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Date:   Sun, 27 Feb 2022 22:05:14 +0800
From:   kernel test robot <lkp@intel.com>
To:     Shiyang Ruan <ruansy.fnst@fujitsu.com>,
        linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
        nvdimm@lists.linux.dev, linux-mm@kvack.org,
        linux-fsdevel@vger.kernel.org
Cc:     kbuild-all@lists.01.org, djwong@kernel.org,
        dan.j.williams@intel.com, david@fromorbit.com, hch@infradead.org,
        jane.chu@oracle.com
Subject: Re: [PATCH v11 7/8] xfs: Implement ->notify_failure() for XFS
Message-ID: <202202272203.U7VlQY3B-lkp@intel.com>
References: <20220227120747.711169-8-ruansy.fnst@fujitsu.com>
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In-Reply-To: <20220227120747.711169-8-ruansy.fnst@fujitsu.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
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Hi Shiyang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on xfs-linux/for-next]
[also build test ERROR on linux/master]
[cannot apply to hnaz-mm/master linus/master v5.17-rc5 next-20220225]
[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/Shiyang-Ruan/fsdax-introduce-fs-query-to-support-reflink/20220227-200849
base:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next
config: i386-randconfig-a003 (https://download.01.org/0day-ci/archive/20220227/202202272203.U7VlQY3B-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/9f4bfbd2bae60e9f172e0b7332b2af32aa5baa87
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Shiyang-Ruan/fsdax-introduce-fs-query-to-support-reflink/20220227-200849
        git checkout 9f4bfbd2bae60e9f172e0b7332b2af32aa5baa87
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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 >>):

   ld: fs/xfs/xfs_buf.o: in function `xfs_free_buftarg':
>> fs/xfs/xfs_buf.c:1897: undefined reference to `dax_unregister_holder'
   ld: fs/xfs/xfs_notify_failure.o: in function `xfs_dax_notify_failure':
>> fs/xfs/xfs_notify_failure.c:187: undefined reference to `dax_holder'


vim +1897 fs/xfs/xfs_buf.c

  1885	
  1886	void
  1887	xfs_free_buftarg(
  1888		struct xfs_buftarg	*btp)
  1889	{
  1890		unregister_shrinker(&btp->bt_shrinker);
  1891		ASSERT(percpu_counter_sum(&btp->bt_io_count) == 0);
  1892		percpu_counter_destroy(&btp->bt_io_count);
  1893		list_lru_destroy(&btp->bt_lru);
  1894	
  1895		blkdev_issue_flush(btp->bt_bdev);
  1896		if (btp->bt_daxdev)
> 1897			dax_unregister_holder(btp->bt_daxdev, btp->bt_mount);
  1898		fs_put_dax(btp->bt_daxdev);
  1899	
  1900		kmem_free(btp);
  1901	}
  1902	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org