Re: [PATCH 2/2] xfs: fix stale data exposure problem when punch hole, collapse range or zero range across a delalloc extent

[kbuild test robot]

Hi yu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on xfs-linux/for-next]
[cannot apply to djwong-xfs/djwong-devel v5.5-rc3 next-20191220]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/yu-kuai/fix-stale-data-exposure-problem/20191226-235515
base:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-129-g341daf20-dirty
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)

>> fs/xfs/xfs_file.c:790:1: sparse: sparse: symbol 'try_split_da_extent' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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0-DAY kernel test infrastructure                 Open Source Technology Center
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