Hi Andrey, kernel test robot noticed the following build warnings: [auto build test WARNING on xfs-linux/for-next] [also build test WARNING on kdave/for-next tytso-ext4/dev jaegeuk-f2fs/dev-test jaegeuk-f2fs/dev linus/master v6.6-rc4 next-20231006] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Andrey-Albershteyn/xfs-Add-new-name-to-attri-d/20231007-025742 base: https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next patch link: https://lore.kernel.org/r/20231006184922.252188-26-aalbersh%40redhat.com patch subject: [PATCH v3 25/28] xfs: add fs-verity support config: powerpc64-randconfig-002-20231007 (https://download.01.org/0day-ci/archive/20231007/202310070701.WiXRnofP-lkp@xxxxxxxxx/config) compiler: powerpc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231007/202310070701.WiXRnofP-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310070701.WiXRnofP-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> fs/xfs/xfs_verity.c:165:1: warning: no previous prototype for 'xfs_read_merkle_tree_block' [-Wmissing-prototypes] 165 | xfs_read_merkle_tree_block( | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/xfs_read_merkle_tree_block +165 fs/xfs/xfs_verity.c 163 164 int > 165 xfs_read_merkle_tree_block( 166 struct inode *inode, 167 unsigned int pos, 168 struct fsverity_block *block, 169 unsigned long num_ra_pages) 170 { 171 struct xfs_inode *ip = XFS_I(inode); 172 struct xfs_fsverity_merkle_key name; 173 int error = 0; 174 struct xfs_da_args args = { 175 .dp = ip, 176 .attr_filter = XFS_ATTR_VERITY, 177 .namelen = sizeof(struct xfs_fsverity_merkle_key), 178 }; 179 xfs_fsverity_merkle_key_to_disk(&name, pos); 180 args.name = (const uint8_t *)&name.merkleoff; 181 182 error = xfs_attr_get(&args); 183 if (error) 184 goto out; 185 186 WARN_ON_ONCE(!args.valuelen); 187 188 /* now we also want to get underlying xfs_buf */ 189 args.op_flags = XFS_DA_OP_BUFFER; 190 error = xfs_attr_get(&args); 191 if (error) 192 goto out; 193 194 block->kaddr = args.value; 195 block->len = args.valuelen; 196 block->cached = args.bp->b_flags & XBF_VERITY_CHECKED; 197 block->context = args.bp; 198 199 return error; 200 201 out: 202 kmem_free(args.value); 203 if (args.bp) 204 xfs_buf_rele(args.bp); 205 return error; 206 } 207 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki