linux-kernel - Re: [PATCH]cfq-iosched: split seeky coop queues after one slice

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Message-ID: <x49iqbhc3ny.fsf@segfault.boston.devel.redhat.com>
Date:	Mon, 04 Jan 2010 10:04:17 -0500
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Shaohua Li <shaohua.li@...el.com>
Cc:	Corrado Zoccolo <czoccolo@...il.com>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"jens.axboe\@oracle.com" <jens.axboe@...cle.com>,
	"Zhang\, Yanmin" <yanmin.zhang@...el.com>
Subject: Re: [PATCH]cfq-iosched: split seeky coop queues after one slice

Shaohua Li <shaohua.li@...el.com> writes:

> Currently we split seeky coop queues after 1s, which is too big. Below patch
> marks seeky coop queue split_coop flag after one slice. After that, if new
> requests come in, the queues will be splitted. Patch is suggested by Corrado.
>
> Signed-off-by: Shaohua Li <shaohua.li@...el.com>
> Reviewed-by: Corrado Zoccolo <czoccolo@...il.com>

This makes a lot of sense.  Thanks for looking into it.

Signed-off-by: Jeff Moyer <jmoyer@...hat.com>
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