[kbuild-all] [gfs2:trusted-xattr 2/2] fs/gfs2/xattr.c:73:6: warning: no previous prototype for function 'gfs2_eatype_valid'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git trusted-xattr head: 533310c3f8a7c01b324d68200d1578b416b681d3 commit: 533310c3f8a7c01b324d68200d1578b416b681d3 [2/2] gfs2: Add trusted xattr support config: x86_64-randconfig-a005-20201111 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a7b65741441556d295079fc4f2391d99fd1c1111) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git/commi... git remote add gfs2 https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git git fetch --no-tags gfs2 trusted-xattr git checkout 533310c3f8a7c01b324d68200d1578b416b681d3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): bool gfs2_eatype_valid(struct gfs2_sbd *sdp, u8 type) ^ fs/gfs2/xattr.c:73:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool gfs2_eatype_valid(struct gfs2_sbd *sdp, u8 type) ^ static 1 warning generated. vim +/gfs2_eatype_valid +73 fs/gfs2/xattr.c 72 74 { 75 switch(sdp->sd_sb.sb_fs_format) { 76 case GFS2_FORMAT_FS_MAX: 77 return true; 78 79 case GFS2_FORMAT_FS_MIN: 80 return type <= GFS2_EATYPE_SECURITY; 81 82 default: 83 return false; 84 } 85 } 86 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org