Jim MacBaine <jmacbaine@gmail.com> writes:

> Hello,
>
> Using aoe on a sparc64 system gives strange results:
>
> sunny:/dev/etherd# echo >discover
> sunny:/dev/etherd# mke2fs e0.0
> mke2fs 1.37 (21-Mar-2005)
> mke2fs: File too large while trying to determine filesystem size
> sunny:/dev/etherd# blockdev --getsz e0.0
> -4503599627370496
>
> The log says:
>
> Aug 31 15:18:49 sunny kernel: devfs_mk_dir: invalid argument.<6>
> etherd/e0.0: unknown partition table
> Aug 31 15:18:49 sunny kernel: aoe: 0011d8xxxxxx e0.0 v4000 has
> 67553994410557440
> sectors
>
> The system is an Sun Ultra 5, running 2.6.12.5/sparc64 compiled with
> gcc-3.4.2.  e0.0 is exported on a x86 system using vblade-5, and has a
> size of 30 MB.

I've been working with Jim MacBaine, and he reports that the patch
below gets rid of the problem.  I don't know why.  When I test
le64_to_cpup by itself, it works as expected.