Re: [PATCH v2 20/23] xfs: add fs-verity support

[kernel test robot <lkp@intel.com>]

Hi Andrey,

kernel test robot noticed the following build errors:

[auto build test ERROR on xfs-linux/for-next]
[also build test ERROR on kdave/for-next tytso-ext4/dev jaegeuk-f2fs/dev-test jaegeuk-f2fs/dev linus/master v6.3-rc5]
[cannot apply to next-20230404]
[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/20230404-230224
base:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next
patch link:    https://lore.kernel.org/r/20230404145319.2057051-21-aalbersh%40redhat.com
patch subject: [PATCH v2 20/23] xfs: add fs-verity support
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230405/202304050102.zJkNrHah-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/1324353702eaba7da1643d589631adcaedf9a046
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Andrey-Albershteyn/xfs-Add-new-name-to-attri-d/20230404-230224
        git checkout 1324353702eaba7da1643d589631adcaedf9a046
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash fs/xfs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304050102.zJkNrHah-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   In function 'xfs_check_ondisk_structs',
       inlined from 'init_xfs_fs' at fs/xfs/xfs_super.c:2307:2:
>> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_1674' declared with attribute error: XFS: value of strlen(XFS_VERITY_DESCRIPTOR_NAME) is wrong, expected XFS_VERITY_DESCRIPTOR_NAME_LEN
     397 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert'
     378 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
     397 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   fs/xfs/xfs_ondisk.h:19:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      19 |         BUILD_BUG_ON_MSG((value) != (expected), \
         |         ^~~~~~~~~~~~~~~~
   fs/xfs/xfs_ondisk.h:194:9: note: in expansion of macro 'XFS_CHECK_VALUE'
     194 |         XFS_CHECK_VALUE(strlen(XFS_VERITY_DESCRIPTOR_NAME),
         |         ^~~~~~~~~~~~~~~


vim +/__compiletime_assert_1674 +397 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  383  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  384  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  385  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  386  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  387  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  388   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  389   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  390   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  391   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  392   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  393   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  394   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  395   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  396  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @397  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  398  

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