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| author |   David S. Miller <davem@davemloft.net> | 2014-07-22 00:44:59 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-22 00:44:59 -0700 |
| commit | 8fd90bb889635fa1e7f80a3950948cc2e74c1446 (patch) | |
| tree | 1490343b5ad9f88b9333e53fa9457c00cbf6c2d1 /drivers/md/dm-thin-metadata.c | |
| parent | Merge branch 'cxgb4-next' (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-dev-8fd90bb889635fa1e7f80a3950948cc2e74c1446.tar.xz linux-dev-8fd90bb889635fa1e7f80a3950948cc2e74c1446.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/infiniband/hw/cxgb4/device.c
The cxgb4 conflict was simply overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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; |