From 105d931d482b7d1b1b2dd4b0ea30365db8630b9f Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 18 Nov 2008 12:13:12 -0500
Subject: [PATCH] Btrfs: switch back to wait_on_page_writeback to wait on
 metadata writes

The extent based waiting was using more CPU, and other fixes have helped
with the unplug storm problems.

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