dlm_master_lookup
error = dlm_master_lookup(ls, memb->nodeid,
error = dlm_master_lookup(ls, from_nodeid, ms->m_extra, len, 0,
int dlm_master_lookup(struct dlm_ls *ls, int from_nodeid, const char *name,
error = dlm_master_lookup(ls, nodeid, rc_in->rc_buf, len,