239 static inline struct throtl_grp *blkg_to_tg(struct blkcg_gq *blkg)  in blkg_to_tg()  argument
241 	return pd_to_tg(blkg_to_pd(blkg, &blkcg_policy_throtl));  in blkg_to_tg()
301 	struct blkcg_gq *blkg = tg_to_blkg(tg);  in tg_bps_limit()  local
305 	if (cgroup_subsys_on_dfl(io_cgrp_subsys) && !blkg->parent)  in tg_bps_limit()
312 		if (!list_empty(&blkg->blkcg->css.children) ||  in tg_bps_limit()
331 	struct blkcg_gq *blkg = tg_to_blkg(tg);  in tg_iops_limit()  local
335 	if (cgroup_subsys_on_dfl(io_cgrp_subsys) && !blkg->parent)  in tg_iops_limit()
342 		if (!list_empty(&blkg->blkcg->css.children) ||  in tg_iops_limit()
542 	struct blkcg_gq *blkg = tg_to_blkg(tg);  in throtl_pd_init()  local
543 	struct throtl_data *td = blkg->q->td;  in throtl_pd_init()
560 	if (cgroup_subsys_on_dfl(io_cgrp_subsys) && blkg->parent)  in throtl_pd_init()
561 		sq->parent_sq = &blkg_to_tg(blkg->parent)->service_queue;  in throtl_pd_init()
597 	struct blkcg_gq *blkg;  in blk_throtl_update_limit_valid()  local
601 	blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg) {  in blk_throtl_update_limit_valid()
602 		struct throtl_grp *tg = blkg_to_tg(blkg);  in blk_throtl_update_limit_valid()
1411 	struct blkcg_gq *blkg;  in tg_conf_updated()  local
1426 	blkg_for_each_descendant_pre(blkg, pos_css,  in tg_conf_updated()
1428 		struct throtl_grp *this_tg = blkg_to_tg(blkg);  in tg_conf_updated()
1433 		if (!cgroup_subsys_on_dfl(io_cgrp_subsys) || !blkg->parent ||  in tg_conf_updated()
1434 		    !blkg->parent->parent)  in tg_conf_updated()
1436 		parent_tg = blkg_to_tg(blkg->parent);  in tg_conf_updated()
1484 	tg = blkg_to_tg(ctx.blkg);  in tg_set_conf()
1588 	const char *dname = blkg_dev_name(pd->blkg);  in tg_prfill_limit()
1670 	tg = blkg_to_tg(ctx.blkg);  in tg_set_limit()
1916 	struct blkcg_gq *blkg;  in throtl_can_upgrade()  local
1925 	blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg) {  in throtl_can_upgrade()
1926 		struct throtl_grp *tg = blkg_to_tg(blkg);  in throtl_can_upgrade()
1964 	struct blkcg_gq *blkg;  in throtl_upgrade_state()  local
1971 	blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg) {  in throtl_upgrade_state()
1972 		struct throtl_grp *tg = blkg_to_tg(blkg);  in throtl_upgrade_state()
2194 	struct blkcg_gq *blkg = bio->bi_blkg;  in blk_throtl_charge_bio_split()  local
2195 	struct throtl_grp *parent = blkg_to_tg(blkg);  in blk_throtl_charge_bio_split()
2214 	struct blkcg_gq *blkg = bio->bi_blkg;  in blk_throtl_bio()  local
2216 	struct throtl_grp *tg = blkg_to_tg(blkg);  in blk_throtl_bio()
2362 	struct blkcg_gq *blkg;  in blk_throtl_bio_endio()  local
2370 	blkg = bio->bi_blkg;  in blk_throtl_bio_endio()
2371 	if (!blkg)  in blk_throtl_bio_endio()
2373 	tg = blkg_to_tg(blkg);  in blk_throtl_bio_endio()