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ocfs2/dlm: clear DROPPING_REF flag when the master goes down

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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>
This commit is contained in:
xuejiufei 2016-03-15 14:53:14 -07:00 committed by Linus Torvalds
parent 842b90b624
commit 8c03439681
1 changed files with 10 additions and 8 deletions
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18
fs/ocfs2/dlm/dlmrecovery.c
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@ -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);