Hi Shiyang, Thank you for the patch! Yet something to improve: [auto build test ERROR on xfs-linux/for-next] [also build test ERROR on linux/master] [cannot apply to hnaz-mm/master linus/master v5.17-rc5 next-20220225] [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/Shiyang-Ruan/fsdax-introduce-fs-query-to-support-reflink/20220227-200849 base: https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next config: hexagon-buildonly-randconfig-r005-20220227 (https://download.01.org/0day-ci/archive/20220227/202202272333.bhLvmuHF-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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/9f4bfbd2bae60e9f172e0b7332b2af32aa5baa87 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Shiyang-Ruan/fsdax-introduce-fs-query-to-support-reflink/20220227-200849 git checkout 9f4bfbd2bae60e9f172e0b7332b2af32aa5baa87 # 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=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: dax_unregister_holder >>> referenced by xfs_buf.c >>> xfs/xfs_buf.o:(xfs_free_buftarg) in archive fs/built-in.a >>> referenced by xfs_buf.c >>> xfs/xfs_buf.o:(xfs_free_buftarg) in archive fs/built-in.a -- >> ld.lld: error: undefined symbol: dax_holder >>> referenced by xfs_notify_failure.c >>> xfs/xfs_notify_failure.o:(xfs_dax_notify_failure) in archive fs/built-in.a >>> referenced by xfs_notify_failure.c >>> xfs/xfs_notify_failure.o:(xfs_dax_notify_failure) in archive fs/built-in.a --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
