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: microblaze-randconfig-r036-20210401 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
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/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=gcc-9.3.0 make.cross ARCH=microblaze 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from include/linux/string.h:6,
                    from include/linux/uuid.h:12,
                    from fs/xfs/xfs_linux.h:10,
                    from fs/xfs/xfs.h:22,
                    from fs/xfs/xfs_iops.c:6:
   fs/xfs/xfs_iops.c: In function 'xfs_vn_get_link_inline':
>> fs/xfs/xfs_iops.c:522:9: error: 'dp' undeclared (first use in this function); did you mean 'ip'?
     522 |  ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL);
         |         ^~
   include/linux/compiler.h:77:40: note: in definition of macro 'likely'
      77 | # define likely(x) __builtin_expect(!!(x), 1)
         |                                        ^
   fs/xfs/xfs_iops.c:522:2: note: in expansion of macro 'ASSERT'
     522 |  ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL);
         |  ^~~~~~
   fs/xfs/xfs_iops.c:522:9: note: each undeclared identifier is reported only once for each function it appears in
     522 |  ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL);
         |         ^~
   include/linux/compiler.h:77:40: note: in definition of macro 'likely'
      77 | # define likely(x) __builtin_expect(!!(x), 1)
         |                                        ^
   fs/xfs/xfs_iops.c:522:2: note: in expansion of macro 'ASSERT'
     522 |  ASSERT(dp->i_df.if_format == XFS_DINODE_FMT_LOCAL);
         |  ^~~~~~
--
   In file included from include/linux/string.h:6,
                    from include/linux/uuid.h:12,
                    from fs/xfs/xfs_linux.h:10,
                    from fs/xfs/xfs.h:22,
                    from fs/xfs/xfs_symlink.c:7:
   fs/xfs/xfs_symlink.c: In function 'xfs_readlink':
>> fs/xfs/xfs_symlink.c:107:9: error: 'dp' undeclared (first use in this function); did you mean 'mp'?
     107 |  ASSERT(dp->i_df.if_format != XFS_DINODE_FMT_LOCAL);
         |         ^~
   include/linux/compiler.h:77:40: note: in definition of macro 'likely'
      77 | # define likely(x) __builtin_expect(!!(x), 1)
         |                                        ^
   fs/xfs/xfs_symlink.c:107:2: note: in expansion of macro 'ASSERT'
     107 |  ASSERT(dp->i_df.if_format != XFS_DINODE_FMT_LOCAL);
         |  ^~~~~~
   fs/xfs/xfs_symlink.c:107:9: note: each undeclared identifier is reported only once for each function it appears in
     107 |  ASSERT(dp->i_df.if_format != XFS_DINODE_FMT_LOCAL);
         |         ^~
   include/linux/compiler.h:77:40: note: in definition of macro 'likely'
      77 | # define likely(x) __builtin_expect(!!(x), 1)
         |                                        ^
   fs/xfs/xfs_symlink.c:107:2: note: in expansion of macro 'ASSERT'
     107 |  ASSERT(dp->i_df.if_format != XFS_DINODE_FMT_LOCAL);
         |  ^~~~~~


vim +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