49 struct blkcg {  struct
103 	struct blkcg			*blkcg;  member
113 	struct blkcg			*blkcg;  member
147 				struct request_queue *q, struct blkcg *blkcg);
177 extern struct blkcg blkcg_root;
181 struct blkcg_gq *blkg_lookup_slowpath(struct blkcg *blkcg,
195 void blkcg_print_blkgs(struct seq_file *sf, struct blkcg *blkcg,
209 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
230 static inline struct blkcg *css_to_blkcg(struct cgroup_subsys_state *css)  in css_to_blkcg()
232 	return css ? container_of(css, struct blkcg, css) : NULL;  in css_to_blkcg()
249 static inline struct blkcg *__bio_blkcg(struct bio *bio)  in __bio_blkcg()
252 		return bio->bi_blkg->blkcg;  in __bio_blkcg()
264 static inline struct blkcg *bio_blkcg(struct bio *bio)  in bio_blkcg()
267 		return bio->bi_blkg->blkcg;  in bio_blkcg()
313 static inline struct blkcg *blkcg_parent(struct blkcg *blkcg)  in blkcg_parent()  argument
315 	return css_to_blkcg(blkcg->css.parent);  in blkcg_parent()
329 static inline struct blkcg_gq *__blkg_lookup(struct blkcg *blkcg,  in __blkg_lookup()  argument
335 	if (blkcg == &blkcg_root)  in __blkg_lookup()
338 	blkg = rcu_dereference(blkcg->blkg_hint);  in __blkg_lookup()
342 	return blkg_lookup_slowpath(blkcg, q, update_hint);  in __blkg_lookup()
353 static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg,  in blkg_lookup()  argument
357 	return __blkg_lookup(blkcg, q, false);  in blkg_lookup()
384 static inline struct blkcg_policy_data *blkcg_to_cpd(struct blkcg *blkcg,  in blkcg_to_cpd()  argument
387 	return blkcg ? blkcg->cpd[pol->plid] : NULL;  in blkcg_to_cpd()
401 static inline struct blkcg *cpd_to_blkcg(struct blkcg_policy_data *cpd)  in cpd_to_blkcg()
403 	return cpd ? cpd->blkcg : NULL;  in cpd_to_blkcg()
406 extern void blkcg_destroy_blkgs(struct blkcg *blkcg);
416 static inline void blkcg_pin_online(struct blkcg *blkcg)  in blkcg_pin_online()  argument
418 	refcount_inc(&blkcg->online_pin);  in blkcg_pin_online()
430 static inline void blkcg_unpin_online(struct blkcg *blkcg)  in blkcg_unpin_online()  argument
433 		if (!refcount_dec_and_test(&blkcg->online_pin))  in blkcg_unpin_online()
435 		blkcg_destroy_blkgs(blkcg);  in blkcg_unpin_online()
436 		blkcg = blkcg_parent(blkcg);  in blkcg_unpin_online()
437 	} while (blkcg);  in blkcg_unpin_online()
450 	return cgroup_path(blkg->blkcg->css.cgroup, buf, buflen);  in blkg_path()
498 	css_for_each_descendant_pre((pos_css), &(p_blkg)->blkcg->css)	\
513 	css_for_each_descendant_post((pos_css), &(p_blkg)->blkcg->css)	\
537 		atomic_inc(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_use_delay()
566 		atomic_dec(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_unuse_delay()
585 		atomic_inc(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_set_delay()
602 		atomic_dec(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_clear_delay()
626 struct blkcg {  struct
650 static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg, void *key) { return NULL; }  in blkg_lookup()  argument
662 static inline struct blkcg *__bio_blkcg(struct bio *bio) { return NULL; }  in __bio_blkcg()
663 static inline struct blkcg *bio_blkcg(struct bio *bio) { return NULL; }  in bio_blkcg()