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ocfs2/dlm: Use ast_lock to protect ast_list 

The code was using dlm->spinlock instead of dlm->ast_lock to protect the
ast_list. This patch fixes the issue.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Sunil Mushran 2009-02-03 12:37:15 -08:00 committed by Mark Fasheh
parent c74ff8bb22
commit dabc47de7a
1 changed files with 2 additions and 2 deletions
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4
fs/ocfs2/dlm/dlmunlock.c
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@ -117,11 +117,11 @@ static enum dlm_status dlmunlock_common(struct dlm_ctxt *dlm,
else
BUG_ON(res->owner == dlm->node_num);
spin_lock(&dlm->spinlock);
spin_lock(&dlm->ast_lock);
/* We want to be sure that we're not freeing a lock
* that still has AST's pending... */
in_use = !list_empty(&lock->ast_list);
spin_unlock(&dlm->spinlock);
spin_unlock(&dlm->ast_lock);
if (in_use) {
mlog(ML_ERROR, "lockres %.*s: Someone is calling dlmunlock "
"while waiting for an ast!", res->lockname.len,