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: parisc-randconfig-m031-20220317 (https://download.01.org/0day-ci/archive/20220317/202203170912.gk2sqkaK-lkp@xxxxxxxxx/config) compiler: hppa-linux-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/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=gcc-11.2.0 make.cross O=build_dir ARCH=parisc 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 >>): hppa-linux-ld: fs/erofs/fscache.o: in function `erofs_exit_fscache': >> (.text+0x18): undefined reference to `__fscache_relinquish_volume' hppa-linux-ld: fs/erofs/fscache.o: in function `erofs_init_fscache': >> (.init.text+0x18): undefined reference to `__fscache_acquire_volume' --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
