tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ff90dfd2579b2c7bc1f0baa0cb99c918c6c1ec64 commit: 02591f9febd5f69bb4c266a4abf899c4cf21964f [6011/11791] NFSv4_2: SSC helper should use its own config. config: x86_64-randconfig-r034-20210219 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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/next/linux-next.git/commit/?id=02591f9febd5f69bb4c266a4abf899c4cf21964f 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 02591f9febd5f69bb4c266a4abf899c4cf21964f # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): >> fs/nfs/super.c:90:40: warning: unused variable 'nfs_ssc_clnt_ops_tbl' [-Wunused-const-variable] static const struct nfs_ssc_client_ops nfs_ssc_clnt_ops_tbl = { ^ 1 warning generated. -- >> fs/nfs/nfs4file.c:410:41: warning: unused variable 'nfs4_ssc_clnt_ops_tbl' [-Wunused-const-variable] static const struct nfs4_ssc_client_ops nfs4_ssc_clnt_ops_tbl = { ^ 1 warning generated. vim +/nfs_ssc_clnt_ops_tbl +90 fs/nfs/super.c f7b422b17ee5ee David Howells 2006-06-09 88 02591f9febd5f6 Dai Ngo 2021-01-28 89 #ifdef CONFIG_NFS_V4_2 0cfcd405e758ba Dai Ngo 2020-10-18 @90 static const struct nfs_ssc_client_ops nfs_ssc_clnt_ops_tbl = { 0cfcd405e758ba Dai Ngo 2020-10-18 91 .sco_sb_deactive = nfs_sb_deactive, 0cfcd405e758ba Dai Ngo 2020-10-18 92 }; 02591f9febd5f6 Dai Ngo 2021-01-28 93 #endif 0cfcd405e758ba Dai Ngo 2020-10-18 94 :::::: The code at line 90 was first introduced by commit :::::: 0cfcd405e758ba1d277e58436fb32f06888c3e41 NFSv4.2: Fix NFS4ERR_STALE error when doing inter server copy :::::: TO: Dai Ngo <dai.ngo@xxxxxxxxxx> :::::: CC: J. Bruce Fields <bfields@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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