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>
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@ -318,6 +318,16 @@ static enum dlm_status dlm_send_remote_unlock_request(struct dlm_ctxt *dlm,
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mlog_entry("%.*s\n", res->lockname.len, res->lockname.name);
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mlog_entry("%.*s\n", res->lockname.len, res->lockname.name);
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if (owner == dlm->node_num) {
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/* ended up trying to contact ourself. this means
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* that the lockres had been remote but became local
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* via a migration. just retry it, now as local */
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mlog(0, "%s:%.*s: this node became the master due to a "
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"migration, re-evaluate now\n", dlm->name,
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res->lockname.len, res->lockname.name);
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return DLM_FORWARD;
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}
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memset(&unlock, 0, sizeof(unlock));
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memset(&unlock, 0, sizeof(unlock));
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unlock.node_idx = dlm->node_num;
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unlock.node_idx = dlm->node_num;
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unlock.flags = cpu_to_be32(flags);
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unlock.flags = cpu_to_be32(flags);
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