Hi Jeffle, Thank you for the patch! Yet something to improve: [auto build test ERROR on trondmy-nfs/linux-next] [also build test ERROR on rostedt-trace/for-next linus/master v5.17-rc8] [cannot apply to xiang-erofs/dev-test dhowells-fs/fscache-next next-20220316] [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/Jeffle-Xu/fscache-erofs-fscache-based-on-demand-read-semantics/20220316-214711 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: hexagon-randconfig-r041-20220313 (https://download.01.org/0day-ci/archive/20220317/202203170512.Se1LRa68-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6ec1e3d798f8eab43fb3a91028c6ab04e115fcb) 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/f52882624bb750e533d0ffa591c3903f08f6d8bb git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jeffle-Xu/fscache-erofs-fscache-based-on-demand-read-semantics/20220316-214711 git checkout f52882624bb750e533d0ffa591c3903f08f6d8bb # 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: __fscache_relinquish_volume >>> referenced by fscache.c >>> erofs/fscache.o:(erofs_exit_fscache) in archive fs/built-in.a >>> referenced by fscache.c >>> erofs/fscache.o:(erofs_exit_fscache) in archive fs/built-in.a -- >> ld.lld: error: undefined symbol: __fscache_acquire_volume >>> referenced by fscache.c >>> erofs/fscache.o:(erofs_init_fscache) in archive fs/built-in.a >>> referenced by fscache.c >>> erofs/fscache.o:(erofs_init_fscache) in archive fs/built-in.a --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
