linux-kernel - Re: [PATCH 1/3] fat: define functions and data structures for a formatted name cache

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Date:   Mon, 30 Aug 2021 05:05:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Caleb D.S. Brzezinski" <calebdsb@...tonmail.com>,
        hirofumi@...l.parknet.co.jp
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        "Caleb D.S. Brzezinski" <calebdsb@...tonmail.com>
Subject: Re: [PATCH 1/3] fat: define functions and data structures for a
 formatted name cache

Hi "Caleb,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on 85a90500f9a1717c4e142ce92e6c1cb1a339ec78]

url:    https://github.com/0day-ci/linux/commits/Caleb-D-S-Brzezinski/fat-add-a-cache-for-msdos_format_name/20210829-222721
base:   85a90500f9a1717c4e142ce92e6c1cb1a339ec78
config: x86_64-randconfig-s021-20210829 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-348-gf0e6938b-dirty
        # https://github.com/0day-ci/linux/commit/146971c07a5f865afc968df1d25fa312a5a38b24
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Caleb-D-S-Brzezinski/fat-add-a-cache-for-msdos_format_name/20210829-222721
        git checkout 146971c07a5f865afc968df1d25fa312a5a38b24
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/fat/

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/fat/namei_msdos.c:37:1: sparse: sparse: symbol 'msdos_ncache' was not declared. Should it be static?
>> fs/fat/namei_msdos.c:38:1: sparse: sparse: symbol 'msdos_ncache_mutex' 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" (36697 bytes)