204 void reqsk_queue_alloc(struct request_sock_queue *queue);
209 static inline bool reqsk_queue_empty(const struct request_sock_queue *queue)  in reqsk_queue_empty()  argument
211 	return READ_ONCE(queue->rskq_accept_head) == NULL;  in reqsk_queue_empty()
214 static inline struct request_sock *reqsk_queue_remove(struct request_sock_queue *queue,  in reqsk_queue_remove()  argument
219 	spin_lock_bh(&queue->rskq_lock);  in reqsk_queue_remove()
220 	req = queue->rskq_accept_head;  in reqsk_queue_remove()
223 		WRITE_ONCE(queue->rskq_accept_head, req->dl_next);  in reqsk_queue_remove()
224 		if (queue->rskq_accept_head == NULL)  in reqsk_queue_remove()
225 			queue->rskq_accept_tail = NULL;  in reqsk_queue_remove()
227 	spin_unlock_bh(&queue->rskq_lock);  in reqsk_queue_remove()
231 static inline void reqsk_queue_removed(struct request_sock_queue *queue,  in reqsk_queue_removed()  argument
235 		atomic_dec(&queue->young);  in reqsk_queue_removed()
236 	atomic_dec(&queue->qlen);  in reqsk_queue_removed()
239 static inline void reqsk_queue_added(struct request_sock_queue *queue)  in reqsk_queue_added()  argument
241 	atomic_inc(&queue->young);  in reqsk_queue_added()
242 	atomic_inc(&queue->qlen);  in reqsk_queue_added()
245 static inline int reqsk_queue_len(const struct request_sock_queue *queue)  in reqsk_queue_len()  argument
247 	return atomic_read(&queue->qlen);  in reqsk_queue_len()
250 static inline int reqsk_queue_len_young(const struct request_sock_queue *queue)  in reqsk_queue_len_young()  argument
252 	return atomic_read(&queue->young);  in reqsk_queue_len_young()