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| author | Wengang Wang <wen.gang.wang@oracle.com> | 2014-04-03 14:47:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-03 16:20:56 -0700 |
| commit | e228f6439862359f9b26f9d62634e4fce180b54a (patch) | |
| tree | 851d13a3446d8a00fad17470c2c33cd00b27c632 /fs/ocfs2 | |
| parent | 6fdb702d6262b18b1b41a35f1f81903b0a2bc2c9 (diff) | |
| download | op-kernel-dev-e228f6439862359f9b26f9d62634e4fce180b54a.zip op-kernel-dev-e228f6439862359f9b26f9d62634e4fce180b54a.tar.gz | |
ocfs2: flock: drop cross-node lock when failed locally
ocfs2_do_flock() calls ocfs2_file_lock() to get the cross-node clock and
then call flock_lock_file_wait() to compete with local processes. In
case flock_lock_file_wait() failed, say -ENOMEM, clean up work is not
done. This patch adds the cleanup --drop the cross-node lock which was
just granted.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Cc: Joel Becker <jlbec@evilplan.org>
Reviewed-by: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2')
| -rw-r--r-- | fs/ocfs2/locks.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c index e57c804..6b6d092 100644 --- a/fs/ocfs2/locks.c +++ b/fs/ocfs2/locks.c @@ -82,6 +82,8 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode, } ret = flock_lock_file_wait(file, fl); + if (ret) + ocfs2_file_unlock(file); out: mutex_unlock(&fp->fp_mutex); |
