--- ufo/gluster/swift/common/DiskFile.py.orig	2012-12-21 11:40:12.763297073 -0500
+++ ufo/gluster/swift/common/DiskFile.py	2013-01-09 16:44:02.607838685 -0500
@@ -55,7 +55,8 @@
 
     def __init__(self, path, device, partition, account, container, obj,
                  logger, keep_data_fp=False, disk_chunk_size=65536,
-                 uid=DEFAULT_UID, gid=DEFAULT_GID):
+                 uid=DEFAULT_UID, gid=DEFAULT_GID, iter_hook=None):
+        self.iter_hook = iter_hook
         self.disk_chunk_size = disk_chunk_size
         #Don't support obj_name ending/begining with '/', like /a, a/, /a/b/ etc
         obj = obj.strip('/')