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authorIngo Molnar <mingo@elte.hu>2010-12-07 07:49:48 +0100
committerIngo Molnar <mingo@elte.hu>2010-12-07 07:49:51 +0100
commit10a18d7dc0d9f12483c95ffc234118e9b80edfeb (patch)
tree0f43620107d5231cab669bca4b3c923b721330c7 /fs/btrfs/file.c
parentf984ba4eb575e4a27ed28a76d4126d2aa9233c32 (diff)
parentcf7d7e5a1980d1116ee152d25dac382b112b9c17 (diff)
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Merge commit 'v2.6.37-rc5' into perf/core
Merge reason: Pick up the latest -rc. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index e354c33..c1faded 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1047,8 +1047,14 @@ out:
if ((file->f_flags & O_DSYNC) || IS_SYNC(inode)) {
trans = btrfs_start_transaction(root, 0);
+ if (IS_ERR(trans)) {
+ num_written = PTR_ERR(trans);
+ goto done;
+ }
+ mutex_lock(&inode->i_mutex);
ret = btrfs_log_dentry_safe(trans, root,
file->f_dentry);
+ mutex_unlock(&inode->i_mutex);
if (ret == 0) {
ret = btrfs_sync_log(trans, root);
if (ret == 0)
@@ -1067,6 +1073,7 @@ out:
(start_pos + num_written - 1) >> PAGE_CACHE_SHIFT);
}
}
+done:
current->backing_dev_info = NULL;
return num_written ? num_written : err;
}