linux-kernel - Re: [PATCH] block: add blk_run_queue

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Message-ID: <20110418195929.GA9650@infradead.org>
Date:	Mon, 18 Apr 2011 15:59:29 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Mike Snitzer <snitzer@...hat.com>
Cc:	Christoph Hellwig <hch@...radead.org>, jaxboe@...ionio.com,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] block: add blk_run_queue_async

On Mon, Apr 18, 2011 at 03:55:04PM -0400, Mike Snitzer wrote:
> > +{
> > + ? ? ? if (likely(!blk_queue_stopped(q)))
> > + ? ? ? ? ? ? ? queue_delayed_work(kblockd_workqueue, &q->delay_work, 0);
> 
> I know Jens already queued this up 'for-linus' but why not use
> kblockd_schedule_work(q, &q->delay_work)?

I don't see what that would buy us.  If we'd absolutely want a wrapper
a blk_delay_queue(q, 0) in Jens' current tree would do it now that is
has been fixed up to use the kblockd workqueue.
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