48 	struct cgroup_subsys_state	css;  member
235 static inline struct blkcg *css_to_blkcg(struct cgroup_subsys_state *css)  in css_to_blkcg()  argument
237 	return css ? container_of(css, struct blkcg, css) : NULL;  in css_to_blkcg()
242 	struct cgroup_subsys_state *css;  in bio_blkcg()  local
246 	css = kthread_blkcg();  in bio_blkcg()
247 	if (css)  in bio_blkcg()
248 		return css_to_blkcg(css);  in bio_blkcg()
254 	struct cgroup_subsys_state *css;  in blk_cgroup_congested()  local
258 	css = kthread_blkcg();  in blk_cgroup_congested()
259 	if (!css)  in blk_cgroup_congested()
260 		css = task_css(current, io_cgrp_id);  in blk_cgroup_congested()
261 	while (css) {  in blk_cgroup_congested()
262 		if (atomic_read(&css->cgroup->congestion_count)) {  in blk_cgroup_congested()
266 		css = css->parent;  in blk_cgroup_congested()
296 	return css_to_blkcg(blkcg->css.parent);  in blkcg_parent()
444 	return cgroup_path(blkg->blkcg->css.cgroup, buf, buflen);  in blkg_path()
500 	css_for_each_descendant_pre((pos_css), &(p_blkg)->blkcg->css)	\
515 	css_for_each_descendant_post((pos_css), &(p_blkg)->blkcg->css)	\
812 	bio_associate_blkcg(bio, &blkcg->css);  in blkcg_bio_issue_check()
845 		atomic_inc(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_use_delay()
887 		atomic_dec(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_unuse_delay()
900 			atomic_dec(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_clear_delay()