Re: [PATCH v3 25/28] xfs: add fs-verity support

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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



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