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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-21 21:07:25 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-21 21:07:25 +0400 |
| commit | 90125edbc49ec58b9101c4271bb1d87b04a4620f (patch) | |
| tree | 068353d4234435b17ade687b50a5d5015bdf1ad9 /drivers/md/dm-thin-metadata.c | |
| parent | 0a8adf584759cbcbce5d88d419db01a8d0373abf (diff) | |
| parent | 9a3c4145af32125c5ee39c0272662b47307a8323 (diff) | |
| download | linux-90125edbc49ec58b9101c4271bb1d87b04a4620f.tar.xz | |
Merge 3.16-rc6 into driver-core-next
We want the platform changes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/dm-thin-metadata.c')
| -rw-r--r-- | drivers/md/dm-thin-metadata.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index b086a945edcb..e9d33ad59df5 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -613,6 +613,15 @@ static int __open_metadata(struct dm_pool_metadata *pmd) disk_super = dm_block_data(sblock); + /* Verify the data block size hasn't changed */ + if (le32_to_cpu(disk_super->data_block_size) != pmd->data_block_size) { + DMERR("changing the data block size (from %u to %llu) is not supported", + le32_to_cpu(disk_super->data_block_size), + (unsigned long long)pmd->data_block_size); + r = -EINVAL; + goto bad_unlock_sblock; + } + r = __check_incompat_features(disk_super, pmd); if (r < 0) goto bad_unlock_sblock; |