Re: [PATCH 0/2] Kbuild: enable -fms-extensions, make btrfs the first user

[Nathan Chancellor <nathan@kernel.org>]

+ Nicolas for kbuild

On Wed, Oct 22, 2025 at 07:30:42AM +0200, David Sterba wrote:
> On Mon, Oct 20, 2025 at 04:22:26PM +0200, Rasmus Villemoes wrote:
> > Since -fms-extensions once again came up as potentially useful, Linus
> > suggested that we bite the bullet and enable it.
> > 
> > https://lore.kernel.org/lkml/CAHk-=wjeZwww6Zswn6F_iZTpUihTSNKYppLqj36iQDDhfntuEw@mail.gmail.com/
> > 
> > So that's what patch 1 does, and patch 2 puts it to use in the btrfs
> > case.
> > 
> > Compile-tested only, with gcc (15.2.1) and clang (20.1.8).
> > 
> > Rasmus Villemoes (2):
> >   Kbuild: enable -fms-extensions
> >   btrfs: send: make use of -fms-extensions for defining struct fs_path
> 
> For the btrfs part
> 
> Acked-by: David Sterba <dsterba@suse.com>
> 
> I think it makes more sense to take the patches via the kbuild tree so
> it's in linux-next for build coverage and eventual tweaks to the Kbuild
> files. Or I can take the patches into btrfs for-next.

Yeah, we should be able to take these into Kbuild. I had just one small
nit on patch 1 that we could probably fix up at application time unless
folks disagree with it. I hope there will be no follow up fixes needed
but it would make more sense in our tree than yours.

Cheers,
Nathan