diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-17 16:57:20 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-17 16:57:20 -0700 |
| commit | bb07b00be77fb33274cb44a03bdbf2471e556189 (patch) | |
| tree | 620390077de843dd7626998f0d8441d14a6c66d9 /fs/xfs/xfs_dfrag.c | |
| parent | b7165ebbf0898bad9aaeddfa22b918e94ed90e07 (diff) | |
| parent | 7d132055814ef17a6c7b69f342244c410a5e000f (diff) | |
Merge 3.10-rc6 into driver-core-next
We want these fixes here too.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/xfs/xfs_dfrag.c')
| -rw-r--r-- | fs/xfs/xfs_dfrag.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c index f852b082a084..c407e1ccff43 100644 --- a/fs/xfs/xfs_dfrag.c +++ b/fs/xfs/xfs_dfrag.c @@ -219,6 +219,14 @@ xfs_swap_extents( int taforkblks = 0; __uint64_t tmp; + /* + * We have no way of updating owner information in the BMBT blocks for + * each inode on CRC enabled filesystems, so to avoid corrupting the + * this metadata we simply don't allow extent swaps to occur. + */ + if (xfs_sb_version_hascrc(&mp->m_sb)) + return XFS_ERROR(EINVAL); + tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL); if (!tempifp) { error = XFS_ERROR(ENOMEM); |