59 	struct throtl_service_queue *parent_sq;	/* the parent service_queue */  member
183 	if (sq && sq->parent_sq)  in sq_to_tg()
371 	sq->parent_sq = &td->service_queue;  in throtl_pd_init()
373 		sq->parent_sq = &blkg_to_tg(blkg->parent)->service_queue;  in throtl_pd_init()
384 	struct throtl_grp *parent_tg = sq_to_tg(tg->service_queue.parent_sq);  in tg_update_has_rules()
410 throtl_rb_first(struct throtl_service_queue *parent_sq)  in throtl_rb_first()  argument
413 	if (!parent_sq->nr_pending)  in throtl_rb_first()
416 	if (!parent_sq->first_pending)  in throtl_rb_first()
417 		parent_sq->first_pending = rb_first(&parent_sq->pending_tree);  in throtl_rb_first()
419 	if (parent_sq->first_pending)  in throtl_rb_first()
420 		return rb_entry_tg(parent_sq->first_pending);  in throtl_rb_first()
432 			    struct throtl_service_queue *parent_sq)  in throtl_rb_erase()  argument
434 	if (parent_sq->first_pending == n)  in throtl_rb_erase()
435 		parent_sq->first_pending = NULL;  in throtl_rb_erase()
436 	rb_erase_init(n, &parent_sq->pending_tree);  in throtl_rb_erase()
437 	--parent_sq->nr_pending;  in throtl_rb_erase()
440 static void update_min_dispatch_time(struct throtl_service_queue *parent_sq)  in update_min_dispatch_time()  argument
444 	tg = throtl_rb_first(parent_sq);  in update_min_dispatch_time()
448 	parent_sq->first_pending_disptime = tg->disptime;  in update_min_dispatch_time()
453 	struct throtl_service_queue *parent_sq = tg->service_queue.parent_sq;  in tg_service_queue_add()  local
454 	struct rb_node **node = &parent_sq->pending_tree.rb_node;  in tg_service_queue_add()
473 		parent_sq->first_pending = &tg->rb_node;  in tg_service_queue_add()
476 	rb_insert_color(&tg->rb_node, &parent_sq->pending_tree);  in tg_service_queue_add()
483 	tg->service_queue.parent_sq->nr_pending++;  in __throtl_enqueue_tg()
494 	throtl_rb_erase(&tg->rb_node, tg->service_queue.parent_sq);  in __throtl_dequeue_tg()
904 	struct throtl_service_queue *parent_sq = sq->parent_sq;  in tg_dispatch_one_bio()  local
905 	struct throtl_grp *parent_tg = sq_to_tg(parent_sq);  in tg_dispatch_one_bio()
932 				     &parent_sq->queued[rw]);  in tg_dispatch_one_bio()
976 static int throtl_select_dispatch(struct throtl_service_queue *parent_sq)  in throtl_select_dispatch()  argument
981 		struct throtl_grp *tg = throtl_rb_first(parent_sq);  in throtl_select_dispatch()
1025 	struct throtl_service_queue *parent_sq;  in throtl_pending_timer_fn()  local
1031 	parent_sq = sq->parent_sq;  in throtl_pending_timer_fn()
1057 	if (parent_sq) {  in throtl_pending_timer_fn()
1061 			if (!throtl_schedule_next_dispatch(parent_sq, false)) {  in throtl_pending_timer_fn()
1063 				sq = parent_sq;  in throtl_pending_timer_fn()
1181 		throtl_schedule_next_dispatch(sq->parent_sq, true);  in tg_conf_updated()
1449 		sq = sq->parent_sq;  in blk_throtl_bio()
1475 		throtl_schedule_next_dispatch(tg->service_queue.parent_sq, true);  in blk_throtl_bio()
1496 static void tg_drain_bios(struct throtl_service_queue *parent_sq)  in tg_drain_bios()  argument
1500 	while ((tg = throtl_rb_first(parent_sq))) {  in tg_drain_bios()