tot = scale_bytes((double)nsectors*SECTORSZ, &totunit);
rate = scale_bytes((double)nsectors*SECTORSZ/t, &rateunit);
moan("all done: %.1f %sB in %s -- %.1f %sB/s",
tot = scale_bytes((double)nsectors*SECTORSZ, &totunit);
rate = scale_bytes((double)nsectors*SECTORSZ/t, &rateunit);
moan("all done: %.1f %sB in %s -- %.1f %sB/s",