1 files changed, 19 insertions, 2 deletions

diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 7da347665552..baa87ff12816 100644
--- 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)) {
@@ -1489,6 +1489,23 @@ bool dm_thin_changed_this_transaction(struct dm_thin_device *td)
         return r;
 }
 
+bool dm_pool_changed_this_transaction(struct dm_pool_metadata *pmd)
+{
+        bool r = false;
+        struct dm_thin_device *td, *tmp;
+
+        down_read(&pmd->root_lock);
+        list_for_each_entry_safe(td, tmp, &pmd->thin_devices, list) {
+                if (td->changed) {
+                        r = td->changed;
+                        break;
+                }
+        }
+        up_read(&pmd->root_lock);
+
+        return r;
+}
+
 bool dm_thin_aborted_changes(struct dm_thin_device *td)
 {
         bool r;