Re: [PATCH 5/9] fs: remove various compat readv/writev helpers

[Arnd Bergmann]

On Wed, Sep 23, 2020 at 9:48 PM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
> FWIW, after playing with that for a while...  Do we really want the
> compat_sys_...() declarations to live in linux/compat.h?  Most of
> the users of that file don't want those; why not move them to
> linux/syscalls.h?

Sure, let's do that. The trend overall is to integrate the compat stuff
more closely into where the native implementation lives, so this
would just follow that trend.

I think with Christoph's latest patches, about half of them are
going away as well.

> Reason: there's a lot more users of linux/compat.h than those of
> linux/syscalls.h - it's pulled by everything in the networking stack,
> for starters...

Right, the network headers pull in almost everything else through
multiple indirect inclusions, anything we can do to reduce that
helps.

     Arnd