linux-kernel - Re: [PATCH] f2fs: sepearte hot/cold in free nid

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Message-ID: <201804221427.WmgRaqpG%fengguang.wu@intel.com>
Date:   Sun, 22 Apr 2018 14:31:09 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Chao Yu <yuchao0@...wei.com>
Cc:     kbuild-all@...org, jaegeuk@...nel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, chao@...nel.org,
        Chao Yu <yuchao0@...wei.com>
Subject: Re: [PATCH] f2fs: sepearte hot/cold in free nid

Hi Chao,

I love your patch! Perhaps something to improve:

[auto build test WARNING on f2fs/dev-test]
[also build test WARNING on v4.17-rc1 next-20180420]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Chao-Yu/f2fs-sepearte-hot-cold-in-free-nid/20180421-061929
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   fs/f2fs/node.c:486:15: sparse: expression using sizeof(void)
   fs/f2fs/node.c:1744:28: sparse: expression using sizeof(void)
>> fs/f2fs/node.c:2034:6: sparse: symbol 'load_nat_block' was not declared. Should it be static?
   fs/f2fs/node.c:2428:27: sparse: expression using sizeof(void)
   fs/f2fs/node.c:2523:40: sparse: restricted __le32 degrades to integer

Please review and possibly fold the followup patch.

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