tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git swap-dio head: 705b6cfdaad1c83615b91f81a59c946ccba5fb5f commit: d4af67cd798d2b9a628bd685d6a8ce16592af48b [2/9] mm: Add 'supports' field to the address_space_operations to list features config: hexagon-randconfig-r045-20210928 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498) 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://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=d4af67cd798d2b9a628bd685d6a8ce16592af48b git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git git fetch --no-tags dhowells-fs swap-dio git checkout d4af67cd798d2b9a628bd685d6a8ce16592af48b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> fs/fat/inode.c:354:2: error: member reference base type 'sector_t (struct address_space *, sector_t)' (aka 'unsigned long long (struct address_space *, unsigned long long)') is not a structure or union .supports = AS_SUPPORTS_DIRECT_IO, ^~~~~~~~~ 1 error generated. vim +354 fs/fat/inode.c 343 344 static const struct address_space_operations fat_aops = { 345 .set_page_dirty = __set_page_dirty_buffers, 346 .readpage = fat_readpage, 347 .readahead = fat_readahead, 348 .writepage = fat_writepage, 349 .writepages = fat_writepages, 350 .write_begin = fat_write_begin, 351 .write_end = fat_write_end, 352 .direct_IO = fat_direct_IO, 353 .bmap = _fat_bmap > 354 .supports = AS_SUPPORTS_DIRECT_IO, 355 }; 356 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org