Commit e4eb0368 authored by Kurt Hackel's avatar Kurt Hackel Committed by Mark Fasheh
Browse files

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: default avatarKurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: default avatarMark Fasheh <mark.fasheh@oracle.com>
parent ccd8b1f9
......@@ -280,6 +280,14 @@ static enum dlm_status dlm_send_remote_lock_request(struct dlm_ctxt *dlm,
if (tmpret >= 0) {
// successfully sent and received
ret = status; // this is already a dlm_status
if (ret == DLM_RECOVERING) {
mlog(ML_ERROR, "%s:%.*s: BUG. this is a stale lockres "
"no longer owned by %u. that node is coming back "
"up currently.\n", dlm->name, create.namelen,
create.name, res->owner);
dlm_print_one_lock_resource(res);
BUG();
}
} else {
mlog_errno(tmpret);
if (dlm_is_host_down(tmpret)) {
......@@ -428,11 +436,16 @@ int dlm_create_lock_handler(struct o2net_msg *msg, u32 len, void *data)
if (!dlm_grab(dlm))
return DLM_REJECTED;
mlog_bug_on_msg(!dlm_domain_fully_joined(dlm),
"Domain %s not fully joined!\n", dlm->name);
name = create->name;
namelen = create->namelen;
status = DLM_RECOVERING;
if (!dlm_domain_fully_joined(dlm)) {
mlog(ML_ERROR, "Domain %s not fully joined, but node %u is "
"sending a create_lock message for lock %.*s!\n",
dlm->name, create->node_idx, namelen, name);
dlm_error(status);
goto leave;
}
status = DLM_IVBUFLEN;
if (namelen > DLM_LOCKID_NAME_MAX) {
......
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