Hi Bruce, I love your patch! Yet something to improve: [auto build test ERROR on nfs/linux-next] [also build test ERROR on linus/master v5.14-rc6 next-20210816] [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/J-Bruce-Fields/reexport-lock-fix... base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: arc-defconfig (attached as .config) compiler: arc-elf-gcc (GCC) 11.2.0 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://github.com/0day-ci/linux/commit/a058b36c95ee50bc722c8077747279f6c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review J-Bruce-Fields/reexport-lock-fixes-v2/20210816-222314 git checkout a058b36c95ee50bc722c8077747279f6c7277edc # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arc-elf-ld: fs/lockd/svclock.o: in function `nlmsvc_lock': svclock.c:(.text+0xb80): undefined reference to `nlmsvc_file_inode' arc-elf-ld: fs/lockd/svcsubs.o: in function `nlmsvc_match_sb': svcsubs.c:(.text+0x5a): undefined reference to `nlmsvc_file_inode' arc-elf-ld: svcsubs.c:(.text+0x5a): undefined reference to `nlmsvc_file_inode' arc-elf-ld: fs/lockd/svcsubs.o: in function `nlmsvc_unlock_all_by_sb': svcsubs.c:(.text+0x16e): undefined reference to `nlmsvc_file_inode' arc-elf-ld: fs/lockd/svcsubs.o:svcsubs.c:(.text+0x16e): more undefined references to `nlmsvc_file_inode' follow --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org