From 6347b3c433a4cff00eb2299c7f2c7d1d8b24c1fc Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Wed, 5 Dec 2012 10:53:45 +0000
Subject: [PATCH] Btrfs: fix off-by-one error of the same page check in
 btrfs_punch_hole()

(start + len) is the start of the adjacent extent, not the end of the current
extent, so we should not use it to check the hole is on the same page or not.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Reading git-format-patch failed