227 	if (!(bfqq == ((struct bfq_data *)bfqg->bfqd)->in_service_queue))  in bfqg_stats_update_io_add()
314 			      bfqq->bfqd->root_group;  in bfqq_group()
527 	struct bfq_data *bfqd = blkg->q->elevator->elevator_data;  in bfq_pd_init()  local
537 	bfqg->bfqd = bfqd;  in bfq_pd_init()
567 static struct bfq_group *bfq_lookup_bfqg(struct bfq_data *bfqd,  in bfq_lookup_bfqg()  argument
572 	blkg = blkg_lookup(blkcg, bfqd->queue);  in bfq_lookup_bfqg()
578 struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd,  in bfq_find_set_group()  argument
584 	bfqg = bfq_lookup_bfqg(bfqd, blkcg);  in bfq_find_set_group()
597 		if (bfqg != bfqd->root_group) {  in bfq_find_set_group()
600 				parent = bfqd->root_group;  in bfq_find_set_group()
622 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,  in bfq_bfqq_move()  argument
633 	if (bfqq == bfqd->in_service_queue)  in bfq_bfqq_move()
634 		bfq_bfqq_expire(bfqd, bfqd->in_service_queue,  in bfq_bfqq_move()
638 		bfq_deactivate_bfqq(bfqd, bfqq, false, false);  in bfq_bfqq_move()
649 		if (unlikely(!bfqd->nonrot_with_queueing))  in bfq_bfqq_move()
650 			bfq_pos_tree_add_move(bfqd, bfqq);  in bfq_bfqq_move()
651 		bfq_activate_bfqq(bfqd, bfqq);  in bfq_bfqq_move()
654 	if (!bfqd->in_service_queue && !bfqd->rq_in_driver)  in bfq_bfqq_move()
655 		bfq_schedule_dispatch(bfqd);  in bfq_bfqq_move()
672 static struct bfq_group *__bfq_bic_change_cgroup(struct bfq_data *bfqd,  in __bfq_bic_change_cgroup()  argument
681 	bfqg = bfq_find_set_group(bfqd, blkcg);  in __bfq_bic_change_cgroup()
684 		bfqg = bfqd->root_group;  in __bfq_bic_change_cgroup()
691 			bfq_log_bfqq(bfqd, async_bfqq,  in __bfq_bic_change_cgroup()
701 			bfq_bfqq_move(bfqd, sync_bfqq, bfqg);  in __bfq_bic_change_cgroup()
709 	struct bfq_data *bfqd = bic_to_bfqd(bic);  in bfq_bic_update_cgroup()  local
720 	if (unlikely(!bfqd) || likely(bic->blkcg_serial_nr == serial_nr))  in bfq_bic_update_cgroup()
723 	bfqg = __bfq_bic_change_cgroup(bfqd, bic, __bio_blkcg(bio));  in bfq_bic_update_cgroup()
797 static void bfq_reparent_leaf_entity(struct bfq_data *bfqd,  in bfq_reparent_leaf_entity()  argument
802 	bfq_bfqq_move(bfqd, bfqq, bfqd->root_group);  in bfq_reparent_leaf_entity()
812 static void bfq_reparent_active_entities(struct bfq_data *bfqd,  in bfq_reparent_active_entities()  argument
823 		bfq_reparent_leaf_entity(bfqd, entity);  in bfq_reparent_active_entities()
826 		bfq_reparent_leaf_entity(bfqd,  in bfq_reparent_active_entities()
842 	struct bfq_data *bfqd = bfqg->bfqd;  in bfq_pd_offline()  local
847 	spin_lock_irqsave(&bfqd->lock, flags);  in bfq_pd_offline()
878 		bfq_reparent_active_entities(bfqd, bfqg, st);  in bfq_pd_offline()
884 	bfq_put_async_queues(bfqd, bfqg);  in bfq_pd_offline()
886 	spin_unlock_irqrestore(&bfqd->lock, flags);  in bfq_pd_offline()
896 void bfq_end_wr_async(struct bfq_data *bfqd)  in bfq_end_wr_async()  argument
900 	list_for_each_entry(blkg, &bfqd->queue->blkg_list, q_node) {  in bfq_end_wr_async()
903 		bfq_end_wr_async_queues(bfqd, bfqg);  in bfq_end_wr_async()
905 	bfq_end_wr_async_queues(bfqd, bfqd->root_group);  in bfq_end_wr_async()
1185 struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node)  in bfq_create_group_hierarchy()  argument
1189 	ret = blkcg_activate_policy(bfqd->queue, &blkcg_policy_bfq);  in bfq_create_group_hierarchy()
1193 	return blkg_to_bfqg(bfqd->queue->root_blkg);  in bfq_create_group_hierarchy()
1350 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,  in bfq_bfqq_move()  argument
1368 void bfq_end_wr_async(struct bfq_data *bfqd)  in bfq_end_wr_async()  argument
1370 	bfq_end_wr_async_queues(bfqd, bfqd->root_group);  in bfq_end_wr_async()
1373 struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd, struct blkcg *blkcg)  in bfq_find_set_group()  argument
1375 	return bfqd->root_group;  in bfq_find_set_group()
1380 	return bfqq->bfqd->root_group;  in bfqq_group()
1383 struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node)  in bfq_create_group_hierarchy()  argument