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path: root/fs/btrfs/ioctl.c
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Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c37
1 files changed, 18 insertions, 19 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index ba484aac1b9c..c2aa33e3feb5 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -311,7 +311,7 @@ static noinline int btrfs_mksubvol(struct path *parent, char *name,
* to see if is references the subvolume where we are
* placing this new snapshot.
*/
- while(1) {
+ while (1) {
if (!test ||
dir == snap_src->fs_info->sb->s_root ||
test == snap_src->fs_info->sb->s_root ||
@@ -319,7 +319,8 @@ static noinline int btrfs_mksubvol(struct path *parent, char *name,
break;
}
if (S_ISLNK(test->d_inode->i_mode)) {
- printk("Symlink in snapshot path, failed\n");
+ printk(KERN_INFO "Btrfs symlink in snapshot "
+ "path, failed\n");
error = -EMLINK;
btrfs_free_path(path);
goto out_drop_write;
@@ -329,7 +330,8 @@ static noinline int btrfs_mksubvol(struct path *parent, char *name,
ret = btrfs_find_root_ref(snap_src->fs_info->tree_root,
path, test_oid, parent_oid);
if (ret == 0) {
- printk("Snapshot creation failed, looping\n");
+ printk(KERN_INFO "Btrfs snapshot creation "
+ "failed, looping\n");
error = -EMLINK;
btrfs_free_path(path);
goto out_drop_write;
@@ -617,7 +619,8 @@ static noinline int btrfs_ioctl_snap_create(struct file *file,
src_inode = src_file->f_path.dentry->d_inode;
if (src_inode->i_sb != file->f_path.dentry->d_inode->i_sb) {
- printk("btrfs: Snapshot src from another FS\n");
+ printk(KERN_INFO "btrfs: Snapshot src from "
+ "another FS\n");
ret = -EINVAL;
fput(src_file);
goto out;
@@ -810,9 +813,6 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
((off + len) & (bs-1)))
goto out_unlock;
- printk("final src extent is %llu~%llu\n", off, len);
- printk("final dst extent is %llu~%llu\n", destoff, len);
-
/* do any pending delalloc/csum calc on src, one way or
another, and lock file content */
while (1) {
@@ -883,10 +883,13 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
comp = btrfs_file_extent_compression(leaf, extent);
type = btrfs_file_extent_type(leaf, extent);
if (type == BTRFS_FILE_EXTENT_REG) {
- disko = btrfs_file_extent_disk_bytenr(leaf, extent);
- diskl = btrfs_file_extent_disk_num_bytes(leaf, extent);
+ disko = btrfs_file_extent_disk_bytenr(leaf,
+ extent);
+ diskl = btrfs_file_extent_disk_num_bytes(leaf,
+ extent);
datao = btrfs_file_extent_offset(leaf, extent);
- datal = btrfs_file_extent_num_bytes(leaf, extent);
+ datal = btrfs_file_extent_num_bytes(leaf,
+ extent);
} else if (type == BTRFS_FILE_EXTENT_INLINE) {
/* take upper bound, may be compressed */
datal = btrfs_file_extent_ram_bytes(leaf,
@@ -916,8 +919,6 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
extent = btrfs_item_ptr(leaf, slot,
struct btrfs_file_extent_item);
- printk(" orig disk %llu~%llu data %llu~%llu\n",
- disko, diskl, datao, datal);
if (off > key.offset) {
datao += off - key.offset;
@@ -929,8 +930,6 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
/* disko == 0 means it's a hole */
if (!disko)
datao = 0;
- printk(" final disk %llu~%llu data %llu~%llu\n",
- disko, diskl, datao, datal);
btrfs_set_file_extent_offset(leaf, extent,
datao);
@@ -952,12 +951,11 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
skip = off - key.offset;
new_key.offset += skip;
}
+
if (key.offset + datal > off+len)
trim = key.offset + datal - (off+len);
- printk("len %lld skip %lld trim %lld\n",
- datal, skip, trim);
+
if (comp && (skip || trim)) {
- printk("btrfs clone_range can't split compressed inline extents yet\n");
ret = -EINVAL;
goto out;
}
@@ -969,7 +967,8 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
goto out;
if (skip) {
- u32 start = btrfs_file_extent_calc_inline_size(0);
+ u32 start =
+ btrfs_file_extent_calc_inline_size(0);
memmove(buf+start, buf+start+skip,
datal);
}
@@ -985,7 +984,7 @@ static long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
btrfs_mark_buffer_dirty(leaf);
}
- next:
+next:
btrfs_release_path(root, path);
key.offset++;
}