Hi Dai, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on nfs/linux-next] [also build test WARNING on nfsd/nfsd-next v5.9-rc8 next-20201007] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Dai-Ngo/NFSv4-2-Fix-NFS4ERR_STALE-with-inter-server-copy/20201008-092931 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: sparc64-randconfig-s031-20201008 (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-218-gc0e96d6d-dirty # https://github.com/0day-ci/linux/commit/589c5501bac22055fafe42825de27f3cc1c82626 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dai-Ngo/NFSv4-2-Fix-NFS4ERR_STALE-with-inter-server-copy/20201008-092931 git checkout 589c5501bac22055fafe42825de27f3cc1c82626 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sparc64 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/nfs4file.c:27:21: warning: '__nfs42_ssc_open' used but never defined 27 | static struct file *__nfs42_ssc_open(struct vfsmount *ss_mnt, | ^~~~~~~~~~~~~~~~ >> fs/nfs/nfs4file.c:29:13: warning: '__nfs42_ssc_close' used but never defined 29 | static void __nfs42_ssc_close(struct file *filep); | ^~~~~~~~~~~~~~~~~ vim +/__nfs42_ssc_open +27 fs/nfs/nfs4file.c 26 > 27 static struct file *__nfs42_ssc_open(struct vfsmount *ss_mnt, 28 struct nfs_fh *src_fh, nfs4_stateid *stateid); > 29 static void __nfs42_ssc_close(struct file *filep); 30 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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