmpID=ptr[0];
- dest->u_len=ptr[size-1];
- memcpy(dest->u_name, ptr+1, usesize-1);
+ usesize = (size > UDF_NAME_LEN) ? UDF_NAME_LEN : size;
+ dest->u_cmpID = ptr[0];
+ dest->u_len = ptr[size - 1];
+ memcpy(dest->u_name, ptr + 1, usesize - 1);
+
return 0;
}
@@ -63,13 +66,14 @@ int udf_build_ustr(struct ustr *dest, dstring *ptr, int size)
*/
static int udf_build_ustr_exact(struct ustr *dest, dstring *ptr, int exactsize)
{
- if ( (!dest) || (!ptr) || (!exactsize) )
+ if ((!dest) || (!ptr) || (!exactsize))
return -1;
memset(dest, 0, sizeof(struct ustr));
- dest->u_cmpID=ptr[0];
- dest->u_len=exactsize-1;
- memcpy(dest->u_name, ptr+1, exactsize-1);
+ dest->u_cmpID = ptr[0];
+ dest->u_len = exactsize - 1;
+ memcpy(dest->u_name, ptr + 1, exactsize - 1);
+
return 0;
}
@@ -108,22 +112,20 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i)
cmp_id = ocu_i->u_cmpID;
utf_o->u_len = 0;
- if (ocu_len == 0)
- {
+ if (ocu_len == 0) {
memset(utf_o, 0, sizeof(struct ustr));
utf_o->u_cmpID = 0;
utf_o->u_len = 0;
return 0;
}
- if ((cmp_id != 8) && (cmp_id != 16))
- {
- printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n", cmp_id, ocu_i->u_name);
+ if ((cmp_id != 8) && (cmp_id != 16)) {
+ printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n",
+ cmp_id, ocu_i->u_name);
return 0;
}
- for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN-3)) ;)
- {
+ for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN - 3));) {
/* Expand OSTA compressed Unicode to Unicode */
c = ocu[i++];
@@ -131,21 +133,18 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i)
c = (c << 8) | ocu[i++];
/* Compress Unicode to UTF-8 */
- if (c < 0x80U)
+ if (c < 0x80U) {
utf_o->u_name[utf_o->u_len++] = (uint8_t)c;
- else if (c < 0x800U)
- {
+ } else if (c < 0x800U) {
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xc0 | (c >> 6));
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f));
- }
- else
- {
+ } else {
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xe0 | (c >> 12));
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | ((c >> 6) & 0x3f));
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f));
}
}
- utf_o->u_cmpID=8;
+ utf_o->u_cmpID = 8;
return utf_o->u_len;
}
@@ -186,61 +185,46 @@ try_again:
u_len = 0U;
utf_char = 0U;
utf_cnt = 0U;
- for (i = 0U; i < utf->u_len; i++)
- {
+ for (i = 0U; i < utf->u_len; i++) {
c = (uint8_t)utf->u_name[i];
/* Complete a multi-byte UTF-8 character */
- if (utf_cnt)
- {
+ if (utf_cnt) {
utf_char = (utf_char << 6) | (c & 0x3fU);
if (--utf_cnt)
continue;
- }
- else
- {
+ } else {
/* Check for a multi-byte UTF-8 character */
- if (c & 0x80U)
- {
+ if (c & 0x80U) {
/* Start a multi-byte UTF-8 character */
- if ((c & 0xe0U) == 0xc0U)
- {
+ if ((c & 0xe0U) == 0xc0U) {
utf_char = c & 0x1fU;
utf_cnt = 1;
- }
- else if ((c & 0xf0U) == 0xe0U)
- {
+ } else if ((c & 0xf0U) == 0xe0U) {
utf_char = c & 0x0fU;
utf_cnt = 2;
- }
- else if ((c & 0xf8U) == 0xf0U)
- {
+ } else if ((c & 0xf8U) == 0xf0U) {
utf_char = c & 0x07U;
utf_cnt = 3;
- }
- else if ((c & 0xfcU) == 0xf8U)
- {
+ } else if ((c & 0xfcU) == 0xf8U) {
utf_char = c & 0x03U;
utf_cnt = 4;
- }
- else if ((c & 0xfeU) == 0xfcU)
- {
+ } else if ((c & 0xfeU) == 0xfcU) {
utf_char = c & 0x01U;
utf_cnt = 5;
- }
- else
+ } else {
goto error_out;
+ }
continue;
- } else
+ } else {
/* Single byte UTF-8 character (most common) */
utf_char = c;
+ }
}
/* Choose no compression if necessary */
- if (utf_char > max_val)
- {
- if ( 0xffU == max_val )
- {
+ if (utf_char > max_val) {
+ if (max_val == 0xffU) {
max_val = 0xffffU;
ocu[0] = (uint8_t)0x10U;
goto try_again;
@@ -248,26 +232,25 @@ try_again:
goto error_out;
}
- if (max_val == 0xffffU)
- {
+ if (max_val == 0xffffU) {
ocu[++u_len] = (uint8_t)(utf_char >> 8);
}
ocu[++u_len] = (uint8_t)(utf_char & 0xffU);
}
-
- if (utf_cnt)
- {
+ if (utf_cnt) {
error_out:
ocu[++u_len] = '?';
printk(KERN_DEBUG "udf: bad UTF-8 character\n");
}
ocu[length - 1] = (uint8_t)u_len + 1;
+
return u_len + 1;
}
-static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, struct ustr *ocu_i)
+static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o,
+ struct ustr *ocu_i)
{
uint8_t *ocu;
uint32_t c;
@@ -280,36 +263,35 @@ static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, struct ustr *
cmp_id = ocu_i->u_cmpID;
utf_o->u_len = 0;
- if (ocu_len == 0)
- {
+ if (ocu_len == 0) {
memset(utf_o, 0, sizeof(struct ustr));
utf_o->u_cmpID = 0;
utf_o->u_len = 0;
return 0;
}
- if ((cmp_id != 8) && (cmp_id != 16))
- {
- printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n", cmp_id, ocu_i->u_name);
+ if ((cmp_id != 8) && (cmp_id != 16)) {
+ printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n",
+ cmp_id, ocu_i->u_name);
return 0;
}
- for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN-3)) ;)
- {
+ for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN - 3));) {
/* Expand OSTA compressed Unicode to Unicode */
c = ocu[i++];
if (cmp_id == 16)
c = (c << 8) | ocu[i++];
- utf_o->u_len += nls->uni2char(c, &utf_o->u_name[utf_o->u_len],
- UDF_NAME_LEN - utf_o->u_len);
+ utf_o->u_len += nls->uni2char(c, &utf_o->u_name[utf_o->u_len],
+ UDF_NAME_LEN - utf_o->u_len);
}
- utf_o->u_cmpID=8;
+ utf_o->u_cmpID = 8;
return utf_o->u_len;
}
-static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni, int length)
+static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni,
+ int length)
{
unsigned len, i, max_val;
uint16_t uni_char;
@@ -321,19 +303,17 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni, i
try_again:
u_len = 0U;
- for (i = 0U; i < uni->u_len; i++)
- {
- len = nls->char2uni(&uni->u_name[i], uni->u_len-i, &uni_char);
+ for (i = 0U; i < uni->u_len; i++) {
+ len = nls->char2uni(&uni->u_name[i], uni->u_len - i, &uni_char);
if (len <= 0)
continue;
- if (uni_char > max_val)
- {
+ if (uni_char > max_val) {
max_val = 0xffffU;
ocu[0] = (uint8_t)0x10U;
goto try_again;
}
-
+
if (max_val == 0xffffU)
ocu[++u_len] = (uint8_t)(uni_char >> 8);
ocu[++u_len] = (uint8_t)(uni_char & 0xffU);
@@ -344,112 +324,98 @@ try_again:
return u_len + 1;
}
-int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname, int flen)
+int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
+ int flen)
{
struct ustr filename, unifilename;
int len;
- if (udf_build_ustr_exact(&unifilename, sname, flen))
- {
+ if (udf_build_ustr_exact(&unifilename, sname, flen)) {
return 0;
}
- if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8))
- {
- if (!udf_CS0toUTF8(&filename, &unifilename) )
- {
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
+ if (!udf_CS0toUTF8(&filename, &unifilename)) {
udf_debug("Failed in udf_get_filename: sname = %s\n", sname);
return 0;
}
- }
- else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
- {
- if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename, &unifilename) )
- {
+ } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) {
+ if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename, &unifilename)) {
udf_debug("Failed in udf_get_filename: sname = %s\n", sname);
return 0;
}
- }
- else
+ } else {
return 0;
+ }
- if ((len = udf_translate_to_linux(dname, filename.u_name, filename.u_len,
- unifilename.u_name, unifilename.u_len)))
- {
+ len = udf_translate_to_linux(dname, filename.u_name, filename.u_len,
+ unifilename.u_name, unifilename.u_len);
+ if (len) {
return len;
}
+
return 0;
}
-int udf_put_filename(struct super_block *sb, const uint8_t *sname, uint8_t *dname, int flen)
+int udf_put_filename(struct super_block *sb, const uint8_t *sname,
+ uint8_t *dname, int flen)
{
struct ustr unifilename;
int namelen;
- if ( !(udf_char_to_ustr(&unifilename, sname, flen)) )
- {
+ if (!(udf_char_to_ustr(&unifilename, sname, flen))) {
return 0;
}
- if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8))
- {
- if ( !(namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN)) )
- {
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
+ namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN);
+ if (!namelen) {
return 0;
}
- }
- else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
- {
- if ( !(namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, UDF_NAME_LEN)) )
- {
+ } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) {
+ namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, UDF_NAME_LEN);
+ if (!namelen) {
return 0;
}
- }
- else
+ } else {
return 0;
+ }
return namelen;
}
#define ILLEGAL_CHAR_MARK '_'
-#define EXT_MARK '.'
-#define CRC_MARK '#'
-#define EXT_SIZE 5
+#define EXT_MARK '.'
+#define CRC_MARK '#'
+#define EXT_SIZE 5
-static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen, uint8_t *fidName, int fidNameLen)
+static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen,
+ uint8_t *fidName, int fidNameLen)
{
- int index, newIndex = 0, needsCRC = 0;
+ int index, newIndex = 0, needsCRC = 0;
int extIndex = 0, newExtIndex = 0, hasExt = 0;
unsigned short valueCRC;
uint8_t curr;
const uint8_t hexChar[] = "0123456789ABCDEF";
- if (udfName[0] == '.' && (udfLen == 1 ||
- (udfLen == 2 && udfName[1] == '.')))
- {
+ if (udfName[0] == '.' &&
+ (udfLen == 1 || (udfLen == 2 && udfName[1] == '.'))) {
needsCRC = 1;
newIndex = udfLen;
memcpy(newName, udfName, udfLen);
- }
- else
- {
- for (index = 0; index < udfLen; index++)
- {
+ } else {
+ for (index = 0; index < udfLen; index++) {
curr = udfName[index];
- if (curr == '/' || curr == 0)
- {
+ if (curr == '/' || curr == 0) {
needsCRC = 1;
curr = ILLEGAL_CHAR_MARK;
- while (index+1 < udfLen && (udfName[index+1] == '/' ||
- udfName[index+1] == 0))
+ while (index + 1 < udfLen && (udfName[index + 1] == '/' ||
+ udfName[index + 1] == 0))
index++;
- }
- if (curr == EXT_MARK && (udfLen - index - 1) <= EXT_SIZE)
- {
- if (udfLen == index + 1)
+ } if (curr == EXT_MARK && (udfLen - index - 1) <= EXT_SIZE) {
+ if (udfLen == index + 1) {
hasExt = 0;
- else
- {
+ } else {
hasExt = 1;
extIndex = index;
newExtIndex = newIndex;
@@ -461,26 +427,22 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
needsCRC = 1;
}
}
- if (needsCRC)
- {
+ if (needsCRC) {
uint8_t ext[EXT_SIZE];
int localExtIndex = 0;
- if (hasExt)
- {
+ if (hasExt) {
int maxFilenameLen;
- for(index = 0; index<EXT_SIZE && extIndex + index +1 < udfLen;
- index++ )
- {
+ for(index = 0; index < EXT_SIZE && extIndex + index + 1 < udfLen; index++) {
curr = udfName[extIndex + index + 1];
- if (curr == '/' || curr == 0)
- {
+ if (curr == '/' || curr == 0) {
needsCRC = 1;
curr = ILLEGAL_CHAR_MARK;
- while(extIndex + index + 2 < udfLen && (index + 1 < EXT_SIZE
- && (udfName[extIndex + index + 2] == '/' ||
- udfName[extIndex + index + 2] == 0)))
+ while(extIndex + index + 2 < udfLen &&
+ (index + 1 < EXT_SIZE
+ && (udfName[extIndex + index + 2] == '/' ||
+ udfName[extIndex + index + 2] == 0)))
index++;
}
ext[localExtIndex++] = curr;
@@ -490,9 +452,9 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
newIndex = maxFilenameLen;
else
newIndex = newExtIndex;
- }
- else if (newIndex > 250)
+ } else if (newIndex > 250) {
newIndex = 250;
+ }
newName[newIndex++] = CRC_MARK;
valueCRC = udf_crc(fidName, fidNameLen, 0);
newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12];
@@ -500,12 +462,12 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
newName[newIndex++] = hexChar[(valueCRC & 0x00f0) >> 4];
newName[newIndex++] = hexChar[(valueCRC & 0x000f)];
- if (hasExt)
- {
+ if (hasExt) {
newName[newIndex++] = EXT_MARK;
- for (index = 0;index < localExtIndex ;index++ )
+ for (index = 0; index < localExtIndex; index++)
newName[newIndex++] = ext[index];
}
}
+
return newIndex;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-20 00:36:01 +0000