Hi Christoph, I love your patch! Yet something to improve: [auto build test ERROR on xfs-linux/for-next] [also build test ERROR on v5.12-rc5 next-20210401] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Christoph-Hellwig/xfs-move-the-XFS_IFEXTENTS-check-into-xfs_iread_extents/20210402-232422 base: https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next config: x86_64-randconfig-r034-20210401 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project b23a314146956dd29b719ab537608ced736fc036) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/3a376a77f4296e338a26df75eb05a1b7ae0def2a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Christoph-Hellwig/xfs-move-the-XFS_IFEXTENTS-check-into-xfs_iread_extents/20210402-232422 git checkout 3a376a77f4296e338a26df75eb05a1b7ae0def2a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> fs/xfs/xfs_iops.c:522:9: error: use of undeclared identifier 'dp' ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL); ^ 1 error generated. -- >> fs/xfs/xfs_symlink.c:107:9: error: use of undeclared identifier 'dp' ASSERT(dp->i_df.if_format != XFS_DINODE_FMT_LOCAL); ^ 1 error generated. vim +/dp +522 fs/xfs/xfs_iops.c 512 513 STATIC const char * 514 xfs_vn_get_link_inline( 515 struct dentry *dentry, 516 struct inode *inode, 517 struct delayed_call *done) 518 { 519 struct xfs_inode *ip = XFS_I(inode); 520 char *link; 521 > 522 ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL); 523 524 /* 525 * The VFS crashes on a NULL pointer, so return -EFSCORRUPTED if 526 * if_data is junk. 527 */ 528 link = ip->i_df.if_u1.if_data; 529 if (XFS_IS_CORRUPT(ip->i_mount, !link)) 530 return ERR_PTR(-EFSCORRUPTED); 531 return link; 532 } 533 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org