Jason Thorpe wrote:
> FFS addresses everything by "fragment".  FFSv1 has a 32-bit signed 
> fragment number, meaning you're limited to 2^31 fragments.  FFSv2 has a 
> 64-bit signed fragment number.

As a matter of mere curiosity (and being too lazy just now to look if it's
explained in the code), why the choice of signed representation for fragment
numbers?  To support disks with reversible motors?

-Chap