linux-kernel - [djwong-xfs:vectorized-scrub 143/367] fs/xfs/libxfs/xfs_rmap.c:778:1: warning: declaration does not declare anything

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Date:   Tue, 7 Jun 2022 16:11:34 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Darrick J. Wong" <djwong@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        linux-kernel@...r.kernel.org
Subject: [djwong-xfs:vectorized-scrub 143/367]
 fs/xfs/libxfs/xfs_rmap.c:778:1: warning: declaration does not declare
 anything

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git vectorized-scrub
head:   879e09570c469d3320e25aa7f625ded1a2f5c24e
commit: c4da1521e40e5b2f1094f9d9cad217c773f5641c [143/367] xfs: hook live rmap operations during a repair operation
config: hexagon-buildonly-randconfig-r008-20220605 (https://download.01.org/0day-ci/archive/20220607/202206071624.PPgEhxOl-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b92436efcb7813fc481b30f2593a4907568d917a)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=c4da1521e40e5b2f1094f9d9cad217c773f5641c
        git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git
        git fetch --no-tags djwong-xfs vectorized-scrub
        git checkout c4da1521e40e5b2f1094f9d9cad217c773f5641c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/xfs/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> fs/xfs/libxfs/xfs_rmap.c:778:1: warning: declaration does not declare anything [-Wmissing-declarations]
   static XFS_HOOKS_SWITCH_DEFINE(xfs_rmap_hooks_switch);
   ^~~~~~
   1 warning generated.


vim +778 fs/xfs/libxfs/xfs_rmap.c

   776	
   777	#ifdef CONFIG_XFS_LIVE_HOOKS
 > 778	static XFS_HOOKS_SWITCH_DEFINE(xfs_rmap_hooks_switch);
   779	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp