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Subject: Re: [PATCH RFC 1/2] cfq: request-deadline policy
From: Peter Zijlstra <peterz@infradead.org>
To: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Jens Axboe <axboe@kernel.dk>, linux-kernel@vger.kernel.org,
        Vivek Goyal <vgoyal@redhat.com>
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Date: Wed, 06 Jul 2011 15:41:06 +0200
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On Mon, 2011-07-04 at 17:08 +0400, Konstantin Khlebnikov wrote:
> This patch implements fifo requests dispatching with deadline policy: now cfq
> obliged to dispatch request if it stuck in the queue for more than deadline.

Have you considered BFQ (http://lkml.org/lkml/2008/11/11/148) which is
WF2Q+ variant?