36 				 const struct blkcg_policy *pol)  in blkcg_policy_enabled()  argument
38 	return pol && test_bit(pol->plid, q->blkcg_pols);  in blkcg_policy_enabled()
93 		struct blkcg_policy *pol = blkcg_policy[i];  in blkg_alloc()  local
96 		if (!blkcg_policy_enabled(q, pol))  in blkg_alloc()
100 		pd = kzalloc_node(pol->pd_size, gfp_mask, q->node);  in blkg_alloc()
215 		struct blkcg_policy *pol = blkcg_policy[i];  in blkg_create()  local
217 		if (blkg->pd[i] && pol->pd_init_fn)  in blkg_create()
218 			pol->pd_init_fn(blkg);  in blkg_create()
229 			struct blkcg_policy *pol = blkcg_policy[i];  in blkg_create()  local
231 			if (blkg->pd[i] && pol->pd_online_fn)  in blkg_create()
232 				pol->pd_online_fn(blkg);  in blkg_create()
323 		struct blkcg_policy *pol = blkcg_policy[i];  in blkg_destroy()  local
325 		if (blkg->pd[i] && pol->pd_offline_fn)  in blkg_destroy()
326 			pol->pd_offline_fn(blkg);  in blkg_destroy()
394 		struct blkcg_policy *pol = blkcg_policy[i];  in __blkg_release_rcu()  local
396 		if (blkg->pd[i] && pol->pd_exit_fn)  in __blkg_release_rcu()
397 			pol->pd_exit_fn(blkg);  in __blkg_release_rcu()
474 			struct blkcg_policy *pol = blkcg_policy[i];  in blkcg_reset_stats()  local
476 			if (blkcg_policy_enabled(blkg->q, pol) &&  in blkcg_reset_stats()
477 			    pol->pd_reset_stats_fn)  in blkcg_reset_stats()
478 				pol->pd_reset_stats_fn(blkg);  in blkcg_reset_stats()
516 		       const struct blkcg_policy *pol, int data,  in blkcg_print_blkgs()  argument
525 		if (blkcg_policy_enabled(blkg->q, pol))  in blkcg_print_blkgs()
526 			total += prfill(sf, blkg->pd[pol->plid], data);  in blkcg_print_blkgs()
632 	struct blkcg_policy *pol = blkcg_policy[pd->plid];  in blkg_stat_recursive_sum()  local
641 		struct blkg_policy_data *pos_pd = blkg_to_pd(pos_blkg, pol);  in blkg_stat_recursive_sum()
665 	struct blkcg_policy *pol = blkcg_policy[pd->plid];  in blkg_rwstat_recursive_sum()  local
675 		struct blkg_policy_data *pos_pd = blkg_to_pd(pos_blkg, pol);  in blkg_rwstat_recursive_sum()
705 int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol,  in blkg_conf_prep()  argument
729 	if (blkcg_policy_enabled(disk->queue, pol))  in blkg_conf_prep()
962 			  const struct blkcg_policy *pol)  in blkcg_activate_policy()  argument
970 	if (blkcg_policy_enabled(q, pol))  in blkcg_activate_policy()
1012 		pd = kzalloc_node(pol->pd_size, GFP_KERNEL, q->node);  in blkcg_activate_policy()
1038 		blkg->pd[pol->plid] = pd;  in blkcg_activate_policy()
1040 		pd->plid = pol->plid;  in blkcg_activate_policy()
1041 		pol->pd_init_fn(blkg);  in blkcg_activate_policy()
1046 	__set_bit(pol->plid, q->blkcg_pols);  in blkcg_activate_policy()
1067 			     const struct blkcg_policy *pol)  in blkcg_deactivate_policy()  argument
1071 	if (!blkcg_policy_enabled(q, pol))  in blkcg_deactivate_policy()
1077 	__clear_bit(pol->plid, q->blkcg_pols);  in blkcg_deactivate_policy()
1087 		if (pol->pd_offline_fn)  in blkcg_deactivate_policy()
1088 			pol->pd_offline_fn(blkg);  in blkcg_deactivate_policy()
1089 		if (pol->pd_exit_fn)  in blkcg_deactivate_policy()
1090 			pol->pd_exit_fn(blkg);  in blkcg_deactivate_policy()
1092 		kfree(blkg->pd[pol->plid]);  in blkcg_deactivate_policy()
1093 		blkg->pd[pol->plid] = NULL;  in blkcg_deactivate_policy()
1110 int blkcg_policy_register(struct blkcg_policy *pol)  in blkcg_policy_register()  argument
1114 	if (WARN_ON(pol->pd_size < sizeof(struct blkg_policy_data)))  in blkcg_policy_register()
1128 	pol->plid = i;  in blkcg_policy_register()
1129 	blkcg_policy[i] = pol;  in blkcg_policy_register()
1132 	if (pol->cftypes)  in blkcg_policy_register()
1134 						  pol->cftypes));  in blkcg_policy_register()
1148 void blkcg_policy_unregister(struct blkcg_policy *pol)  in blkcg_policy_unregister()  argument
1152 	if (WARN_ON(blkcg_policy[pol->plid] != pol))  in blkcg_policy_unregister()
1156 	if (pol->cftypes)  in blkcg_policy_unregister()
1157 		cgroup_rm_cftypes(pol->cftypes);  in blkcg_policy_unregister()
1160 	blkcg_policy[pol->plid] = NULL;  in blkcg_policy_unregister()