diff mbox

[1/3] Btrfs: fix wrong sync_writers decrement in btrfs_file_aio_write()

Message ID 5106706F.5030803@cn.fujitsu.com (mailing list archive)
State New, archived
Headers show

Commit Message

Miao Xie Jan. 28, 2013, 12:34 p.m. UTC
If the checks at the beginning of btrfs_file_aio_write() fail, we needn't
decrease ->sync_writers, because we have not increased it. Fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---
 fs/btrfs/file.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 20452c1..370ed5b 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1595,9 +1595,10 @@  static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 		if (err < 0 && num_written > 0)
 			num_written = err;
 	}
-out:
+
 	if (sync)
 		atomic_dec(&BTRFS_I(inode)->sync_writers);
+out:
 	sb_end_write(inode->i_sb);
 	current->backing_dev_info = NULL;
 	return num_written ? num_written : err;