181 int blkcg_policy_register(struct blkcg_policy *pol);
182 void blkcg_policy_unregister(struct blkcg_policy *pol);
184 			  const struct blkcg_policy *pol);
186 			     const struct blkcg_policy *pol);
192 		       const struct blkcg_policy *pol, int data,
206 			    struct blkcg_policy *pol, int off);
208 					     struct blkcg_policy *pol, int off);
216 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
309 						  struct blkcg_policy *pol)  in blkg_to_pd()  argument
311 	return blkg ? blkg->pd[pol->plid] : NULL;  in blkg_to_pd()
315 						     struct blkcg_policy *pol)  in blkcg_to_cpd()  argument
317 	return blkcg ? blkcg->cpd[pol->plid] : NULL;  in blkcg_to_cpd()
756 static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }  in blkcg_policy_register()  argument
757 static inline void blkcg_policy_unregister(struct blkcg_policy *pol) { }  in blkcg_policy_unregister()  argument
759 					const struct blkcg_policy *pol) { return 0; }  in blkcg_activate_policy()  argument
761 					   const struct blkcg_policy *pol) { }  in blkcg_deactivate_policy()  argument
766 						  struct blkcg_policy *pol) { return NULL; }  in blkg_to_pd()  argument