Hi Nitesh, Thank you for the patch! Yet something to improve: [auto build test ERROR on device-mapper-dm/for-next] [also build test ERROR on linus/master v6.2 next-20230220] [cannot apply to axboe-block/for-next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Nitesh-Shetty/block-Add-copy-offload-support-infrastructure/20230220-205057 base: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next patch link: https://lore.kernel.org/r/20230220105336.3810-5-nj.shetty%40samsung.com patch subject: [PATCH v7 4/8] fs, block: copy_file_range for def_blk_ops for direct block device. config: arm-randconfig-r046-20230220 (https://download.01.org/0day-ci/archive/20230221/202302210631.4JSFH2VI-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/0f95ad2cb727ac6ac8406a01ff216d9237b403b7 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Nitesh-Shetty/block-Add-copy-offload-support-infrastructure/20230220-205057 git checkout 0f95ad2cb727ac6ac8406a01ff216d9237b403b7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302210631.4JSFH2VI-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: arm-linux-gnueabi-ld: DWARF error: could not find abbrev number 19 fs/read_write.o: in function `generic_copy_file_checks': >> read_write.c:(.text+0x8980): undefined reference to `I_BDEV' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests