From a25a4e1a5d5dc0f97dddbca44e695c532d8228c1 Mon Sep 17 00:00:00 2001
From: Zheng Liu <wenqing.lz@taobao.com>
Date: Mon, 18 Feb 2013 00:28:04 -0500
Subject: [PATCH] ext4: let ext4_ext_map_blocks return EXT4_MAP_UNWRITTEN flag

This commit lets ext4_ext_map_blocks return EXT4_MAP_UNWRITTEN flag
because in later commit ext4_map_blocks needs to use this flag to
determine the extent status.

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
---
Reading git-format-patch failed