linux-kernel - Re: [2.6.22 PATCH 22/26] dm: bio list helpers

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Message-ID: <20070509155411.GD18152@agk.fab.redhat.com>
Date:	Wed, 9 May 2007 16:54:11 +0100
From:	Alasdair G Kergon <agk@...hat.com>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, dm-devel@...hat.com,
	linux-kernel@...r.kernel.org, Heinz Mauelshagen <hjm@...hat.com>
Subject: Re: [2.6.22 PATCH 22/26] dm: bio list helpers

On Wed, May 09, 2007 at 08:49:23AM +0200, Jens Axboe wrote:
> Besides, manual prefetching is very rarely a win. I dabbled with some
> benchmarks a few weeks back (with the doubly linked lists), and in most
> cases it was actually a loss. So I'd vote for just removing the
> prefetch() above.

OK.
 
Alasdair
-- 
agk@...hat.com
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