RESFTE
howmany((RESFTE + (bpb.spc ? MINCLS16 : MAXCLS12 + 1)) *
howmany((RESFTE + MAXCLS16) * 2, bpb.bps) * bpb.nft +
howmany((RESFTE + maxcls(fat)) * (fat / BPN),
x2 = howmany((RESFTE + MINIMUM(x, maxcls(fat))) * (fat / BPN),
x = (u_int64_t)bpb.bspf * bpb.bps * NPB / (fat / BPN) - RESFTE;
bpb.rdcl = RESFTE;
howmany((RESFTE + (bpb.spc ? MINCLS16 : MAXCLS12 + 1)) *
howmany((RESFTE + MAXCLS16) * 2, bpb.bps) * bpb.nft +
howmany((RESFTE + maxcls(o.fat_type)) * (o.fat_type / BPN),
x2 = howmany((RESFTE + MINIMUM(x, maxcls(o.fat_type))) * (o.fat_type / BPN),
x = (u_int64_t)bpb.bspf * bpb.bps * NPB / (o.fat_type / BPN) - RESFTE;
bpb.rdcl = RESFTE;