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] [cannot apply to xiang-erofs/dev-test dhowells-fs/fscache-next next-20220325] [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/20220325-203555 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: csky-defconfig (https://download.01.org/0day-ci/archive/20220326/202203260406.Ay5o7T9U-lkp@xxxxxxxxx/config) compiler: csky-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/ec8aa2f84eb47244377e4b822dd77d82ee54714a 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/20220325-203555 git checkout ec8aa2f84eb47244377e4b822dd77d82ee54714a # 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=csky 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 >>): csky-linux-ld: fs/cachefiles/daemon.o: in function `cachefiles_ondemand_daemon_read': >> daemon.c:(.text+0x97c): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here csky-linux-ld: fs/cachefiles/interface.o: in function `cachefiles_ondemand_daemon_read': interface.c:(.text+0x1ec): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here csky-linux-ld: fs/cachefiles/io.o: in function `cachefiles_ondemand_daemon_read': io.c:(.text+0x720): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here csky-linux-ld: fs/cachefiles/key.o: in function `cachefiles_ondemand_daemon_read': key.c:(.text+0x0): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here csky-linux-ld: fs/cachefiles/main.o: in function `cachefiles_ondemand_daemon_read': main.c:(.text+0x0): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here csky-linux-ld: fs/cachefiles/namei.o: in function `cachefiles_ondemand_daemon_read': namei.c:(.text+0xf8): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here csky-linux-ld: fs/cachefiles/security.o: in function `cachefiles_ondemand_daemon_read': security.c:(.text+0x24): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here csky-linux-ld: fs/cachefiles/volume.o: in function `cachefiles_ondemand_daemon_read': volume.c:(.text+0x0): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here csky-linux-ld: fs/cachefiles/xattr.o: in function `cachefiles_ondemand_daemon_read': xattr.c:(.text+0x0): multiple definition of `cachefiles_ondemand_daemon_read'; fs/cachefiles/cache.o:cache.c:(.text+0x18): first defined here -- 0-DAY CI Kernel Test Service https://01.org/lkp