lat_avg           146 block/blk-iolatency.c 	u64 lat_avg;
lat_avg           263 block/blk-iolatency.c 	iolat->lat_avg = calc_load(iolat->lat_avg,
lat_avg           926 block/blk-iolatency.c 	avg_lat = div64_u64(iolat->lat_avg, NSEC_PER_USEC);