ocfs2: gracefully handle stale create_lock messages.
This is an error on the sending side, so gracefully error out on the receiving end. Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com> Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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@ -280,6 +280,14 @@ static enum dlm_status dlm_send_remote_lock_request(struct dlm_ctxt *dlm,
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if (tmpret >= 0) {
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// successfully sent and received
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ret = status; // this is already a dlm_status
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if (ret == DLM_RECOVERING) {
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mlog(ML_ERROR, "%s:%.*s: BUG. this is a stale lockres "
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"no longer owned by %u. that node is coming back "
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"up currently.\n", dlm->name, create.namelen,
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create.name, res->owner);
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dlm_print_one_lock_resource(res);
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BUG();
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}
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} else {
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mlog_errno(tmpret);
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if (dlm_is_host_down(tmpret)) {
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@ -428,11 +436,16 @@ int dlm_create_lock_handler(struct o2net_msg *msg, u32 len, void *data)
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if (!dlm_grab(dlm))
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return DLM_REJECTED;
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mlog_bug_on_msg(!dlm_domain_fully_joined(dlm),
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"Domain %s not fully joined!\n", dlm->name);
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name = create->name;
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namelen = create->namelen;
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status = DLM_RECOVERING;
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if (!dlm_domain_fully_joined(dlm)) {
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mlog(ML_ERROR, "Domain %s not fully joined, but node %u is "
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"sending a create_lock message for lock %.*s!\n",
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dlm->name, create->node_idx, namelen, name);
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dlm_error(status);
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goto leave;
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}
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status = DLM_IVBUFLEN;
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if (namelen > DLM_LOCKID_NAME_MAX) {
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