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

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Message-ID: <20160624200239.GA15587@redhat.com>
Date:	Fri, 24 Jun 2016 16:02:40 -0400
From:	Mike Snitzer <snitzer@...hat.com>
To:	kbuild test robot <lkp@...el.com>
Cc:	Toshi Kani <toshi.kani@....com>, kbuild-all@...org,
	linux-nvdimm@...1.01.org, dm-devel@...hat.com,
	linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alasdair Kergon <agk@...hat.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Ross Zwisler <ross.zwisler@...ux.intel.com>
Subject: Re: dm stripe: add DAX support

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/linux-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.git/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.

Mike