From 974e35a82d022434efa50fe5f805ae14c542ba8c Mon Sep 17 00:00:00 2001
From: Yan <yanzheng@21cn.com>
Date: Thu, 24 Jul 2008 12:18:16 -0400
Subject: [PATCH] Btrfs: Properly release lock in pin_down_bytes

When buffer isn't uptodate, pin_down_bytes may leave the tree locked
after it returns.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Reading git-format-patch failed