From: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Date: Tue, 15 Dec 2009 09:08:45 +0000 (+0100)
Subject: cfq: set workload as expired if it doesn't have any slice left
X-Git-Tag: v2.6.33-rc1~76^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=66ae291978177d5c012015f12b8fbc76dc7d0965;p=pandora-kernel.git

cfq: set workload as expired if it doesn't have any slice left

When a group is resumed, if it doesn't have workload slice left,
we should set workload_expires as expired. Otherwise, we might
start from where we left in previous group by error.
Thanks the idea from Corrado.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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