172 struct blkcg_policy {  struct
199 int blkcg_policy_register(struct blkcg_policy *pol);  argument
200 void blkcg_policy_unregister(struct blkcg_policy *pol);
201 int blkcg_activate_policy(struct gendisk *disk, const struct blkcg_policy *pol);
203 			     const struct blkcg_policy *pol);
209 		       const struct blkcg_policy *pol, int data,
222 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
278 						  struct blkcg_policy *pol)  in blkg_to_pd()
284 						     struct blkcg_policy *pol)  in blkcg_to_cpd()
468 struct blkcg_policy {  struct
478 static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }  in blkcg_policy_register()
479 static inline void blkcg_policy_unregister(struct blkcg_policy *pol) { }  in blkcg_policy_unregister()
481 					const struct blkcg_policy *pol) { return 0; }  in blkcg_activate_policy()
483 					   const struct blkcg_policy *pol) { }  in blkcg_deactivate_policy()
486 						  struct blkcg_policy *pol) { return NULL; }  in blkg_to_pd()