227 	if (!(bfqq == ((struct bfq_data *)bfqg->bfqd)->in_service_queue))  in bfqg_stats_update_io_add()
309 			      bfqq->bfqd->root_group;  in bfqq_group()
541 	struct bfq_data *bfqd = blkg->q->elevator->elevator_data;  in bfq_pd_init()  local
553 	bfqg->bfqd = bfqd;  in bfq_pd_init()
584 static void bfq_link_bfqg(struct bfq_data *bfqd, struct bfq_group *bfqg)  in bfq_link_bfqg()  argument
598 		if (curr_bfqg != bfqd->root_group) {  in bfq_link_bfqg()
601 				parent = bfqd->root_group;  in bfq_link_bfqg()
607 struct bfq_group *bfq_bio_bfqg(struct bfq_data *bfqd, struct bio *bio)  in bfq_bio_bfqg()  argument
625 				&bfqg_to_blkg(bfqd->root_group)->blkcg->css);  in bfq_bio_bfqg()
626 	return bfqd->root_group;  in bfq_bio_bfqg()
643 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,  in bfq_bfqq_move()  argument
660 	if (bfqq == &bfqd->oom_bfqq)  in bfq_bfqq_move()
674 	if (bfqq == bfqd->in_service_queue)  in bfq_bfqq_move()
675 		bfq_bfqq_expire(bfqd, bfqd->in_service_queue,  in bfq_bfqq_move()
679 		bfq_deactivate_bfqq(bfqd, bfqq, false, false);  in bfq_bfqq_move()
687 	else if (bfqd->last_bfqq_created == bfqq)  in bfq_bfqq_move()
688 		bfqd->last_bfqq_created = NULL;  in bfq_bfqq_move()
696 		if (unlikely(!bfqd->nonrot_with_queueing))  in bfq_bfqq_move()
697 			bfq_pos_tree_add_move(bfqd, bfqq);  in bfq_bfqq_move()
698 		bfq_activate_bfqq(bfqd, bfqq);  in bfq_bfqq_move()
701 	if (!bfqd->in_service_queue && !bfqd->rq_in_driver)  in bfq_bfqq_move()
702 		bfq_schedule_dispatch(bfqd);  in bfq_bfqq_move()
717 static void *__bfq_bic_change_cgroup(struct bfq_data *bfqd,  in __bfq_bic_change_cgroup()  argument
730 			bfq_release_process_ref(bfqd, async_bfqq);  in __bfq_bic_change_cgroup()
738 				bfq_bfqq_move(bfqd, sync_bfqq, bfqg);  in __bfq_bic_change_cgroup()
764 				bfq_release_process_ref(bfqd, sync_bfqq);  in __bfq_bic_change_cgroup()
775 	struct bfq_data *bfqd = bic_to_bfqd(bic);  in bfq_bic_update_cgroup()  local
776 	struct bfq_group *bfqg = bfq_bio_bfqg(bfqd, bio);  in bfq_bic_update_cgroup()
785 	if (unlikely(!bfqd) || likely(bic->blkcg_serial_nr == serial_nr))  in bfq_bic_update_cgroup()
792 	bfq_link_bfqg(bfqd, bfqg);  in bfq_bic_update_cgroup()
793 	__bfq_bic_change_cgroup(bfqd, bic, bfqg);  in bfq_bic_update_cgroup()
867 static void bfq_reparent_leaf_entity(struct bfq_data *bfqd,  in bfq_reparent_leaf_entity()  argument
887 	bfq_bfqq_move(bfqd, bfqq, bfqd->root_group);  in bfq_reparent_leaf_entity()
897 static void bfq_reparent_active_queues(struct bfq_data *bfqd,  in bfq_reparent_active_queues()  argument
906 		bfq_reparent_leaf_entity(bfqd, entity, ioprio_class);  in bfq_reparent_active_queues()
909 		bfq_reparent_leaf_entity(bfqd,  in bfq_reparent_active_queues()
926 	struct bfq_data *bfqd = bfqg->bfqd;  in bfq_pd_offline()  local
931 	spin_lock_irqsave(&bfqd->lock, flags);  in bfq_pd_offline()
955 		bfq_reparent_active_queues(bfqd, bfqg, st, i);  in bfq_pd_offline()
974 	bfq_put_async_queues(bfqd, bfqg);  in bfq_pd_offline()
977 	spin_unlock_irqrestore(&bfqd->lock, flags);  in bfq_pd_offline()
987 void bfq_end_wr_async(struct bfq_data *bfqd)  in bfq_end_wr_async()  argument
991 	list_for_each_entry(blkg, &bfqd->queue->blkg_list, q_node) {  in bfq_end_wr_async()
994 		bfq_end_wr_async_queues(bfqd, bfqg);  in bfq_end_wr_async()
996 	bfq_end_wr_async_queues(bfqd, bfqd->root_group);  in bfq_end_wr_async()
1277 struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node)  in bfq_create_group_hierarchy()  argument
1281 	ret = blkcg_activate_policy(bfqd->queue, &blkcg_policy_bfq);  in bfq_create_group_hierarchy()
1285 	return blkg_to_bfqg(bfqd->queue->root_blkg);  in bfq_create_group_hierarchy()
1442 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,  in bfq_bfqq_move()  argument
1460 void bfq_end_wr_async(struct bfq_data *bfqd)  in bfq_end_wr_async()  argument
1462 	bfq_end_wr_async_queues(bfqd, bfqd->root_group);  in bfq_end_wr_async()
1465 struct bfq_group *bfq_bio_bfqg(struct bfq_data *bfqd, struct bio *bio)  in bfq_bio_bfqg()  argument
1467 	return bfqd->root_group;  in bfq_bio_bfqg()
1472 	return bfqq->bfqd->root_group;  in bfqq_group()
1477 struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node)  in bfq_create_group_hierarchy()  argument