775 		struct blkg_iostat cur, delta;  in blkcg_rstat_flush()  local
786 		blkg_iostat_set(&delta, &cur);  in blkcg_rstat_flush()
787 		blkg_iostat_sub(&delta, &bisc->last);  in blkcg_rstat_flush()
788 		blkg_iostat_add(&blkg->iostat.cur, &delta);  in blkcg_rstat_flush()
789 		blkg_iostat_add(&bisc->last, &delta);  in blkcg_rstat_flush()
795 			blkg_iostat_set(&delta, &blkg->iostat.cur);  in blkcg_rstat_flush()
796 			blkg_iostat_sub(&delta, &blkg->iostat.last);  in blkcg_rstat_flush()
797 			blkg_iostat_add(&parent->iostat.cur, &delta);  in blkcg_rstat_flush()
798 			blkg_iostat_add(&blkg->iostat.last, &delta);  in blkcg_rstat_flush()
1808 void blkcg_add_delay(struct blkcg_gq *blkg, u64 now, u64 delta)  in blkcg_add_delay()  argument
1813 	atomic64_add(delta, &blkg->delay_nsec);  in blkcg_add_delay()