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Diffstat (limited to 'fs/exofs/inode.c')
-rw-r--r--fs/exofs/inode.c152
1 files changed, 76 insertions, 76 deletions
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index 8472c098445d..f39a38fc2349 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -43,7 +43,7 @@ enum { BIO_MAX_PAGES_KMALLOC =
PAGE_SIZE / sizeof(struct page *),
};
-unsigned exofs_max_io_pages(struct exofs_layout *layout,
+unsigned exofs_max_io_pages(struct ore_layout *layout,
unsigned expected_pages)
{
unsigned pages = min_t(unsigned, expected_pages, MAX_PAGES_KMALLOC);
@@ -58,7 +58,7 @@ struct page_collect {
struct exofs_sb_info *sbi;
struct inode *inode;
unsigned expected_pages;
- struct exofs_io_state *ios;
+ struct ore_io_state *ios;
struct page **pages;
unsigned alloc_pages;
@@ -110,13 +110,6 @@ static int pcol_try_alloc(struct page_collect *pcol)
{
unsigned pages;
- if (!pcol->ios) { /* First time allocate io_state */
- int ret = exofs_get_io_state(&pcol->sbi->layout, &pcol->ios);
-
- if (ret)
- return ret;
- }
-
/* TODO: easily support bio chaining */
pages = exofs_max_io_pages(&pcol->sbi->layout, pcol->expected_pages);
@@ -140,7 +133,7 @@ static void pcol_free(struct page_collect *pcol)
pcol->pages = NULL;
if (pcol->ios) {
- exofs_put_io_state(pcol->ios);
+ ore_put_io_state(pcol->ios);
pcol->ios = NULL;
}
}
@@ -200,7 +193,7 @@ static int __readpages_done(struct page_collect *pcol)
u64 resid;
u64 good_bytes;
u64 length = 0;
- int ret = exofs_check_io(pcol->ios, &resid);
+ int ret = ore_check_io(pcol->ios, &resid);
if (likely(!ret))
good_bytes = pcol->length;
@@ -241,7 +234,7 @@ static int __readpages_done(struct page_collect *pcol)
}
/* callback of async reads */
-static void readpages_done(struct exofs_io_state *ios, void *p)
+static void readpages_done(struct ore_io_state *ios, void *p)
{
struct page_collect *pcol = p;
@@ -269,20 +262,28 @@ static void _unlock_pcol_pages(struct page_collect *pcol, int ret, int rw)
static int read_exec(struct page_collect *pcol)
{
struct exofs_i_info *oi = exofs_i(pcol->inode);
- struct exofs_io_state *ios = pcol->ios;
+ struct ore_io_state *ios;
struct page_collect *pcol_copy = NULL;
int ret;
if (!pcol->pages)
return 0;
+ if (!pcol->ios) {
+ int ret = ore_get_rw_state(&pcol->sbi->layout, &oi->comps, true,
+ pcol->pg_first << PAGE_CACHE_SHIFT,
+ pcol->length, &pcol->ios);
+
+ if (ret)
+ return ret;
+ }
+
+ ios = pcol->ios;
ios->pages = pcol->pages;
ios->nr_pages = pcol->nr_pages;
- ios->length = pcol->length;
- ios->offset = pcol->pg_first << PAGE_CACHE_SHIFT;
if (pcol->read_4_write) {
- exofs_oi_read(oi, pcol->ios);
+ ore_read(pcol->ios);
return __readpages_done(pcol);
}
@@ -295,14 +296,14 @@ static int read_exec(struct page_collect *pcol)
*pcol_copy = *pcol;
ios->done = readpages_done;
ios->private = pcol_copy;
- ret = exofs_oi_read(oi, ios);
+ ret = ore_read(ios);
if (unlikely(ret))
goto err;
atomic_inc(&pcol->sbi->s_curr_pending);
EXOFS_DBGMSG2("read_exec obj=0x%llx start=0x%llx length=0x%lx\n",
- ios->obj.id, _LLU(ios->offset), pcol->length);
+ oi->one_comp.obj.id, _LLU(ios->offset), pcol->length);
/* pages ownership was passed to pcol_copy */
_pcol_reset(pcol);
@@ -457,14 +458,14 @@ static int exofs_readpage(struct file *file, struct page *page)
}
/* Callback for osd_write. All writes are asynchronous */
-static void writepages_done(struct exofs_io_state *ios, void *p)
+static void writepages_done(struct ore_io_state *ios, void *p)
{
struct page_collect *pcol = p;
int i;
u64 resid;
u64 good_bytes;
u64 length = 0;
- int ret = exofs_check_io(ios, &resid);
+ int ret = ore_check_io(ios, &resid);
atomic_dec(&pcol->sbi->s_curr_pending);
@@ -507,13 +508,21 @@ static void writepages_done(struct exofs_io_state *ios, void *p)
static int write_exec(struct page_collect *pcol)
{
struct exofs_i_info *oi = exofs_i(pcol->inode);
- struct exofs_io_state *ios = pcol->ios;
+ struct ore_io_state *ios;
struct page_collect *pcol_copy = NULL;
int ret;
if (!pcol->pages)
return 0;
+ BUG_ON(pcol->ios);
+ ret = ore_get_rw_state(&pcol->sbi->layout, &oi->comps, false,
+ pcol->pg_first << PAGE_CACHE_SHIFT,
+ pcol->length, &pcol->ios);
+
+ if (unlikely(ret))
+ goto err;
+
pcol_copy = kmalloc(sizeof(*pcol_copy), GFP_KERNEL);
if (!pcol_copy) {
EXOFS_ERR("write_exec: Failed to kmalloc(pcol)\n");
@@ -523,16 +532,15 @@ static int write_exec(struct page_collect *pcol)
*pcol_copy = *pcol;
+ ios = pcol->ios;
ios->pages = pcol_copy->pages;
ios->nr_pages = pcol_copy->nr_pages;
- ios->offset = pcol_copy->pg_first << PAGE_CACHE_SHIFT;
- ios->length = pcol_copy->length;
ios->done = writepages_done;
ios->private = pcol_copy;
- ret = exofs_oi_write(oi, ios);
+ ret = ore_write(ios);
if (unlikely(ret)) {
- EXOFS_ERR("write_exec: exofs_oi_write() Failed\n");
+ EXOFS_ERR("write_exec: ore_write() Failed\n");
goto err;
}
@@ -844,17 +852,15 @@ static inline int exofs_inode_is_fast_symlink(struct inode *inode)
return S_ISLNK(inode->i_mode) && (oi->i_data[0] != 0);
}
-const struct osd_attr g_attr_logical_length = ATTR_DEF(
- OSD_APAGE_OBJECT_INFORMATION, OSD_ATTR_OI_LOGICAL_LENGTH, 8);
-
static int _do_truncate(struct inode *inode, loff_t newsize)
{
struct exofs_i_info *oi = exofs_i(inode);
+ struct exofs_sb_info *sbi = inode->i_sb->s_fs_info;
int ret;
inode->i_mtime = inode->i_ctime = CURRENT_TIME;
- ret = exofs_oi_truncate(oi, (u64)newsize);
+ ret = ore_truncate(&sbi->layout, &oi->comps, (u64)newsize);
if (likely(!ret))
truncate_setsize(inode, newsize);
@@ -917,30 +923,26 @@ static int exofs_get_inode(struct super_block *sb, struct exofs_i_info *oi,
[1] = g_attr_inode_file_layout,
[2] = g_attr_inode_dir_layout,
};
- struct exofs_io_state *ios;
+ struct ore_io_state *ios;
struct exofs_on_disk_inode_layout *layout;
int ret;
- ret = exofs_get_io_state(&sbi->layout, &ios);
+ ret = ore_get_io_state(&sbi->layout, &oi->comps, &ios);
if (unlikely(ret)) {
- EXOFS_ERR("%s: exofs_get_io_state failed.\n", __func__);
+ EXOFS_ERR("%s: ore_get_io_state failed.\n", __func__);
return ret;
}
- ios->obj.id = exofs_oi_objno(oi);
- exofs_make_credential(oi->i_cred, &ios->obj);
- ios->cred = oi->i_cred;
-
- attrs[1].len = exofs_on_disk_inode_layout_size(sbi->layout.s_numdevs);
- attrs[2].len = exofs_on_disk_inode_layout_size(sbi->layout.s_numdevs);
+ attrs[1].len = exofs_on_disk_inode_layout_size(sbi->comps.numdevs);
+ attrs[2].len = exofs_on_disk_inode_layout_size(sbi->comps.numdevs);
ios->in_attr = attrs;
ios->in_attr_len = ARRAY_SIZE(attrs);
- ret = exofs_sbi_read(ios);
+ ret = ore_read(ios);
if (unlikely(ret)) {
EXOFS_ERR("object(0x%llx) corrupted, return empty file=>%d\n",
- _LLU(ios->obj.id), ret);
+ _LLU(oi->one_comp.obj.id), ret);
memset(inode, 0, sizeof(*inode));
inode->i_mode = 0040000 | (0777 & ~022);
/* If object is lost on target we might as well enable it's
@@ -990,7 +992,7 @@ static int exofs_get_inode(struct super_block *sb, struct exofs_i_info *oi,
}
out:
- exofs_put_io_state(ios);
+ ore_put_io_state(ios);
return ret;
}
@@ -1016,6 +1018,8 @@ struct inode *exofs_iget(struct super_block *sb, unsigned long ino)
return inode;
oi = exofs_i(inode);
__oi_init(oi);
+ exofs_init_comps(&oi->comps, &oi->one_comp, sb->s_fs_info,
+ exofs_oi_objno(oi));
/* read the inode from the osd */
ret = exofs_get_inode(sb, oi, &fcb);
@@ -1107,21 +1111,22 @@ int __exofs_wait_obj_created(struct exofs_i_info *oi)
* set the obj_created flag so that other methods know that the object exists on
* the OSD.
*/
-static void create_done(struct exofs_io_state *ios, void *p)
+static void create_done(struct ore_io_state *ios, void *p)
{
struct inode *inode = p;
struct exofs_i_info *oi = exofs_i(inode);
struct exofs_sb_info *sbi = inode->i_sb->s_fs_info;
int ret;
- ret = exofs_check_io(ios, NULL);
- exofs_put_io_state(ios);
+ ret = ore_check_io(ios, NULL);
+ ore_put_io_state(ios);
atomic_dec(&sbi->s_curr_pending);
if (unlikely(ret)) {
EXOFS_ERR("object=0x%llx creation failed in pid=0x%llx",
- _LLU(exofs_oi_objno(oi)), _LLU(sbi->layout.s_pid));
+ _LLU(exofs_oi_objno(oi)),
+ _LLU(oi->one_comp.obj.partition));
/*TODO: When FS is corrupted creation can fail, object already
* exist. Get rid of this asynchronous creation, if exist
* increment the obj counter and try the next object. Until we
@@ -1140,14 +1145,13 @@ static void create_done(struct exofs_io_state *ios, void *p)
*/
struct inode *exofs_new_inode(struct inode *dir, int mode)
{
- struct super_block *sb;
+ struct super_block *sb = dir->i_sb;
+ struct exofs_sb_info *sbi = sb->s_fs_info;
struct inode *inode;
struct exofs_i_info *oi;
- struct exofs_sb_info *sbi;
- struct exofs_io_state *ios;
+ struct ore_io_state *ios;
int ret;
- sb = dir->i_sb;
inode = new_inode(sb);
if (!inode)
return ERR_PTR(-ENOMEM);
@@ -1157,8 +1161,6 @@ struct inode *exofs_new_inode(struct inode *dir, int mode)
set_obj_2bcreated(oi);
- sbi = sb->s_fs_info;
-
inode->i_mapping->backing_dev_info = sb->s_bdi;
inode_init_owner(inode, dir, mode);
inode->i_ino = sbi->s_nextid++;
@@ -1170,25 +1172,24 @@ struct inode *exofs_new_inode(struct inode *dir, int mode)
spin_unlock(&sbi->s_next_gen_lock);
insert_inode_hash(inode);
+ exofs_init_comps(&oi->comps, &oi->one_comp, sb->s_fs_info,
+ exofs_oi_objno(oi));
exofs_sbi_write_stats(sbi); /* Make sure new sbi->s_nextid is on disk */
mark_inode_dirty(inode);
- ret = exofs_get_io_state(&sbi->layout, &ios);
+ ret = ore_get_io_state(&sbi->layout, &oi->comps, &ios);
if (unlikely(ret)) {
- EXOFS_ERR("exofs_new_inode: exofs_get_io_state failed\n");
+ EXOFS_ERR("exofs_new_inode: ore_get_io_state failed\n");
return ERR_PTR(ret);
}
- ios->obj.id = exofs_oi_objno(oi);
- exofs_make_credential(oi->i_cred, &ios->obj);
-
ios->done = create_done;
ios->private = inode;
- ios->cred = oi->i_cred;
- ret = exofs_sbi_create(ios);
+
+ ret = ore_create(ios);
if (ret) {
- exofs_put_io_state(ios);
+ ore_put_io_state(ios);
return ERR_PTR(ret);
}
atomic_inc(&sbi->s_curr_pending);
@@ -1207,11 +1208,11 @@ struct updatei_args {
/*
* Callback function from exofs_update_inode().
*/
-static void updatei_done(struct exofs_io_state *ios, void *p)
+static void updatei_done(struct ore_io_state *ios, void *p)
{
struct updatei_args *args = p;
- exofs_put_io_state(ios);
+ ore_put_io_state(ios);
atomic_dec(&args->sbi->s_curr_pending);
@@ -1227,7 +1228,7 @@ static int exofs_update_inode(struct inode *inode, int do_sync)
struct exofs_i_info *oi = exofs_i(inode);
struct super_block *sb = inode->i_sb;
struct exofs_sb_info *sbi = sb->s_fs_info;
- struct exofs_io_state *ios;
+ struct ore_io_state *ios;
struct osd_attr attr;
struct exofs_fcb *fcb;
struct updatei_args *args;
@@ -1266,9 +1267,9 @@ static int exofs_update_inode(struct inode *inode, int do_sync)
} else
memcpy(fcb->i_data, oi->i_data, sizeof(fcb->i_data));
- ret = exofs_get_io_state(&sbi->layout, &ios);
+ ret = ore_get_io_state(&sbi->layout, &oi->comps, &ios);
if (unlikely(ret)) {
- EXOFS_ERR("%s: exofs_get_io_state failed.\n", __func__);
+ EXOFS_ERR("%s: ore_get_io_state failed.\n", __func__);
goto free_args;
}
@@ -1285,13 +1286,13 @@ static int exofs_update_inode(struct inode *inode, int do_sync)
ios->private = args;
}
- ret = exofs_oi_write(oi, ios);
+ ret = ore_write(ios);
if (!do_sync && !ret) {
atomic_inc(&sbi->s_curr_pending);
goto out; /* deallocation in updatei_done */
}
- exofs_put_io_state(ios);
+ ore_put_io_state(ios);
free_args:
kfree(args);
out:
@@ -1310,11 +1311,11 @@ int exofs_write_inode(struct inode *inode, struct writeback_control *wbc)
* Callback function from exofs_delete_inode() - don't have much cleaning up to
* do.
*/
-static void delete_done(struct exofs_io_state *ios, void *p)
+static void delete_done(struct ore_io_state *ios, void *p)
{
struct exofs_sb_info *sbi = p;
- exofs_put_io_state(ios);
+ ore_put_io_state(ios);
atomic_dec(&sbi->s_curr_pending);
}
@@ -1329,7 +1330,7 @@ void exofs_evict_inode(struct inode *inode)
struct exofs_i_info *oi = exofs_i(inode);
struct super_block *sb = inode->i_sb;
struct exofs_sb_info *sbi = sb->s_fs_info;
- struct exofs_io_state *ios;
+ struct ore_io_state *ios;
int ret;
truncate_inode_pages(&inode->i_data, 0);
@@ -1349,20 +1350,19 @@ void exofs_evict_inode(struct inode *inode)
/* ignore the error, attempt a remove anyway */
/* Now Remove the OSD objects */
- ret = exofs_get_io_state(&sbi->layout, &ios);
+ ret = ore_get_io_state(&sbi->layout, &oi->comps, &ios);
if (unlikely(ret)) {
- EXOFS_ERR("%s: exofs_get_io_state failed\n", __func__);
+ EXOFS_ERR("%s: ore_get_io_state failed\n", __func__);
return;
}
- ios->obj.id = exofs_oi_objno(oi);
ios->done = delete_done;
ios->private = sbi;
- ios->cred = oi->i_cred;
- ret = exofs_sbi_remove(ios);
+
+ ret = ore_remove(ios);
if (ret) {
- EXOFS_ERR("%s: exofs_sbi_remove failed\n", __func__);
- exofs_put_io_state(ios);
+ EXOFS_ERR("%s: ore_remove failed\n", __func__);
+ ore_put_io_state(ios);
return;
}
atomic_inc(&sbi->s_curr_pending);
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-27 12:33:15 +0000