blkcg_serial_nr 726 block/bfq-cgroup.c if (unlikely(!bfqd) || likely(bic->blkcg_serial_nr == serial_nr)) blkcg_serial_nr 781 block/bfq-cgroup.c bic->blkcg_serial_nr = serial_nr; blkcg_serial_nr 394 block/bfq-iosched.h uint64_t blkcg_serial_nr; /* the current blkcg serial */