diff --git a/[refs] b/[refs]
index b4a74d66365b..ab5bcdad160e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0ee0fda06b943d7ef65f3cec50ab9d427a2baf97
+refs/heads/master: 47ac14fa0f5306c6b97203f4f086bf1fa21dfddb
diff --git a/trunk/fs/btrfs/extent-tree.c b/trunk/fs/btrfs/extent-tree.c
index 37ca8df30c30..4765248000fd 100644
--- a/trunk/fs/btrfs/extent-tree.c
+++ b/trunk/fs/btrfs/extent-tree.c
@@ -1054,6 +1054,7 @@ int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 			goto out;
 		}
 
+		ref->root_gen = root->root_key.offset;
 		ref->bytenr = buf->start;
 		ref->owner = btrfs_header_owner(buf);
 		ref->generation = btrfs_header_generation(buf);