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

From: kbuild test robot
Date: Sat Mar 26 2016 - 22:49:02 EST


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@xxxxxxxxxx>
:::::: CC: Dave Chinner <david@xxxxxxxxxxxxx>

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