linux-kernel - [goldwynr:iomap 25/33] fs/btrfs/file.c:1781:24: sparse: sparse: symbol 'btrfs_buffered_iomap_ops' was not declared. Should it be static?

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Message-ID: <202112301434.DN0qgOT0-lkp@intel.com>
Date:   Thu, 30 Dec 2021 14:22:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Goldwyn Rodrigues <rgoldwyn@...e.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [goldwynr:iomap 25/33] fs/btrfs/file.c:1781:24: sparse: sparse:
 symbol 'btrfs_buffered_iomap_ops' was not declared. Should it be static?

tree:   https://github.com/goldwynr/linux iomap
head:   30c74a8c201365178cae26d0d7aefa120c3245ab
commit: f4ecee4435f363df5a0fc93124ddddae5f79d9d0 [25/33] btrfs: Switch to iomap_file_buffered_write()
config: i386-randconfig-s001-20211228 (https://download.01.org/0day-ci/archive/20211230/202112301434.DN0qgOT0-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/goldwynr/linux/commit/f4ecee4435f363df5a0fc93124ddddae5f79d9d0
        git remote add goldwynr https://github.com/goldwynr/linux
        git fetch --no-tags goldwynr iomap
        git checkout f4ecee4435f363df5a0fc93124ddddae5f79d9d0
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash fs/btrfs/

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/btrfs/file.c:1781:24: sparse: sparse: symbol 'btrfs_buffered_iomap_ops' was not declared. Should it be static?

vim +/btrfs_buffered_iomap_ops +1781 fs/btrfs/file.c

  1780	
> 1781	const struct iomap_ops btrfs_buffered_iomap_ops = {
  1782		.iomap_begin = btrfs_buffered_iomap_begin,
  1783		.iomap_end = btrfs_buffered_iomap_end,
  1784	};
  1785	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org