From 8c0343968163dc3536e56268026f475b1bbf61b4 Mon Sep 17 00:00:00 2001
From: xuejiufei <xuejiufei@huawei.com>
Date: Tue, 15 Mar 2016 14:53:14 -0700
Subject: [PATCH] ocfs2/dlm: clear DROPPING_REF flag when the master goes down
If the master goes down after return in-progress for deref message. The
lock resource on non-master node can not be purged. Clear the
DROPPING_REF flag and recovery it.
Signed-off-by: xuejiufei <xuejiufei@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Joseph Qi <joseph.qi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/ocfs2/dlm/dlmrecovery.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index b94a425f0175..1eee96e25565 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2377,14 +2377,16 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
dlm_revalidate_lvb(dlm, res, dead_node);
if (res->owner == dead_node) {
if (res->state & DLM_LOCK_RES_DROPPING_REF) {
- mlog(ML_NOTICE, "%s: res %.*s, Skip "
- "recovery as it is being freed\n",
- dlm->name, res->lockname.len,
- res->lockname.name);
- } else
- dlm_move_lockres_to_recovery_list(dlm,
- res);
-
+ mlog(0, "%s:%.*s: owned by "
+ "dead node %u, this node was "
+ "dropping its ref when it died. "
+ "continue, dropping the flag.\n",
+ dlm->name, res->lockname.len,
+ res->lockname.name, dead_node);
+ }
+ res->state &= ~DLM_LOCK_RES_DROPPING_REF;
+ dlm_move_lockres_to_recovery_list(dlm,
+ res);
} else if (res->owner == dlm->node_num) {
dlm_free_dead_locks(dlm, res, dead_node);
__dlm_lockres_calc_usage(dlm, res);
--
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