DLM_LOCK_RES_SETREF_INPROG
res->state |= DLM_LOCK_RES_SETREF_INPROG;
res->state &= ~DLM_LOCK_RES_SETREF_INPROG;
res->state |= DLM_LOCK_RES_SETREF_INPROG;
res->state &= ~DLM_LOCK_RES_SETREF_INPROG;
if (res->state & DLM_LOCK_RES_SETREF_INPROG)
__dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG);
__dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG);