20 	rclp->head = NULL;  in rcu_cblist_init()
21 	rclp->tail = &rclp->head;  in rcu_cblist_init()
47 	drclp->head = srclp->head;  in rcu_cblist_flush_enqueue()
48 	if (drclp->head)  in rcu_cblist_flush_enqueue()
51 		drclp->tail = &drclp->head;  in rcu_cblist_flush_enqueue()
57 		srclp->head = rhp;  in rcu_cblist_flush_enqueue()
71 	rhp = rclp->head;  in rcu_cblist_dequeue()
75 	rclp->head = rhp->next;  in rcu_cblist_dequeue()
76 	if (!rclp->head)  in rcu_cblist_dequeue()
77 		rclp->tail = &rclp->head;  in rcu_cblist_dequeue()
243 	rsclp->head = NULL;  in rcu_segcblist_init()
245 		rsclp->tails[i] = &rsclp->head;  in rcu_segcblist_init()
281 	       &rsclp->head != READ_ONCE(rsclp->tails[RCU_DONE_TAIL]);  in rcu_segcblist_ready_cbs()
301 		return rsclp->head;  in rcu_segcblist_first_cb()
393 	*rclp->tail = rsclp->head;  in rcu_segcblist_extract_done_cbs()
394 	WRITE_ONCE(rsclp->head, *rsclp->tails[RCU_DONE_TAIL]);  in rcu_segcblist_extract_done_cbs()
399 			WRITE_ONCE(rsclp->tails[i], &rsclp->head);  in rcu_segcblist_extract_done_cbs()
447 	if (!rclp->head)  in rcu_segcblist_insert_done_cbs()
450 	*rclp->tail = rsclp->head;  in rcu_segcblist_insert_done_cbs()
451 	WRITE_ONCE(rsclp->head, rclp->head);  in rcu_segcblist_insert_done_cbs()
453 		if (&rsclp->head == rsclp->tails[i])  in rcu_segcblist_insert_done_cbs()
457 	rclp->head = NULL;  in rcu_segcblist_insert_done_cbs()
458 	rclp->tail = &rclp->head;  in rcu_segcblist_insert_done_cbs()
468 	if (!rclp->head)  in rcu_segcblist_insert_pend_cbs()
472 	WRITE_ONCE(*rsclp->tails[RCU_NEXT_TAIL], rclp->head);  in rcu_segcblist_insert_pend_cbs()