From: Jens Axboe <axboe@suse.de>
To: Tejun Heo <htejun@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] noop-iosched: reimplementation
Date: Thu, 10 Nov 2005 18:18:56 +0100 [thread overview]
Message-ID: <20051110171855.GF3699@suse.de> (raw)
In-Reply-To: <20051110141751.GB26030@htj.dyndns.org>
On Thu, Nov 10 2005, Tejun Heo wrote:
> The original implementation directly used dispatch queue. As new
> generic dispatch queue imposes stricter rules over ioscheds and
> dispatch queue usage, this direct use becomes somewhat problematic.
> This patch reimplements noop-iosched such that it complies to generic
> iosched model better. Request merging with q->last_merge and
> rq->queuelist.prev/next work again now.
Yep this looks like what I had in mind as well, I'll apply it.
> Jens, this one also received several hours of testing which involves a
> lot of request merging, but it might still be a better idea to wait
> for the next release. Oh... Are we still in the merging window for
> 2.6.15? If so, this one can go in, I guess.
I guess we can sneak this one in after the window even, if we
characterize it as a regression fix as compared to 2.6.14 :-)
--
Jens Axboe
prev parent reply other threads:[~2005-11-10 17:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-10 14:17 [PATCH] noop-iosched: reimplementation Tejun Heo
2005-11-10 17:18 ` Jens Axboe [this message]
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