linux-kernel - Re: [PATCH] btrfs: avoid link error with CONFIG_NO_AUTO

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Date:   Tue, 6 Nov 2018 16:04:03 +0100
From:   David Sterba <dsterba@...e.cz>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     dsterba@...e.cz, Qu Wenruo <wqu@...e.de>, Chris Mason <clm@...com>,
        David Sterba <DSterba@...e.com>,
        Josef Bacik <josef@...icpanda.com>,
        Gu Jinxiang <gujx@...fujitsu.com>,
        Changbin Du <changbin.du@...il.com>,
        Misono Tomohiro <misono.tomohiro@...fujitsu.com>,
        Anand Jain <anand.jain@...cle.com>,
        Nikolay Borisov <nborisov@...e.com>,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] btrfs: avoid link error with CONFIG_NO_AUTO_INLINE

On Mon, Nov 05, 2018 at 10:27:03PM +0100, Arnd Bergmann wrote:
> On 11/5/18, David Sterba <dsterba@...e.cz> wrote:
> > On Sun, Nov 04, 2018 at 11:32:03PM +0100, Arnd Bergmann wrote:
> >> >> Cc: Changbin Du <changbin.du@...il.com>
> >> >> Fixes: 943b8435c3bd ("kernel hacking: add a config option to disable
> >> >> compiler auto-inlining")
> >> >
> >> > I can't find it in the mainline kernel, is the commit hash correct?
> >> > If not merged, we should still has a chance to further polish that
> >> > patch.
> >>
> >> It's in linux-next.
> >
> > I can't find it in current linux-next either, the final reference in
> > Fixes: must refer to a commit in Linus' tree.
> 
> Ah, right, it got rebased. The commit ID in today's linux-next
> is 917fad29febd. Most trees in linux-next don't rebase so this
> would not be an issue, but you are right that this one clearly
> did, so the line is wrong here.
> 
> The commit is now delayed until 4.21 I assume.
> 
> > You can take this fix with the patch that introduces the config option
> > (ack for that) in case merging through the btrfs tree would be too late
> > for it (ie. no common base for the git trees containg the new code and
> > fix).
> >
> > Or I can take it through btrfs tree in 4.20-rc cycle. In both cases the
> > Fixes: does not need to be there.
> 
> Please take it through the btrfs tree. Let me know if you need me
> to extend the changelog to explain that situation better.

Ok, I'll add it to my tree, the changelog is good, thanks.