From: Shaohua Li <shaohua.li@intel.com>
Date: Fri, 14 Jan 2011 07:41:03 +0000 (+0100)
Subject: block cfq: compensate preempted queue even if it has no slice assigned
X-Git-Tag: v2.6.38-rc1~48^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c553f8e335c00a7cff3ab3f13e793b13d3f2207f;p=pandora-kernel.git

block cfq: compensate preempted queue even if it has no slice assigned

If a queue is preempted before it gets slice assigned, the queue doesn't get
compensation, which looks unfair. For such queue, we compensate it for a whole
slice.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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