161 struct blkcg_policy {  struct
194 int blkcg_policy_register(struct blkcg_policy *pol);  argument
195 void blkcg_policy_unregister(struct blkcg_policy *pol);
197 			  const struct blkcg_policy *pol);
199 			     const struct blkcg_policy *pol);
205 		       const struct blkcg_policy *pol, int data,
219 			    struct blkcg_policy *pol, int off);
221 					     struct blkcg_policy *pol, int off);
229 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
363 						  struct blkcg_policy *pol)  in blkg_to_pd()
369 						     struct blkcg_policy *pol)  in blkcg_to_cpd()
908 struct blkcg_policy {  struct
926 static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }  in blkcg_policy_register()
927 static inline void blkcg_policy_unregister(struct blkcg_policy *pol) { }  in blkcg_policy_unregister()
929 					const struct blkcg_policy *pol) { return 0; }  in blkcg_activate_policy()
931 					   const struct blkcg_policy *pol) { }  in blkcg_deactivate_policy()
936 						  struct blkcg_policy *pol) { return NULL; }  in blkg_to_pd()