[PATCH] xfststs: add a helper to get the minimum dio size

[Rich Johnston]

This has been committed.

Thanks
--Rich

commit 50e2a514d9db26e37d45d78a8805fb596697b14e
Author: Christoph Hellwig <hch at infradead.org>
Date:   Wed Nov 6 10:59:32 2013 +0000

     xfstests: add a helper to get the minimum dio size