tree: git://git.infradead.org/users/hch/misc.git dax-block-cleanup head: 66907b1fedc7f04eadf903bb484c55901b96298c commit: c33e2c44d0f96e5849d131ad472e7ed58bd6f23b [18/29] fsdax: decouple zeroing from the iomap buffered I/O code config: arc-randconfig-r043-20211123 (https://download.01.org/0day-ci/archive/20211124/202111240133.GdLCa9zq-lk...) compiler: arc-elf-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 git remote add hch-misc git://git.infradead.org/users/hch/misc.git git fetch --no-tags hch-misc dax-block-cleanup git checkout c33e2c44d0f96e5849d131ad472e7ed58bd6f23b # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/ext2/inode.c: In function 'ext2_setsize': 1301 | error = dax_zero_range(inode, newsize, | ^~~~~~~~~~~~~~ | iomap_zero_range cc1: some warnings being treated as errors -- fs/ext4/inode.c: In function 'ext4_block_zero_page_range': 3784 | return dax_zero_range(inode, from, length, NULL, | ^~~~~~~~~~~~~~ | iomap_zero_range cc1: some warnings being treated as errors vim +1301 fs/ext2/inode.c 1285 1286 static int ext2_setsize(struct inode *inode, loff_t newsize) 1287 { 1288 int error; 1289 1290 if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || 1291 S_ISLNK(inode->i_mode))) 1292 return -EINVAL; 1293 if (ext2_inode_is_fast_symlink(inode)) 1294 return -EINVAL; 1295 if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) 1296 return -EPERM; 1297 1298 inode_dio_wait(inode); 1299 1300 if (IS_DAX(inode)) { 1302 PAGE_ALIGN(newsize) - newsize, NULL, 1303 &ext2_iomap_ops); 1304 } else if (test_opt(inode->i_sb, NOBH)) 1305 error = nobh_truncate_page(inode->i_mapping, 1306 newsize, ext2_get_block); 1307 else 1308 error = block_truncate_page(inode->i_mapping, 1309 newsize, ext2_get_block); 1310 if (error) 1311 return error; 1312 1313 filemap_invalidate_lock(inode->i_mapping); 1314 truncate_setsize(inode, newsize); 1315 __ext2_truncate_blocks(inode, newsize); 1316 filemap_invalidate_unlock(inode->i_mapping); 1317 1318 inode->i_mtime = inode->i_ctime = current_time(inode); 1319 if (inode_needs_sync(inode)) { 1320 sync_mapping_buffers(inode->i_mapping); 1321 sync_inode_metadata(inode, 1); 1322 } else { 1323 mark_inode_dirty(inode); 1324 } 1325 1326 return 0; 1327 } 1328 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org