28 struct rq_qos {  struct
32 	struct rq_qos *next;  argument
39 	void (*throttle)(struct rq_qos *, struct bio *);  argument
40 	void (*track)(struct rq_qos *, struct request *, struct bio *);
41 	void (*merge)(struct rq_qos *, struct request *, struct bio *);
42 	void (*issue)(struct rq_qos *, struct request *);
43 	void (*requeue)(struct rq_qos *, struct request *);
44 	void (*done)(struct rq_qos *, struct request *);
45 	void (*done_bio)(struct rq_qos *, struct bio *);
46 	void (*cleanup)(struct rq_qos *, struct bio *);
47 	void (*queue_depth_changed)(struct rq_qos *);
48 	void (*exit)(struct rq_qos *);
62 static inline struct rq_qos *rq_qos_id(struct request_queue *q,  in rq_qos_id()
65 	struct rq_qos *rqos;  in rq_qos_id()
66 	for (rqos = q->rq_qos; rqos; rqos = rqos->next) {  in rq_qos_id()
73 static inline struct rq_qos *wbt_rq_qos(struct request_queue *q)  in wbt_rq_qos()
78 static inline struct rq_qos *blkcg_rq_qos(struct request_queue *q)  in blkcg_rq_qos()
89 static inline void rq_qos_add(struct request_queue *q, struct rq_qos *rqos)  in rq_qos_add()
101 	rqos->next = q->rq_qos;  in rq_qos_add()
102 	q->rq_qos = rqos;  in rq_qos_add()
111 static inline void rq_qos_del(struct request_queue *q, struct rq_qos *rqos)  in rq_qos_del()
113 	struct rq_qos **cur;  in rq_qos_del()
122 	for (cur = &q->rq_qos; *cur; cur = &(*cur)->next) {  in rq_qos_del()
146 void __rq_qos_cleanup(struct rq_qos *rqos, struct bio *bio);
147 void __rq_qos_done(struct rq_qos *rqos, struct request *rq);
148 void __rq_qos_issue(struct rq_qos *rqos, struct request *rq);
149 void __rq_qos_requeue(struct rq_qos *rqos, struct request *rq);
150 void __rq_qos_throttle(struct rq_qos *rqos, struct bio *bio);
151 void __rq_qos_track(struct rq_qos *rqos, struct request *rq, struct bio *bio);
152 void __rq_qos_merge(struct rq_qos *rqos, struct request *rq, struct bio *bio);
153 void __rq_qos_done_bio(struct rq_qos *rqos, struct bio *bio);
154 void __rq_qos_queue_depth_changed(struct rq_qos *rqos);
158 	if (q->rq_qos)  in rq_qos_cleanup()
159 		__rq_qos_cleanup(q->rq_qos, bio);  in rq_qos_cleanup()
164 	if (q->rq_qos)  in rq_qos_done()
165 		__rq_qos_done(q->rq_qos, rq);  in rq_qos_done()
170 	if (q->rq_qos)  in rq_qos_issue()
171 		__rq_qos_issue(q->rq_qos, rq);  in rq_qos_issue()
176 	if (q->rq_qos)  in rq_qos_requeue()
177 		__rq_qos_requeue(q->rq_qos, rq);  in rq_qos_requeue()
182 	if (q->rq_qos)  in rq_qos_done_bio()
183 		__rq_qos_done_bio(q->rq_qos, bio);  in rq_qos_done_bio()
193 	if (q->rq_qos)  in rq_qos_throttle()
194 		__rq_qos_throttle(q->rq_qos, bio);  in rq_qos_throttle()
200 	if (q->rq_qos)  in rq_qos_track()
201 		__rq_qos_track(q->rq_qos, rq, bio);  in rq_qos_track()
207 	if (q->rq_qos)  in rq_qos_merge()
208 		__rq_qos_merge(q->rq_qos, rq, bio);  in rq_qos_merge()
213 	if (q->rq_qos)  in rq_qos_queue_depth_changed()
214 		__rq_qos_queue_depth_changed(q->rq_qos);  in rq_qos_queue_depth_changed()