execute_cb
GEM_BUG_ON(!llist_empty(&rq->execute_cb));
struct execute_cb *cb = container_of(wrk, typeof(*cb), work);
struct execute_cb *cb, *cn;
if (llist_empty(&rq->execute_cb))
llist_del_all(&rq->execute_cb),
slab_execute_cbs = KMEM_CACHE(execute_cb,
pool_init(&slab_execute_cbs, sizeof(struct execute_cb),
GEM_BUG_ON(!llist_empty(&rq->execute_cb));
struct execute_cb *cb;
if (llist_add(&cb->work.node.llist, &signal->execute_cb)) {
init_llist_head(&rq->execute_cb);
struct llist_head execute_cb;