linux-kernel - fs/xfs/xfs_ondisk.h:86:2: error: call to '__compiletime_assert_86' declared with attribute error: XFS: sizeof(xfs_dir2_data_unused

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Message-ID: <201603271000.W9kXXwEq%fengguang.wu@intel.com>
Date:	Sun, 27 Mar 2016 10:48:01 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	Dave Chinner <david@...morbit.com>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: fs/xfs/xfs_ondisk.h:86:2: error: call to '__compiletime_assert_86'
 declared with attribute error: XFS: sizeof(xfs_dir2_data_unused_t) is wrong,
 expected 6

Hi Dave,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f55532a0c0b8bb6148f4e07853b876ef73bc69ca
commit: ab9d1e4f7b0217948a3b35a64178602ab30ff45d Merge branch 'xfs-misc-fixes-4.6-3' into for-next
date:   3 weeks ago
config: openrisc-allmodconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout ab9d1e4f7b0217948a3b35a64178602ab30ff45d
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All errors (new ones prefixed by >>):

   In file included from fs/xfs/xfs_super.c:48:0:
   In function 'xfs_check_ondisk_structs',
       inlined from 'init_xfs_fs' at fs/xfs/xfs_super.c:1862:26:
>> fs/xfs/xfs_ondisk.h:86:2: error: call to '__compiletime_assert_86' declared with attribute error: XFS: sizeof(xfs_dir2_data_unused_t) is wrong, expected 6
>> fs/xfs/xfs_ondisk.h:96:2: error: call to '__compiletime_assert_96' declared with attribute error: XFS: sizeof(xfs_dir2_sf_entry_t) is wrong, expected 3
>> fs/xfs/xfs_ondisk.h:97:2: error: call to '__compiletime_assert_97' declared with attribute error: XFS: sizeof(xfs_dir2_sf_hdr_t) is wrong, expected 10

vim +/__compiletime_assert_86 +86 fs/xfs/xfs_ondisk.h

30cbc591 Darrick J. Wong 2016-03-09   80  	XFS_CHECK_STRUCT_SIZE(xfs_da_blkinfo_t,			12);
30cbc591 Darrick J. Wong 2016-03-09   81  	XFS_CHECK_STRUCT_SIZE(xfs_da_intnode_t,			16);
30cbc591 Darrick J. Wong 2016-03-09   82  	XFS_CHECK_STRUCT_SIZE(xfs_da_node_entry_t,		8);
30cbc591 Darrick J. Wong 2016-03-09   83  	XFS_CHECK_STRUCT_SIZE(xfs_da_node_hdr_t,		16);
30cbc591 Darrick J. Wong 2016-03-09   84  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_free_t,		4);
30cbc591 Darrick J. Wong 2016-03-09   85  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_hdr_t,		16);
30cbc591 Darrick J. Wong 2016-03-09  @86  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_data_unused_t,		6);
30cbc591 Darrick J. Wong 2016-03-09   87  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_hdr_t,		16);
30cbc591 Darrick J. Wong 2016-03-09   88  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_free_t,			16);
30cbc591 Darrick J. Wong 2016-03-09   89  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino4_t,			4);
30cbc591 Darrick J. Wong 2016-03-09   90  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_ino8_t,			8);
30cbc591 Darrick J. Wong 2016-03-09   91  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_inou_t,			8);
30cbc591 Darrick J. Wong 2016-03-09   92  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_entry_t,		8);
30cbc591 Darrick J. Wong 2016-03-09   93  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_hdr_t,		16);
30cbc591 Darrick J. Wong 2016-03-09   94  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_t,			16);
30cbc591 Darrick J. Wong 2016-03-09   95  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_leaf_tail_t,		4);
30cbc591 Darrick J. Wong 2016-03-09  @96  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_entry_t,		3);
30cbc591 Darrick J. Wong 2016-03-09  @97  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_hdr_t,		10);
30cbc591 Darrick J. Wong 2016-03-09   98  	XFS_CHECK_STRUCT_SIZE(xfs_dir2_sf_off_t,		2);
30cbc591 Darrick J. Wong 2016-03-09   99  
30cbc591 Darrick J. Wong 2016-03-09  100  	/* log structures */

:::::: The code at line 86 was first introduced by commit
:::::: 30cbc591c34e680e8b5d6d675ea49effe42a0570 xfs: check sizes of XFS on-disk structures at compile time

:::::: TO: Darrick J. Wong <darrick.wong@...cle.com>
:::::: CC: Dave Chinner <david@...morbit.com>

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