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From: Dan Williams <dan.j.williams@intel.com>
To: kernel test robot <lkp@intel.com>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
	kbuild-all@lists.01.org, Vishal Verma <vishal.l.verma@intel.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Ira Weiny <ira.weiny@intel.com>,
	linux-block@vger.kernel.org,
	Linux NVDIMM <nvdimm@lists.linux.dev>
Subject: Re: [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem
Date: Mon, 20 Sep 2021 16:29:33 -0700	[thread overview]
Message-ID: <CAPcyv4gPf74k7Lz8Uh2ni1bv7Po3pDPyBr24w4ea6ZzdvRjOQw@mail.gmail.com> (raw)
In-Reply-To: <202109210155.7rqblE6U-lkp@intel.com>

On Mon, Sep 20, 2021 at 11:01 AM kernel test robot <lkp@intel.com> wrote:
>
> Hi Christoph,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on axboe-block/for-next]
> [also build test ERROR on linus/master v5.15-rc2 next-20210920]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:    https://github.com/0day-ci/linux/commits/Christoph-Hellwig/nvdimm-pmem-fix-creating-the-dax-group/20210920-162804
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
> config: riscv-buildonly-randconfig-r006-20210920 (attached as .config)
> compiler: riscv64-linux-gcc (GCC) 11.2.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/0day-ci/linux/commit/1a16d0f32f70bcd159a9f8cf32794f4024e8711e
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Christoph-Hellwig/nvdimm-pmem-fix-creating-the-dax-group/20210920-162804
>         git checkout 1a16d0f32f70bcd159a9f8cf32794f4024e8711e
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=riscv
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
>    drivers/dax/super.c:375:6: error: no previous prototype for 'run_dax' [-Werror=missing-prototypes]
>      375 | void run_dax(struct dax_device *dax_dev)
>          |      ^~~~~~~

In this new -Werror world drivers/dax/bus.c needs:

#include "bus.h"

> >> drivers/dax/super.c:70:27: error: 'dax_get_by_host' defined but not used [-Werror=unused-function]
>       70 | static struct dax_device *dax_get_by_host(const char *host)
>          |                           ^~~~~~~~~~~~~~~
>    cc1: all warnings being treated as errors

Nice additional cleanup that now fs_dax_get_by_bdev() is the only
caller of dax_get_by_host().

  reply	other threads:[~2021-09-21  2:17 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-20  7:27 fix a dax/block device attribute registration regression Christoph Hellwig
2021-09-20  7:27 ` [PATCH 1/3] nvdimm/pmem: fix creating the dax group Christoph Hellwig
2021-09-20 22:52   ` Ira Weiny
2021-09-20 23:09   ` Dan Williams
2021-09-20  7:27 ` [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem Christoph Hellwig
2021-09-20 18:00   ` kernel test robot
2021-09-20 23:29     ` Dan Williams [this message]
2021-09-20 22:51   ` Ira Weiny
2021-09-20 23:36     ` Dan Williams
2021-09-20 23:37   ` Dan Williams
2021-09-20  7:27 ` [PATCH 3/3] block: warn if ->groups is set when calling add_disk Christoph Hellwig
2021-09-20 22:52   ` Ira Weiny
2021-09-20 23:50   ` Dan Williams
2021-09-21  6:32     ` Christoph Hellwig
2021-09-22 18:33 fix a dax/block device attribute registration regression Christoph Hellwig
2021-09-22 18:33 ` [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem Christoph Hellwig
2021-09-22 21:40   ` Ira Weiny

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