]> git.baikalelectronics.ru Git - kernel.git/commit
ocfs2: flock: drop cross-node lock when failed locally
authorWengang Wang <wen.gang.wang@oracle.com>
Thu, 3 Apr 2014 21:47:09 +0000 (14:47 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 3 Apr 2014 23:20:56 +0000 (16:20 -0700)
commitaed2a30a91e2939f0d38df206ee737c30786d99d
tree851d13a3446d8a00fad17470c2c33cd00b27c632
parent29a6721c5bad5181a4ebb3e19ca9e3176004adb9
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>
fs/ocfs2/locks.c