period_at_vtime   413 block/blk-iocost.c 	u64				period_at_vtime; /* vtime starttime */
period_at_vtime   871 block/blk-iocost.c 		now->vnow = ioc->period_at_vtime +
period_at_vtime   883 block/blk-iocost.c 	ioc->period_at_vtime = now->vnow;
period_at_vtime  1367 block/blk-iocost.c 	period_vtime = now.vnow - ioc->period_at_vtime;