DLM_NOLOCKMGR
ret = DLM_NOLOCKMGR;
[DLM_NOLOCKMGR] = "DLM_NOLOCKMGR",
status == DLM_NOLOCKMGR
ret = DLM_NOLOCKMGR;
status == DLM_NOLOCKMGR) {
[DLM_NOLOCKMGR] = -EINVAL,