43 struct blkcg {  struct
100 	struct blkcg			*blkcg;  member
110 	struct blkcg			*blkcg;  member
169 extern struct blkcg blkcg_root;
172 struct blkcg_gq *blkg_lookup_slowpath(struct blkcg *blkcg,
174 struct blkcg_gq *blkg_lookup_create(struct blkcg *blkcg,
189 void blkcg_print_blkgs(struct seq_file *sf, struct blkcg *blkcg,
216 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
221 static inline struct blkcg *css_to_blkcg(struct cgroup_subsys_state *css)  in css_to_blkcg()
223 	return css ? container_of(css, struct blkcg, css) : NULL;  in css_to_blkcg()
226 static inline struct blkcg *task_blkcg(struct task_struct *tsk)  in task_blkcg()
231 static inline struct blkcg *bio_blkcg(struct bio *bio)  in bio_blkcg()
250 static inline struct blkcg *blkcg_parent(struct blkcg *blkcg)  in blkcg_parent()  argument
252 	return css_to_blkcg(blkcg->css.parent);  in blkcg_parent()
266 static inline struct blkcg_gq *__blkg_lookup(struct blkcg *blkcg,  in __blkg_lookup()  argument
272 	if (blkcg == &blkcg_root)  in __blkg_lookup()
275 	blkg = rcu_dereference(blkcg->blkg_hint);  in __blkg_lookup()
279 	return blkg_lookup_slowpath(blkcg, q, update_hint);  in __blkg_lookup()
291 static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg,  in blkg_lookup()  argument
298 	return __blkg_lookup(blkcg, q, false);  in blkg_lookup()
314 static inline struct blkcg_policy_data *blkcg_to_cpd(struct blkcg *blkcg,  in blkcg_to_cpd()  argument
317 	return blkcg ? blkcg->cpd[pol->plid] : NULL;  in blkcg_to_cpd()
331 static inline struct blkcg *cpd_to_blkcg(struct blkcg_policy_data *cpd)  in cpd_to_blkcg()
333 	return cpd ? cpd->blkcg : NULL;  in cpd_to_blkcg()
348 	p = cgroup_path(blkg->blkcg->css.cgroup, buf, buflen);  in blkg_path()
396 	css_for_each_descendant_pre((pos_css), &(p_blkg)->blkcg->css)	\
411 	css_for_each_descendant_post((pos_css), &(p_blkg)->blkcg->css)	\
428 	struct blkcg *blkcg;  in blk_get_rl()  local
433 	blkcg = bio_blkcg(bio);  in blk_get_rl()
436 	if (blkcg == &blkcg_root)  in blk_get_rl()
444 	blkg = blkg_lookup(blkcg, q);  in blk_get_rl()
465 	if (rl->blkg->blkcg != &blkcg_root)  in blk_put_rl()
696 	struct blkcg *blkcg;  in blkcg_bio_issue_check()  local
701 	blkcg = bio_blkcg(bio);  in blkcg_bio_issue_check()
703 	blkg = blkg_lookup(blkcg, q);  in blkcg_bio_issue_check()
706 		blkg = blkg_lookup_create(blkcg, q);  in blkcg_bio_issue_check()
727 struct blkcg {  struct
752 static inline struct blkcg_gq *blkg_lookup(struct blkcg *blkcg, void *key) { return NULL; }  in blkg_lookup()  argument
763 static inline struct blkcg *bio_blkcg(struct bio *bio) { return NULL; }  in bio_blkcg()