162 struct blkcg_policy {  struct
198 int blkcg_policy_register(struct blkcg_policy *pol);  argument
199 void blkcg_policy_unregister(struct blkcg_policy *pol);
201 			  const struct blkcg_policy *pol);
203 			     const struct blkcg_policy *pol);
216 		       const struct blkcg_policy *pol, int data,
228 void blkg_rwstat_recursive_sum(struct blkcg_gq *blkg, struct blkcg_policy *pol,
238 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,
408 						  struct blkcg_policy *pol)  in blkg_to_pd()
414 						     struct blkcg_policy *pol)  in blkcg_to_cpd()
832 struct blkcg_policy {  struct
850 static inline int blkcg_policy_register(struct blkcg_policy *pol) { return 0; }  in blkcg_policy_register()
851 static inline void blkcg_policy_unregister(struct blkcg_policy *pol) { }  in blkcg_policy_unregister()
853 					const struct blkcg_policy *pol) { return 0; }  in blkcg_activate_policy()
855 					   const struct blkcg_policy *pol) { }  in blkcg_deactivate_policy()
861 						  struct blkcg_policy *pol) { return NULL; }  in blkg_to_pd()