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Date:   Sun, 27 Dec 2020 07:54:01 +0800
From:   kernel test robot <>
To:     Chengguang Xu <>,
        Chengguang Xu <>
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]

base: a409ed156a90093a03fe6a93721ddf4c591eac87
config: i386-randconfig-s002-20201217 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
        # apt-get install sparse
        # sparse version: v0.6.3-184-g1b896707-dirty
        git remote add linux-review
        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 <>

"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

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

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