Got a patch, posting now. Ross On Fri, 1 Feb 2019 at 09:44, Burton, Ross <ross.burton@xxxxxxxxx> wrote: > > On Fri, 1 Feb 2019 at 00:14, Burton, Ross <ross.burton@xxxxxxxxx> wrote: > > $ cmp fs/foo /mnt/foo > > fs/foo /mnt/foo differ: byte 1073741825, line 4194938 > > > > Okay that's not the 4GB boundary. > > $ bc > obase=2 > 1073741825 > 1000000000000000000000000000001 > > That's 2^30. I'm guessing a signed type is used somewhere? > > Ross