This is a note to let you know that I've just added the patch titled
ocfs2: unlock super lock if lockres refresh failed
to the 3.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ocfs2-unlock-super-lock-if-lockres-refresh-failed.patch
and it can be found in the queue-3.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 3278bb748d2437eb1464765f36429e5d6aa91c38 Mon Sep 17 00:00:00 2001
From: Junxiao Bi <[email protected]>
Date: Thu, 21 Feb 2013 16:42:45 -0800
Subject: ocfs2: unlock super lock if lockres refresh failed
From: Junxiao Bi <[email protected]>
commit 3278bb748d2437eb1464765f36429e5d6aa91c38 upstream.
If lockres refresh failed, the super lock will never be released which
will cause some processes on other cluster nodes hung forever.
Signed-off-by: Junxiao Bi <[email protected]>
Cc: Joel Becker <[email protected]>
Cc: Mark Fasheh <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/ocfs2/dlmglue.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -2545,6 +2545,7 @@ int ocfs2_super_lock(struct ocfs2_super
* everything is up to the caller :) */
status = ocfs2_should_refresh_lock_res(lockres);
if (status < 0) {
+ ocfs2_cluster_unlock(osb, lockres, level);
mlog_errno(status);
goto bail;
}
@@ -2553,8 +2554,10 @@ int ocfs2_super_lock(struct ocfs2_super
ocfs2_complete_lock_res_refresh(lockres, status);
- if (status < 0)
+ if (status < 0) {
+ ocfs2_cluster_unlock(osb, lockres, level);
mlog_errno(status);
+ }
ocfs2_track_lock_refresh(lockres);
}
bail:
Patches currently in stable-queue which might be from [email protected] are
queue-3.7/ocfs2-unlock-super-lock-if-lockres-refresh-failed.patch
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