DLM_LOCK_RES_DIRTY
BUG_ON(res->state & DLM_LOCK_RES_DIRTY);
ret = !!(res->state & DLM_LOCK_RES_DIRTY);
str_yes_no(res->state & DLM_LOCK_RES_DIRTY));
res->state |= DLM_LOCK_RES_DIRTY;
!!(res->state & DLM_LOCK_RES_DIRTY));
res->state &= ~DLM_LOCK_RES_DIRTY;
res->state &= ~DLM_LOCK_RES_DIRTY;
if (!list_empty(&res->dirty) || res->state & DLM_LOCK_RES_DIRTY)