From: Yan, Zheng <zheng.yan@oracle.com>
Date: Thu, 12 Nov 2009 09:34:08 +0000 (+0000)
Subject: Btrfs: Rewrite btrfs_drop_extents
X-Git-Tag: v2.6.33-rc1~7^2~1^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=920bbbfb05c9fce22e088d20eb9dcb8f96342de9;p=pandora-kernel.git

Btrfs: Rewrite btrfs_drop_extents

Rewrite btrfs_drop_extents by using btrfs_duplicate_item, so we can
avoid calling lock_extent within transaction.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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