52 struct cgroup_subsys_state * const blkcg_root_css = &blkcg_root.css;
105 	struct cgroup_subsys_state *css;  in blkcg_css()  local
107 	css = kthread_blkcg();  in blkcg_css()
108 	if (css)  in blkcg_css()
109 		return css;  in blkcg_css()
182 	css_put(&blkg->blkcg->css);  in __blkg_release()
275 	return &bio->bi_blkg->blkcg->css;  in bio_blkcg_css()
287 	return css_to_blkcg(blkcg->css.parent);  in blkcg_parent()
384 	if (!css_tryget_online(&blkcg->css)) {  in blkg_create()
445 	css_put(&blkcg->css);  in blkg_create()
649 static int blkcg_reset_stats(struct cgroup_subsys_state *css,  in blkcg_reset_stats()  argument
652 	struct blkcg *blkcg = css_to_blkcg(css);  in blkcg_reset_stats()
1119 static void blkcg_rstat_flush(struct cgroup_subsys_state *css, int cpu)  in blkcg_rstat_flush()  argument
1122 	if (cgroup_parent(css->cgroup))  in blkcg_rstat_flush()
1123 		__blkcg_rstat_flush(css_to_blkcg(css), cpu);  in blkcg_rstat_flush()
1238 		css_rstat_flush(&blkcg->css);  in blkcg_print_stat()
1267 struct list_head *blkcg_get_cgwb_list(struct cgroup_subsys_state *css)  in blkcg_get_cgwb_list()  argument
1269 	return &css_to_blkcg(css)->cgwb_list;  in blkcg_get_cgwb_list()
1381 static void blkcg_css_offline(struct cgroup_subsys_state *css)  in blkcg_css_offline()  argument
1384 	wb_blkcg_offline(css);  in blkcg_css_offline()
1387 	blkcg_unpin_online(css);  in blkcg_css_offline()
1390 static void blkcg_css_free(struct cgroup_subsys_state *css)  in blkcg_css_free()  argument
1392 	struct blkcg *blkcg = css_to_blkcg(css);  in blkcg_css_free()
1460 	return &blkcg->css;  in blkcg_css_alloc()
1475 static int blkcg_css_online(struct cgroup_subsys_state *css)  in blkcg_css_online()  argument
1477 	struct blkcg *parent = blkcg_parent(css_to_blkcg(css));  in blkcg_css_online()
1485 		blkcg_pin_online(&parent->css);  in blkcg_css_online()
2091 		struct cgroup_subsys_state *css)  in blkg_tryget_closest()  argument
2096 	blkg = blkg_lookup_create(css_to_blkcg(css), bio->bi_bdev->bd_disk);  in blkg_tryget_closest()
2124 				 struct cgroup_subsys_state *css)  in bio_associate_blkg_from_css()  argument
2129 	if (css && css->parent) {  in bio_associate_blkg_from_css()
2130 		bio->bi_blkg = blkg_tryget_closest(bio, css);  in bio_associate_blkg_from_css()
2149 	struct cgroup_subsys_state *css;  in bio_associate_blkg()  local
2157 		css = bio_blkcg_css(bio);  in bio_associate_blkg()
2159 		css = blkcg_css();  in bio_associate_blkg()
2161 	bio_associate_blkg_from_css(bio, css);  in bio_associate_blkg()
2199 	if (!cgroup_parent(blkcg->css.cgroup))  in blk_cgroup_bio_start()
2228 	css_rstat_updated(&blkcg->css, cpu);  in blk_cgroup_bio_start()