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| author | Dave Airlie <airlied@redhat.com> | 2014-08-05 03:04:59 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-08-05 03:04:59 +0400 |
| commit | 5d42f82a9b8c5168d75cf59307cd271feca94464 (patch) | |
| tree | a7049189a2c814589b3ad7e6e776fb736f980967 /drivers/md/dm-thin-metadata.c | |
| parent | c759606c96dc052373d4c36ea383595da46b04e9 (diff) | |
| parent | 19583ca584d6f574384e17fe7613dfaeadcdc4a6 (diff) | |
| download | linux-5d42f82a9b8c5168d75cf59307cd271feca94464.tar.xz | |
Merge tag 'v3.16' into drm-next
Linux 3.16
backmerge requested by i915, nouveau and radeon authors
Conflicts:
drivers/gpu/drm/i915/i915_gem_render_state.c
drivers/gpu/drm/i915/intel_drv.h
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; |