linux-kernel - Re: Fwd: [PATCH 0/5] cfq-iosched: improve latency for no-idle queues (v3)

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Message-ID: <x49ocnjqrs5.fsf@segfault.boston.devel.redhat.com>
Date:	Tue, 03 Nov 2009 15:26:02 -0500
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	Corrado Zoccolo <czoccolo@...il.com>,
	Linux-Kernel <linux-kernel@...r.kernel.org>
Subject: Re: Fwd: [PATCH 0/5] cfq-iosched: improve latency for no-idle queues (v3)

Jens Axboe <jens.axboe@...cle.com> writes:

> Since for-linus contains conflicting changes, can you and Jeff please
> double check that everything is still in order? The interesting bit here
> is the merge with for-2.6.33 and the coop limit from Shaohua Li. I did
> the straight forward merge, but we likely just need to drop that logic
> since the coop concept is radically different given that we merge and
> break queues in for-2.6.33.

Yeah, since I changed the meaning of the cfqq_coop flag, a lot of those
tests are just plain wrong.  Let me play with it and I'll send you an
incremental patch in a bit.

Cheers,
Jeff
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