From efa56464562991b8c24f965199888806bd8c4b38 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zheng.yan@oracle.com>
Date: Sun, 16 May 2010 10:49:59 -0400
Subject: [PATCH] Btrfs: Pre-allocate space for data relocation

Pre-allocate space for data relocation. This can detect ENOPSC
condition caused by fragmentation of free space.

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