From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 14 Jul 2011 03:18:33 +0000 (+0000)
Subject: Btrfs: clean up code for merging extent maps
X-Git-Tag: v3.1-rc1~82^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d2c8f62f12a6652db67cc0c1f4a4a498b05ddbc;p=pandora-kernel.git

Btrfs: clean up code for merging extent maps

unpin_extent_cache() and add_extent_mapping() shares the same code
that merges extent maps.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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