tree: https://github.com/allisonhenderson/xfs_work.git delayed_attrs_v21_extended head: 1a71ced599b41e7ee9f0ea02427b76c30f71f7dd commit: 6f41023d7f86ea86fd240039d34f78b23d7942a5 [55/62] xfs: parent pointer attribute creation config: s390-allyesconfig (attached as .config) compiler: s390-linux-gcc (GCC) 10.3.0 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 # https://github.com/allisonhenderson/xfs_work/commit/6f41023d7f86ea86fd240... git remote add allisonhenderson-xfs_work https://github.com/allisonhenderson/xfs_work.git git fetch --no-tags allisonhenderson-xfs_work delayed_attrs_v21_extended git checkout 6f41023d7f86ea86fd240039d34f78b23d7942a5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 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 warnings (new ones prefixed by >>): 55 | xfs_init_parent_name_rec( | ^~~~~~~~~~~~~~~~~~~~~~~~ 70 | xfs_init_parent_name_irec( | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/xfs_init_parent_name_rec +55 fs/xfs/libxfs/xfs_parent.c 35 36 /* 37 * Parent pointer attribute handling. 38 * 39 * Because the attribute value is a filename component, it will never be longer 40 * than 255 bytes. This means the attribute will always be a local format 41 * attribute as it is xfs_attr_leaf_entsize_local_max() for v5 filesystems will 42 * always be larger than this (max is 75% of block size). 43 * 44 * Creating a new parent attribute will always create a new attribute - there 45 * should never, ever be an existing attribute in the tree for a new inode. 46 * ENOSPC behavior is problematic - creating the inode without the parent 47 * pointer is effectively a corruption, so we allow parent attribute creation 48 * to dip into the reserve block pool to avoid unexpected ENOSPC errors from 49 * occurring. 50 */ 51 52 53 /* Initializes a xfs_parent_name_rec to be stored as an attribute name */ 54 void 56 struct xfs_parent_name_rec *rec, 57 struct xfs_inode *ip, 58 uint32_t p_diroffset) 59 { 60 xfs_ino_t p_ino = ip->i_ino; 61 uint32_t p_gen = VFS_I(ip)->i_generation; 62 63 rec->p_ino = cpu_to_be64(p_ino); 64 rec->p_gen = cpu_to_be32(p_gen); 65 rec->p_diroffset = cpu_to_be32(p_diroffset); 66 } 67 68 /* Initializes a xfs_parent_name_irec from an xfs_parent_name_rec */ 69 void --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org