tree: https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git for-next head: 9d0084204c8a7e01f9b8ebe81402be61e0a67a62 commit: ec80c70d41f2bb63d9e62204d3a3450c41678f67 [14/38] iomap: Add done_before argument to iomap_dio_rw config: mips-randconfig-r015-20211013 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a8c695542b2987eb9a203d5663a0740cb4725f) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git/commi... git remote add gfs2 https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git git fetch --no-tags gfs2 for-next git checkout ec80c70d41f2bb63d9e62204d3a3450c41678f67 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/pci/ fs/erofs/ 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 >>): NULL, 0); ^ include/linux/iomap.h:340:9: note: 'iomap_dio_rw' declared here ssize_t iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, ^ 1 error generated. vim +290 fs/erofs/data.c a08e67a0280215 Huang Jianan 2021-08-05 274 a08e67a0280215 Huang Jianan 2021-08-05 275 static ssize_t erofs_file_read_iter(struct kiocb *iocb, struct iov_iter *to) a08e67a0280215 Huang Jianan 2021-08-05 276 { a08e67a0280215 Huang Jianan 2021-08-05 277 /* no need taking (shared) inode lock since it's a ro filesystem */ a08e67a0280215 Huang Jianan 2021-08-05 278 if (!iov_iter_count(to)) a08e67a0280215 Huang Jianan 2021-08-05 279 return 0; a08e67a0280215 Huang Jianan 2021-08-05 280 06252e9ce05b94 Gao Xiang 2021-08-05 281 #ifdef CONFIG_FS_DAX 06252e9ce05b94 Gao Xiang 2021-08-05 282 if (IS_DAX(iocb->ki_filp->f_mapping->host)) 06252e9ce05b94 Gao Xiang 2021-08-05 283 return dax_iomap_rw(iocb, to, &erofs_iomap_ops); 06252e9ce05b94 Gao Xiang 2021-08-05 284 #endif a08e67a0280215 Huang Jianan 2021-08-05 285 if (iocb->ki_flags & IOCB_DIRECT) { a08e67a0280215 Huang Jianan 2021-08-05 286 int err = erofs_prepare_dio(iocb, to); a08e67a0280215 Huang Jianan 2021-08-05 287 a08e67a0280215 Huang Jianan 2021-08-05 288 if (!err) a08e67a0280215 Huang Jianan 2021-08-05 289 return iomap_dio_rw(iocb, to, &erofs_iomap_ops, a08e67a0280215 Huang Jianan 2021-08-05 @290 NULL, 0); a08e67a0280215 Huang Jianan 2021-08-05 291 if (err < 0) a08e67a0280215 Huang Jianan 2021-08-05 292 return err; a08e67a0280215 Huang Jianan 2021-08-05 293 } a08e67a0280215 Huang Jianan 2021-08-05 294 return filemap_read(iocb, to, 0); a08e67a0280215 Huang Jianan 2021-08-05 295 } a08e67a0280215 Huang Jianan 2021-08-05 296 :::::: The code at line 290 was first introduced by commit :::::: a08e67a0280215f74eccf14fda81dd7fed6596ba erofs: iomap support for non-tailpacking DIO :::::: TO: Huang Jianan <huangjianan(a)oppo.com&gt; :::::: CC: Gao Xiang <hsiangkao(a)linux.alibaba.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org