linux-kernel - Re: linux-next: build failure after merge of the akpm tree

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Date:	Fri, 7 Jun 2013 17:52:44 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Peng Tao <bergwolf@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-next@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Dave Chinner <dchinner@...hat.com>,
	Glauber Costa <glommer@...nvz.org>, Greg KH <greg@...ah.com>,
	"Dilger, Andreas" <andreas.dilger@...el.com>
Subject: Re: linux-next: build failure after merge of the akpm tree

Hi,

On Fri, 7 Jun 2013 15:26:56 +0800 Peng Tao <bergwolf@...il.com> wrote:
>
> On Fri, Jun 7, 2013 at 2:28 PM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the akpm tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> >
> > In file included from drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h:49:0,
> >                  from drivers/staging/lustre/include/linux/libcfs/libcfs.h:44,
> >                  from drivers/staging/lustre/include/linux/lnet/linux/lib-lnet.h:45,
> >                  from drivers/staging/lustre/include/linux/lnet/lib-lnet.h:44,
> >                  from drivers/staging/lustre/lnet/lnet/api-ni.c:38:
> > drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h: In function 'set_shrinker':
> > drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h:102:3: error: 'struct shrinker' has no member named 'shrink'
> >   s->shrink = func;
> >    ^
> >
> > Caused by commit a37f14f05f2f ("shrinker: Kill old ->shrink API") from
> > the akpm tree interacting with the new Lustre client code from the
> > staging tree.
> >
> > I have just disabled the Lustre client code again (by reverting commit
> > ee04fd11f11f ("Revert "Revert "staging/lustre: drop CONFIG_BROKEN
> > dependency""")) and maybe someone can tell me what I need to do to fix
> > this when I get back in a week.
> I have a patchset to fix this but haven't yet sent out because it will
> break build in Greg's staging tree. I can send it now but please tell
> me to whom I should send the patches? Greg's tree doesn't contain
> shrinker change, and mm- tree doesn't have Lustre code.

The mm- tree now has the lustre code since it it based on most of
linux-next, so send them to Andrew.

It will then be up to Andrew and Greg to make sure that the staging tree
is merged into Linus' tree before Andrew's patch bomb.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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