dm thin: allow metadata space larger than supported to go unused

[~andy/linux] / drivers / md / dm-thin-metadata.c

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 3bb4506582a910c1bdd7ee775e7480965323b30f..baa87ff12816382245c520a9a29ed2171d3d4d6a 100644 (file)
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -483,7 +483,7 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd)
 
        disk_super->data_mapping_root = cpu_to_le64(pmd->root);
        disk_super->device_details_root = cpu_to_le64(pmd->details_root);
-       disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE >> SECTOR_SHIFT);
+       disk_super->metadata_block_size = cpu_to_le32(THIN_METADATA_BLOCK_SIZE);
        disk_super->metadata_nr_blocks = cpu_to_le64(bdev_size >> SECTOR_TO_BLOCK_SHIFT);
        disk_super->data_block_size = cpu_to_le32(pmd->data_block_size);
 
@@ -651,7 +651,7 @@ static int __create_persistent_data_objects(struct dm_pool_metadata *pmd, bool f
 {
        int r;
 
-       pmd->bm = dm_block_manager_create(pmd->bdev, THIN_METADATA_BLOCK_SIZE,
+       pmd->bm = dm_block_manager_create(pmd->bdev, THIN_METADATA_BLOCK_SIZE << SECTOR_SHIFT,
                                          THIN_METADATA_CACHE_SIZE,
                                          THIN_MAX_CONCURRENT_LOCKS);
        if (IS_ERR(pmd->bm)) {