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From: Vivek Goyal <vgoyal@redhat.com>
To: Corrado Zoccolo <czoccolo@gmail.com>
Cc: Shaohua Li <shaohua.li@intel.com>,
	lkml <linux-kernel@vger.kernel.org>,
	Jens Axboe <jaxboe@fusionio.com>,
	Maxim Patlasov <maxim.patlasov@gmail.com>
Subject: Re: [patch]cfq-iosched: delete deep seeky queue idle logic
Date: Tue, 27 Sep 2011 09:08:43 -0400	[thread overview]
Message-ID: <20110927130843.GA24673@redhat.com> (raw)
In-Reply-To: <CADX3swpctg-yENZE0178x5SS3PTKB3qZE+=vEfNJwqydxLJ95g@mail.gmail.com>

On Sun, Sep 25, 2011 at 09:34:16AM +0200, Corrado Zoccolo wrote:

[..]
> >
> > Anyway, what's wrong with the idea I suggested in other mail of expiring
> > a sync-noidle queue afer few reuqest dispatches so that it does not
> > starve other sync-noidle queues.
> I don't know the current state of the code. Are the noidle queues
> sorted in some tree, by sector number?
> If that is the case, then even an expired queue could still be in
> front of the tree.

I am not aware of any queue sorting based on sector number on sync-noidle
tree. So we should just be able to do round robin.

Thanks
Vivek

  reply	other threads:[~2011-09-27 13:08 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-16  3:09 [patch]cfq-iosched: delete deep seeky queue idle logic Shaohua Li
2011-09-16  6:04 ` Corrado Zoccolo
2011-09-16  6:40   ` Shaohua Li
2011-09-16 19:25     ` Corrado Zoccolo
2011-09-21 11:16       ` Shaohua Li
2011-09-23 13:24         ` Vivek Goyal
2011-09-25  7:34           ` Corrado Zoccolo
2011-09-27 13:08             ` Vivek Goyal [this message]
2011-09-26  0:51           ` Shaohua Li
2011-09-27 13:11             ` Vivek Goyal
     [not found]         ` <CADX3swq0qURdi7VYLAVbsAmX5psPrzq-uvbqANsnLkHO0xcOMQ@mail.gmail.com>
2011-09-26  0:55           ` Shaohua Li
2011-09-27  6:07             ` Corrado Zoccolo
2011-09-27  6:33               ` Shaohua Li
2011-09-28  7:09                 ` Corrado Zoccolo
2011-09-16 13:24   ` Vivek Goyal
2011-09-16 13:37   ` Vivek Goyal
2011-09-16  9:54 ` Tao Ma
2011-09-16 14:08   ` Christoph Hellwig
2011-09-16 14:50     ` Tao Ma

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