75 	struct throtl_service_queue *parent_sq;	/* the parent service_queue */  member
255 	if (sq && sq->parent_sq)  in sq_to_tg()
556 	sq->parent_sq = &td->service_queue;  in throtl_pd_init()
558 		sq->parent_sq = &blkg_to_tg(blkg->parent)->service_queue;  in throtl_pd_init()
569 	struct throtl_grp *parent_tg = sq_to_tg(tg->service_queue.parent_sq);  in tg_update_has_rules()
638 throtl_rb_first(struct throtl_service_queue *parent_sq)  in throtl_rb_first()  argument
642 	n = rb_first_cached(&parent_sq->pending_tree);  in throtl_rb_first()
650 			    struct throtl_service_queue *parent_sq)  in throtl_rb_erase()  argument
652 	rb_erase_cached(n, &parent_sq->pending_tree);  in throtl_rb_erase()
654 	--parent_sq->nr_pending;  in throtl_rb_erase()
657 static void update_min_dispatch_time(struct throtl_service_queue *parent_sq)  in update_min_dispatch_time()  argument
661 	tg = throtl_rb_first(parent_sq);  in update_min_dispatch_time()
665 	parent_sq->first_pending_disptime = tg->disptime;  in update_min_dispatch_time()
670 	struct throtl_service_queue *parent_sq = tg->service_queue.parent_sq;  in tg_service_queue_add()  local
671 	struct rb_node **node = &parent_sq->pending_tree.rb_root.rb_node;  in tg_service_queue_add()
690 	rb_insert_color_cached(&tg->rb_node, &parent_sq->pending_tree,  in tg_service_queue_add()
699 		tg->service_queue.parent_sq->nr_pending++;  in throtl_enqueue_tg()
706 		throtl_rb_erase(&tg->rb_node, tg->service_queue.parent_sq);  in throtl_dequeue_tg()
1139 	struct throtl_service_queue *parent_sq = sq->parent_sq;  in tg_dispatch_one_bio()  local
1140 	struct throtl_grp *parent_tg = sq_to_tg(parent_sq);  in tg_dispatch_one_bio()
1167 				     &parent_sq->queued[rw]);  in tg_dispatch_one_bio()
1211 static int throtl_select_dispatch(struct throtl_service_queue *parent_sq)  in throtl_select_dispatch()  argument
1219 		if (!parent_sq->nr_pending)  in throtl_select_dispatch()
1222 		tg = throtl_rb_first(parent_sq);  in throtl_select_dispatch()
1267 	struct throtl_service_queue *parent_sq;  in throtl_pending_timer_fn()  local
1276 	parent_sq = sq->parent_sq;  in throtl_pending_timer_fn()
1302 	if (parent_sq) {  in throtl_pending_timer_fn()
1306 			if (!throtl_schedule_next_dispatch(parent_sq, false)) {  in throtl_pending_timer_fn()
1308 				sq = parent_sq;  in throtl_pending_timer_fn()
1444 		throtl_schedule_next_dispatch(sq->parent_sq, true);  in tg_conf_updated()
1805 	struct throtl_service_queue *parent_sq;  in tg_last_low_overflow_time()  local
1810 		parent_sq = parent->service_queue.parent_sq;  in tg_last_low_overflow_time()
1811 		parent = sq_to_tg(parent_sq);  in tg_last_low_overflow_time()
1888 		tg = sq_to_tg(tg->service_queue.parent_sq);  in throtl_hierarchy_can_upgrade()
2005 		tg = sq_to_tg(tg->service_queue.parent_sq);  in throtl_hierarchy_can_downgrade()
2249 		sq = sq->parent_sq;  in blk_throtl_bio()
2277 		throtl_schedule_next_dispatch(tg->service_queue.parent_sq, true);  in blk_throtl_bio()