From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Anton Blanchard <anton@samba.org>
Subject: Re: [2.6 patch] remove the obsolete raw driver]
Date: Fri, 20 May 2005 18:07:59 -0700
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Cc: Adrian Bunk <bunk@stusta.de>, linux-kernel@vger.kernel.org
References: <20050521001925.GQ5112@stusta.de> <20050521004333.GA20174@krispykreme>
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On Friday, May 20, 2005 5:43 pm, Anton Blanchard wrote:
> > Since kernel 2.6.3 the Kconfig text explicitely stated this driver
> > was obsolete.
> >
> > It seems to be time to remove it.
>
> Disagree. We need someone to benchmark and prove O_DIRECT on the raw
> device isnt a performance regression first.

I don't have data on hand, but I recall seeing O_DIRECT on block devices 
(at least SCSI ones), attaining something very close to line rate, and 
scaling quite well as I/O was added.

Jesse
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