46 struct blkcg {  struct
100 	struct blkcg			*blkcg;  member
110 	struct blkcg			*blkcg;  member
144 				struct request_queue *q, struct blkcg *blkcg);
174 extern struct blkcg blkcg_root;
178 struct blkcg_gq *blkg_lookup_slowpath(struct blkcg *blkcg,
192 void blkcg_print_blkgs(struct seq_file *sf, struct blkcg *blkcg,
206 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
227 static inline struct blkcg *css_to_blkcg(struct cgroup_subsys_state *css)  in css_to_blkcg()
229 	return css ? container_of(css, struct blkcg, css) : NULL;  in css_to_blkcg()
246 static inline struct blkcg *__bio_blkcg(struct bio *bio)  in __bio_blkcg()
249 		return bio->bi_blkg->blkcg;  in __bio_blkcg()
261 static inline struct blkcg *bio_blkcg(struct bio *bio)  in bio_blkcg()
264 		return bio->bi_blkg->blkcg;  in bio_blkcg()
310 static inline struct blkcg *blkcg_parent(struct blkcg *blkcg)  in blkcg_parent()  argument
312 	return css_to_blkcg(blkcg->css.parent);  in blkcg_parent()
326 static inline struct blkcg_gq *__blkg_lookup(struct blkcg *blkcg,  in __blkg_lookup()  argument
332 	if (blkcg == &blkcg_root)  in __blkg_lookup()
335 	blkg = rcu_dereference(blkcg->blkg_hint);  in __blkg_lookup()
339 	return blkg_lookup_slowpath(blkcg, q, update_hint);  in __blkg_lookup()
350 static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg,  in blkg_lookup()  argument
354 	return __blkg_lookup(blkcg, q, false);  in blkg_lookup()
381 static inline struct blkcg_policy_data *blkcg_to_cpd(struct blkcg *blkcg,  in blkcg_to_cpd()  argument
384 	return blkcg ? blkcg->cpd[pol->plid] : NULL;  in blkcg_to_cpd()
398 static inline struct blkcg *cpd_to_blkcg(struct blkcg_policy_data *cpd)  in cpd_to_blkcg()
400 	return cpd ? cpd->blkcg : NULL;  in cpd_to_blkcg()
403 extern void blkcg_destroy_blkgs(struct blkcg *blkcg);
413 static inline void blkcg_pin_online(struct blkcg *blkcg)  in blkcg_pin_online()  argument
415 	refcount_inc(&blkcg->online_pin);  in blkcg_pin_online()
427 static inline void blkcg_unpin_online(struct blkcg *blkcg)  in blkcg_unpin_online()  argument
430 		if (!refcount_dec_and_test(&blkcg->online_pin))  in blkcg_unpin_online()
432 		blkcg_destroy_blkgs(blkcg);  in blkcg_unpin_online()
433 		blkcg = blkcg_parent(blkcg);  in blkcg_unpin_online()
434 	} while (blkcg);  in blkcg_unpin_online()
447 	return cgroup_path(blkg->blkcg->css.cgroup, buf, buflen);  in blkg_path()
495 	css_for_each_descendant_pre((pos_css), &(p_blkg)->blkcg->css)	\
510 	css_for_each_descendant_post((pos_css), &(p_blkg)->blkcg->css)	\
534 		atomic_inc(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_use_delay()
563 		atomic_dec(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_unuse_delay()
582 		atomic_inc(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_set_delay()
599 		atomic_dec(&blkg->blkcg->css.cgroup->congestion_count);  in blkcg_clear_delay()
608 struct blkcg {  struct
632 static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg, void *key) { return NULL; }  in blkg_lookup()  argument
644 static inline struct blkcg *__bio_blkcg(struct bio *bio) { return NULL; }  in __bio_blkcg()
645 static inline struct blkcg *bio_blkcg(struct bio *bio) { return NULL; }  in bio_blkcg()