195 int blkcg_policy_register(struct blkcg_policy *pol);
196 void blkcg_policy_unregister(struct blkcg_policy *pol);
197 int blkcg_activate_policy(struct gendisk *disk, const struct blkcg_policy *pol);
199 			     const struct blkcg_policy *pol);
205 		       const struct blkcg_policy *pol, int data,
218 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
275 						  struct blkcg_policy *pol)  in blkg_to_pd()  argument
277 	return blkg ? blkg->pd[pol->plid] : NULL;  in blkg_to_pd()
281 						     struct blkcg_policy *pol)  in blkcg_to_cpd()  argument
283 	return blkcg ? blkcg->cpd[pol->plid] : NULL;  in blkcg_to_cpd()
487 static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }  in blkcg_policy_register()  argument
488 static inline void blkcg_policy_unregister(struct blkcg_policy *pol) { }  in blkcg_policy_unregister()  argument
490 					const struct blkcg_policy *pol) { return 0; }  in blkcg_activate_policy()  argument
492 					   const struct blkcg_policy *pol) { }  in blkcg_deactivate_policy()  argument
495 						  struct blkcg_policy *pol) { return NULL; }  in blkg_to_pd()  argument