Thanks again for the patch Zheng, it has been committed.
--Rich
commit 060dd14cc86c4c911921799980a9ea84b380be38
Author: Zheng Liu <wenqing.lz at taobao.com>
Date: Fri Aug 16 05:28:07 2013 +0000
xfstests: add a new test case for ext4 indirect-based file