1 files changed, 7 insertions, 2 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 8e1dcda0839c..2f1eb4ae4e1d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -10,8 +10,13 @@ static int check_tree_block(struct btrfs_root *root, struct buffer_head *buf)
         if (buf->b_blocknr != btrfs_header_blocknr(&node->header))
                 BUG();
         if (root->node && btrfs_header_parentid(&node->header) !=
-            btrfs_header_parentid(btrfs_buffer_header(root->node)))
-                BUG();
+            btrfs_header_parentid(btrfs_buffer_header(root->node))) {
+                printk("block %Lu parentids don't match buf %Lu, root %Lu\n",
+                       buf->b_blocknr,
+                       btrfs_header_parentid(&node->header),
+                       btrfs_header_parentid(btrfs_buffer_header(root->node)));
+                WARN_ON(1);
+        }
         return 0;
 }