tree: https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git erofs/bigpcluster head: 5dafd554d91bf4e2dc40e9974b920ef33a29ee0a commit: b2125db45e12b9f5c5e7ae370cfa90bb21f5e428 [11/13] erofs: adjust per-CPU buffers according to max_pclusterblks config: s390-randconfig-r015-20210228 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 83bc7815c4235786111aa2abf7193292e4a602f5) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git/commit/?i... git remote add xiang-linux https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git git fetch --no-tags xiang-linux erofs/bigpcluster git checkout b2125db45e12b9f5c5e7ae370cfa90bb21f5e428 # 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/erofs/super.c:15: In file included from fs/erofs/xattr.h:10: fs/erofs/internal.h:445:18: error: no member named 'lz4_max_distance' in 'struct erofs_super_block' if (lz4 || dsb->lz4_max_distance) { ~~~ ^ err = erofs_pcpubuf_growsize(sbi->lz4.max_pclusterblks); ~~~ ^ 2 errors generated. vim +524 fs/erofs/super.c 523 525 if (err) 526 return err; 527 528 /* get the root inode */ 529 inode = erofs_iget(sb, ROOT_NID(sbi), true); 530 if (IS_ERR(inode)) 531 return PTR_ERR(inode); 532 533 if (!S_ISDIR(inode->i_mode)) { 534 erofs_err(sb, "rootino(nid %llu) is not a directory(i_mode %o)", 535 ROOT_NID(sbi), inode->i_mode); 536 iput(inode); 537 return -EINVAL; 538 } 539 540 sb->s_root = d_make_root(inode); 541 if (!sb->s_root) 542 return -ENOMEM; 543 544 erofs_shrinker_register(sb); 545 /* sb->s_umount is already locked, SB_ACTIVE and SB_BORN are not set */ 546 err = erofs_init_managed_cache(sb); 547 if (err) 548 return err; 549 550 erofs_info(sb, "mounted with root inode @ nid %llu.", ROOT_NID(sbi)); 551 return 0; 552 } 553 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org