From 760701bfe14faee8ea0608a9cab2046071d98a39 Mon Sep 17 00:00:00 2001
From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Tue, 30 Nov 2010 20:52:47 +0100
Subject: [PATCH] cfq-iosched: Get rid of on_st flag

It's able to check whether a CFQ group on a service tree by
checking "cfqg->rb_node". There's no need to maintain an
extra flag here.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---
Reading git-format-patch failed