* [PATCH 1/3] Btrfs: fix wrong sync_writers decrement in btrfs_file_aio_write()
@ 2013-01-28 12:34 Miao Xie
0 siblings, 0 replies; only message in thread
From: Miao Xie @ 2013-01-28 12:34 UTC (permalink / raw)
To: Linux Btrfs
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 --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;
--
1.6.5.2
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2013-01-28 12:34 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-01-28 12:34 [PATCH 1/3] Btrfs: fix wrong sync_writers decrement in btrfs_file_aio_write() Miao Xie
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.