From: Alasdair G Kergon <agk@redhat.com>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
dm-devel@redhat.com, linux-kernel@vger.kernel.org,
Heinz Mauelshagen <hjm@redhat.com>
Subject: Re: [2.6.22 PATCH 22/26] dm: bio list helpers
Date: Wed, 9 May 2007 16:54:11 +0100 [thread overview]
Message-ID: <20070509155411.GD18152@agk.fab.redhat.com> (raw)
In-Reply-To: <20070509064923.GO4163@kernel.dk>
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@redhat.com
next prev parent reply other threads:[~2007-05-09 15:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-08 19:48 [2.6.22 PATCH 22/26] dm: bio list helpers Alasdair G Kergon
2007-05-09 0:41 ` Andrew Morton
2007-05-09 6:49 ` Jens Axboe
2007-05-09 15:54 ` Alasdair G Kergon [this message]
2007-05-10 14:17 ` Jan Engelhardt
2007-05-10 14:29 ` Alan Cox
2007-05-10 21:40 ` Jens Axboe
2007-05-09 15:47 ` Alasdair G Kergon
2007-05-10 13:41 ` Andi Kleen
2007-05-10 14:17 ` Jan Engelhardt
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