1 files changed, 5 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 6ba5394834be..df090bf2eec0 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -158,6 +158,8 @@ int __btrfs_cow_block(struct btrfs_trans_handle *trans,
         } else {
                 root_gen = 0;
         }
+        if (!(buf->flags & EXTENT_CSUM))
+                WARN_ON(1);
 
         WARN_ON(root->ref_cows && trans->transid !=
                 root->fs_info->running_transaction->transid);
@@ -245,6 +247,8 @@ int btrfs_cow_block(struct btrfs_trans_handle *trans,
                        root->fs_info->generation);
                 WARN_ON(1);
         }
+        if (!(buf->flags & EXTENT_CSUM))
+                WARN_ON(1);
 
         header_trans = btrfs_header_generation(buf);
         spin_lock(&root->fs_info->hash_lock);
@@ -396,6 +400,7 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans,
                 if (search_start == 0)
                         search_start = last_block;
 
+                btrfs_verify_block_csum(root, cur);
                 err = __btrfs_cow_block(trans, root, cur, parent, i,
                                         &tmp, search_start,
                                         min(16 * blocksize,