tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 32ce2abb03cfae17a9eb42bd6b1b619b72f23f20 commit: 82ebfb0d633383ee00156e2b5bfa9ddf8c550b65 [11662/12034] NFSv4.1 query for fs_location attr on a new file system config: i386-randconfig-a011 (https://download.01.org/0day-ci/archive/20220112/202201122054.45b1t1el-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 244dd2913a43a200f5a6544d424cdc37b771028b) 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/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 82ebfb0d633383ee00156e2b5bfa9ddf8c550b65 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/nfs/ 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 >>): int nfs4_discover_trunking(struct nfs_server *server, struct nfs_fh *fhandle) ^ fs/nfs/nfs4proc.c:4008:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int nfs4_discover_trunking(struct nfs_server *server, struct nfs_fh *fhandle) ^ static 1 warning generated. vim +/nfs4_discover_trunking +4008 fs/nfs/nfs4proc.c 4007 4009 { 4010 struct nfs4_exception exception = { 4011 .interruptible = true, 4012 }; 4013 struct nfs_client *clp = server->nfs_client; 4014 int err = 0; 4015 4016 if (!nfs4_has_session(clp)) 4017 goto out; 4018 do { 4019 err = nfs4_handle_exception(server, 4020 _nfs4_discover_trunking(server, fhandle), 4021 &exception); 4022 } while (exception.retry); 4023 out: 4024 return err; 4025 } 4026 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org