tree: https://github.com/rhvgoyal/linux virtiofs-dax-5.8 head: b779919ca8c764c6664523cba2f8dc7fdb4b29d8 commit: ca29952d27ecbcaa6cfb7c34131742aa70eb06cc [13/20] fuse, dax: Implement dax read/write operations config: s390-randconfig-r022-20200717 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ed6b578040a85977026c93bf4188f996148f3218) 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 s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu git checkout ca29952d27ecbcaa6cfb7c34131742aa70eb06cc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 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 >>): In file included from fs/fuse/file.c:22: return (iomap->addr + pos - iomap->offset) >> SECTOR_SHIFT; ^ 1 error generated. vim +/SECTOR_SHIFT +95 include/linux/iomap.h 63899c6f8851c3 Christoph Hellwig 2018-06-19 91 db074436f42196 Darrick J. Wong 2019-07-15 92 static inline sector_t db074436f42196 Darrick J. Wong 2019-07-15 93 iomap_sector(struct iomap *iomap, loff_t pos) db074436f42196 Darrick J. Wong 2019-07-15 94 { db074436f42196 Darrick J. Wong 2019-07-15 @95 return (iomap->addr + pos - iomap->offset) >> SECTOR_SHIFT; db074436f42196 Darrick J. Wong 2019-07-15 96 } db074436f42196 Darrick J. Wong 2019-07-15 97 :::::: The code at line 95 was first introduced by commit :::::: db074436f421967f4f30cfbb6fbc2a728f3e62b3 iomap: move the direct IO code into a separate file :::::: TO: Darrick J. Wong <darrick.wong(a)oracle.com&gt; :::::: CC: Darrick J. Wong <darrick.wong(a)oracle.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org