From b48652c101cce7a54379a49cc0cf854cec2c94e2 Mon Sep 17 00:00:00 2001
From: Yan Zheng <zheng.yan@oracle.com>
Date: Mon, 4 Aug 2008 23:23:47 -0400
Subject: [PATCH] Btrfs: Various small fixes.

This trivial patch contains two locking fixes and a off by one fix.

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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