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ocfs2: recheck lockres master before sending an unlock request. 

Recovery may have happened and it may now be mastered locally.

Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Kurt Hackel 2006-04-27 17:59:46 -07:00 committed by Mark Fasheh
parent 8d79d088e8
commit 2580a580e0
1 changed files with 10 additions and 0 deletions
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10
fs/ocfs2/dlm/dlmunlock.c
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@ -317,6 +317,16 @@ static enum dlm_status dlm_send_remote_unlock_request(struct dlm_ctxt *dlm,
size_t veclen = 1;
mlog_entry("%.*s\n", res->lockname.len, res->lockname.name);
if (owner == dlm->node_num) {
/* ended up trying to contact ourself. this means
* that the lockres had been remote but became local
* via a migration. just retry it, now as local */
mlog(0, "%s:%.*s: this node became the master due to a "
"migration, re-evaluate now\n", dlm->name,
res->lockname.len, res->lockname.name);
return DLM_FORWARD;
}
memset(&unlock, 0, sizeof(unlock));
unlock.node_idx = dlm->node_num;