linux-kernel - Re: dm stripe: add DAX support

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Date:	Fri, 24 Jun 2016 20:46:31 +0000
From:	"Kani, Toshimitsu" <toshi.kani@....com>
To:	"lkp@...el.com" <lkp@...el.com>,
	"snitzer@...hat.com" <snitzer@...hat.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-nvdimm@...1.01.org" <linux-nvdimm@...1.01.org>,
	"agk@...hat.com" <agk@...hat.com>,
	"linux-raid@...r.kernel.org" <linux-raid@...r.kernel.org>,
	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	"kbuild-all@...org" <kbuild-all@...org>,
	"ross.zwisler@...ux.intel.com" <ross.zwisler@...ux.intel.com>,
	"dm-devel@...hat.com" <dm-devel@...hat.com>
Subject: Re: dm stripe: add DAX support

On Fri, 2016-06-24 at 16:02 -0400, Mike Snitzer wrote:
> On Fri, Jun 24 2016 at  3:58pm -0400,
> kbuild test robot <lkp@...el.com> wrote:
> 
> > 
> > Hi,
> > 
> > [auto build test WARNING on dm/for-next]
> > [also build test WARNING on v4.7-rc4 next-20160624]
> > [if your patch is applied to the wrong git tree, please drop us a note to
> > help improve the system]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Toshi-Kani/dm-stripe-add-
> > DAX-support/20160625-022600
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linu
> > x-dm.git for-next
> > config: m68k-sun3_defconfig (attached as .config)
> > compiler: m68k-linux-gcc (GCC) 4.9.0
> > reproduce:
> >         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.gi
> > t/plain/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         # save the attached .config to linux build tree
> >         make.cross ARCH=m68k 
> > 
> > All warnings (new ones prefixed by >>):
> > 
> >    drivers/md/dm-stripe.c:452:2: error: unknown field 'direct_access'
> > specified in initializer
> >      .direct_access = stripe_direct_access,
> >      ^
> >    drivers/md/dm-stripe.c:452:2: warning: missing braces around
> > initializer [-Wmissing-braces]
> >    drivers/md/dm-stripe.c:452:2: warning: (near initialization for
> > 'stripe_target.list') [-Wmissing-braces]
> > > 
> > > > 
> > > > drivers/md/dm-stripe.c:452:2: warning: initialization from
> > > > incompatible pointer type
> >    drivers/md/dm-stripe.c:452:2: warning: (near initialization for
> > 'stripe_target.list.next')
>
> FYI, overzealous kbuild robot build failure here.. I haven't staged the
> prereq DM core changes yet because I'm waiting for Jens to take the 2
> block changes those depend on.

This patch applies on top of wip.  Could this be because 'for-next' does not
have the previous dm/dm-linear series?

Thanks,
-Toshi