linux-kernel - Re: Approaches to making io

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Message-ID: <20110831211532.GA7761@one.firstfloor.org>
Date:	Wed, 31 Aug 2011 23:15:32 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Daniel Ehrenberg <dehrenberg@...gle.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: Approaches to making io_submit not block

> This objection would seem to point to the benefits of doing something
> like Suparna's patches, with a wait queue per task, no? This preserves
> the current regime where each thread calling io_submit ends up
> submitting things in parallel.

Yep, Suparna's code didn't have that problem.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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