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| author | Junxiao Bi <junxiao.bi@oracle.com> | 2013-02-21 16:42:45 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 17:22:19 -0800 |
| commit | 3278bb748d2437eb1464765f36429e5d6aa91c38 (patch) | |
| tree | 04e73a862c6fa6835b2e19a933e7e915297df4b3 | |
| parent | d787ab0977c58e2c421b8d0ab49e363893ddb814 (diff) | |
| download | op-kernel-dev-3278bb748d2437eb1464765f36429e5d6aa91c38.zip op-kernel-dev-3278bb748d2437eb1464765f36429e5d6aa91c38.tar.gz | |
ocfs2: unlock super lock if lockres refresh failed
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 <junxiao.bi@oracle.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/ocfs2/dlmglue.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 4f7795f..88577eb 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -2545,6 +2545,7 @@ int ocfs2_super_lock(struct ocfs2_super *osb, * 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 *osb, 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: |
