delta_ktime 3725 block/bfq-iosched.c ktime_t delta_ktime; delta_ktime 3733 block/bfq-iosched.c delta_ktime = bfqd->last_idling_start; delta_ktime 3735 block/bfq-iosched.c delta_ktime = ktime_get(); delta_ktime 3736 block/bfq-iosched.c delta_ktime = ktime_sub(delta_ktime, bfqd->last_budget_start); delta_ktime 3737 block/bfq-iosched.c delta_usecs = ktime_to_us(delta_ktime);