linux-ext4 - Re: [PATCH] ext2: implement ->page

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Date:   Sun, 27 Dec 2020 07:54:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Chengguang Xu <cgxu519@...ernel.net>, jack@...e.com
Cc:     kbuild-all@...ts.01.org, linux-ext4@...r.kernel.org,
        Chengguang Xu <cgxu519@...ernel.net>
Subject: Re: [PATCH] ext2: implement ->page_mkwrite

Hi Chengguang,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.10 next-20201223]
[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/Chengguang-Xu/ext2-implement-page_mkwrite/20201218-214646
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a409ed156a90093a03fe6a93721ddf4c591eac87
config: i386-randconfig-s002-20201217 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-184-g1b896707-dirty
        # https://github.com/0day-ci/linux/commit/24259119fbeffce3b221c39c3b8bc0f2d5b1e750
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Chengguang-Xu/ext2-implement-page_mkwrite/20201218-214646
        git checkout 24259119fbeffce3b221c39c3b8bc0f2d5b1e750
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


"sparse warnings: (new ones prefixed by >>)"
>> fs/ext2/file.c:33:12: sparse: sparse: symbol 'ext2_page_mkwrite' was not declared. Should it be static?
>> fs/ext2/file.c:50:35: sparse: sparse: symbol 'ext2_vm_ops' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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

Download attachment ".config.gz" of type "application/gzip" (37959 bytes)