From 920bbbfb05c9fce22e088d20eb9dcb8f96342de9 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Thu, 12 Nov 2009 09:34:08 +0000
Subject: [PATCH] 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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Reading git-format-patch failed