From 883d0de485222715929f7b7e2a9a34dc9b9b2be2 Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Thu, 25 Jul 2013 19:22:35 +0800
Subject: [PATCH] Btrfs: batch the extent state operation in the end io handle
 of the read page

Before applying this patch, we set the uptodate flag and unlock the extent
by the page size, it is unnecessary, we can do it in batches, it can reduce
the lock contention of the extent state tree.

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