[xiang-linux:erofs/bigpcluster 8/15] include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_279' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct erofs_super_block) != 128

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git erofs/bigpcluster
head:   16a26a97614f95067d504448db4f54a3b88aed3b
commit: dea0fc6963ad3274bb6ca97a1d05291cbb3e5a4b [8/15] erofs: add on-disk compression configurations
config: arm-randconfig-p001-20210325 (attached as .config)
compiler: arm-linux-gnueabi-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://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git/commit/?id=dea0fc6963ad3274bb6ca97a1d05291cbb3e5a4b
        git remote add xiang-linux https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git
        git fetch --no-tags xiang-linux erofs/bigpcluster
        git checkout dea0fc6963ad3274bb6ca97a1d05291cbb3e5a4b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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 >>):

   fs/erofs/super.c:126:14: warning: 'erofs_read_metadata' defined but not used [-Wunused-function]
     126 | static void *erofs_read_metadata(struct super_block *sb, struct page **pagep,
         |              ^~~~~~~~~~~~~~~~~~~
   In file included from <command-line>:
   In function 'erofs_check_ondisk_layout_definitions',
       inlined from 'erofs_module_init' at fs/erofs/super.c:647:2:
>> include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_279' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct erofs_super_block) != 128
     320 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/linux/compiler_types.h:301:4: note: in definition of macro '__compiletime_assert'
     301 |    prefix ## suffix();    \
         |    ^~~~~~
   include/linux/compiler_types.h:320:2: note: in expansion of macro '_compiletime_assert'
     320 |  _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)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   fs/erofs/erofs_fs.h:318:2: note: in expansion of macro 'BUILD_BUG_ON'
     318 |  BUILD_BUG_ON(sizeof(struct erofs_super_block) != 128);
         |  ^~~~~~~~~~~~


vim +/__compiletime_assert_279 +320 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  306  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  307  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  308  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  309  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  310  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  311   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  312   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  313   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  314   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  315   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  316   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  317   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  318   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  319  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @320  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  321  

:::::: The code at line 320 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@kernel.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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