Re: [PATCH v6 11/43] compat_ioctl: move drivers to compat_ptr_ioctl

[Al Viro]

On Wed, Oct 09, 2019 at 09:10:11PM +0200, Arnd Bergmann wrote:
> Each of these drivers has a copy of the same trivial helper function to
> convert the pointer argument and then call the native ioctl handler.
> 
> We now have a generic implementation of that, so use it.

I'd rather flipped your #7 (ceph_compat_ioctl() introduction) past
that one...