Hi Chao, I love your patch! Yet something to improve: [auto build test ERROR on f2fs/dev-test] [cannot apply to v5.13-rc1 next-20210510] [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/Chao-Yu/f2fs-compress-add-compre... base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test config: ia64-randconfig-r011-20210510 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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/28d803e509b3847a31e73d7bd20b9f7b7... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chao-Yu/f2fs-compress-add-compress_inode-to-cache-compressed-blocks/20210510-173127 git checkout 28d803e509b3847a31e73d7bd20b9f7b7e559471 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from arch/ia64/include/asm/pgtable.h:154, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from include/linux/rcuwait.h:6, from include/linux/percpu-rwsem.h:7, from include/linux/fs.h:33, from fs/f2fs/super.c:10: arch/ia64/include/asm/mmu_context.h: In function 'reload_context': arch/ia64/include/asm/mmu_context.h:127:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable] 127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; | ^~~~~~~ fs/f2fs/super.c: In function 'kill_f2fs_super': 4194 | truncate_inode_pages_final(COMPRESS_MAPPING(sbi)); | ^~~~~~~~~~~~~~~~ | NODE_MAPPING 4194 | truncate_inode_pages_final(COMPRESS_MAPPING(sbi)); | ^~~~~~~~~~~~~~~~~~~~~ | | | int In file included from include/linux/pagemap.h:8, from include/linux/buffer_head.h:14, from fs/f2fs/super.c:12: include/linux/mm.h:2625:40: note: expected 'struct address_space *' but argument is of type 'int' 2625 | extern void truncate_inode_pages_final(struct address_space *); | ^~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +4194 fs/f2fs/super.c 4179 4180 static void kill_f2fs_super(struct super_block *sb) 4181 { 4182 if (sb->s_root) { 4183 struct f2fs_sb_info *sbi = F2FS_SB(sb); 4184 4185 set_sbi_flag(sbi, SBI_IS_CLOSE); 4186 f2fs_stop_gc_thread(sbi); 4187 f2fs_stop_discard_thread(sbi); 4188 4189 /* 4190 * latter evict_inode() can bypass checking and invalidating 4191 * compress inode cache. 4192 */ 4193 if (test_opt(sbi, COMPRESS_CACHE)) 4195 4196 if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) || 4197 !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) { 4198 struct cp_control cpc = { 4199 .reason = CP_UMOUNT, 4200 }; 4201 f2fs_write_checkpoint(sbi, &cpc); 4202 } 4203 4204 if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb)) 4205 sb->s_flags &= ~SB_RDONLY; 4206 } 4207 kill_block_super(sb); 4208 } 4209 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org