46 	b->head = NULL;  in rcu_batch_init()
47 	b->tail = &b->head;  in rcu_batch_init()
53 static inline void rcu_batch_queue(struct rcu_batch *b, struct rcu_head *head)  in rcu_batch_queue()  argument
55 	*b->tail = head;  in rcu_batch_queue()
56 	b->tail = &head->next;  in rcu_batch_queue()
64 	return b->tail == &b->head;  in rcu_batch_empty()
73 	struct rcu_head *head;  in rcu_batch_dequeue()  local
78 	head = b->head;  in rcu_batch_dequeue()
79 	b->head = head->next;  in rcu_batch_dequeue()
80 	if (b->tail == &head->next)  in rcu_batch_dequeue()
83 	return head;  in rcu_batch_dequeue()
93 		*to->tail = from->head;  in rcu_batch_move()
388 void call_srcu(struct srcu_struct *sp, struct rcu_head *head,  in call_srcu()  argument
389 		void (*func)(struct rcu_head *head))  in call_srcu()  argument
393 	head->next = NULL;  in call_srcu()
394 	head->func = func;  in call_srcu()
396 	rcu_batch_queue(&sp->batch_queue, head);  in call_srcu()
414 	struct rcu_head *head = &rcu.head;  in __synchronize_srcu()  local
426 	head->next = NULL;  in __synchronize_srcu()
427 	head->func = wakeme_after_rcu;  in __synchronize_srcu()
432 		rcu_batch_queue(&sp->batch_check0, head);  in __synchronize_srcu()
437 			BUG_ON(sp->batch_done.head != head);  in __synchronize_srcu()
444 		rcu_batch_queue(&sp->batch_queue, head);  in __synchronize_srcu()
622 	struct rcu_head *head;  in srcu_invoke_callbacks()  local
625 		head = rcu_batch_dequeue(&sp->batch_done);  in srcu_invoke_callbacks()
626 		if (!head)  in srcu_invoke_callbacks()
629 		head->func(head);  in srcu_invoke_callbacks()