From: Zheng Liu <wenqing.lz@taobao.com>
Date: Mon, 18 Feb 2013 05:28:04 +0000 (-0500)
Subject: ext4: let ext4_ext_map_blocks return EXT4_MAP_UNWRITTEN flag
X-Git-Tag: v3.9-rc1~64^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a25a4e1a5d5dc0f97dddbca44e695c532d8228c1;p=pandora-kernel.git

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>
---

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