190 int blkcg_policy_register(struct blkcg_policy *pol);
191 void blkcg_policy_unregister(struct blkcg_policy *pol);
193 			  const struct blkcg_policy *pol);
195 			     const struct blkcg_policy *pol);
201 		       const struct blkcg_policy *pol, int data,
212 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
382 						  struct blkcg_policy *pol)  in blkg_to_pd()  argument
384 	return blkg ? blkg->pd[pol->plid] : NULL;  in blkg_to_pd()
388 						     struct blkcg_policy *pol)  in blkcg_to_cpd()  argument
390 	return blkcg ? blkcg->cpd[pol->plid] : NULL;  in blkcg_to_cpd()
658 static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }  in blkcg_policy_register()  argument
659 static inline void blkcg_policy_unregister(struct blkcg_policy *pol) { }  in blkcg_policy_unregister()  argument
661 					const struct blkcg_policy *pol) { return 0; }  in blkcg_activate_policy()  argument
663 					   const struct blkcg_policy *pol) { }  in blkcg_deactivate_policy()  argument
669 						  struct blkcg_policy *pol) { return NULL; }  in blkg_to_pd()  argument