linux-kernel - Re: [PATCH v6 06/15] ext2, dax: introduce ext2_dax

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Message-ID: <201803181114.Pvmn8NON%fengguang.wu@intel.com>
Date:   Sun, 18 Mar 2018 12:02:16 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     kbuild-all@...org, linux-nvdimm@...ts.01.org,
        Jan Kara <jack@...e.com>, david@...morbit.com, hch@....de,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        jack@...e.cz, ross.zwisler@...ux.intel.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 06/15] ext2, dax: introduce ext2_dax_aops

Hi Dan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.16-rc5 next-20180316]
[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/Dan-Williams/dax-fix-dma-vs-truncate-hole-punch/20180318-050250
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> fs/ext2/inode.c:992:39: sparse: symbol 'ext2_dax_aops' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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