[patch 00/11] RFC: compat ioctl fixes/cleanups/additions

[Christoph Hellwig]

On Tue, Nov 18, 2008 at 10:44:01PM -0600, sandeen at sandeen.net wrote:
> This should properly hook up all ioctls which need compat
> handlers on intel or ppc; it passes the auto qa group on intel,
> and does ok on ppc (there are still issues with xfsdump itself
> if the ppc page size is large (64k in my case))
> 
> This might be a little overboard; I'm half tempted to remove the
> handlers that only intel boxes need; would anyone be running 32-bit
> apps calling xfs ioctls on x86_64 or ia64?  Seems unlikely; and
> removing them would cut down the size of this patchset:

Yes, I run a complete 32bit userspace on x86_64 kernels quite often.