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From: Oliver Neukum <oliver@neukum.org>
To: root@chaos.analogic.com
Subject: Re: very low performance on SCSI disks if device node is in tmpfs
Date: Tue, 25 May 2004 22:02:54 +0200
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Cc: Olaf Hering <olh@suse.de>, linux-kernel@vger.kernel.org
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Am Dienstag, 25. Mai 2004 21:44 schrieb Richard B. Johnson:
> On Tue, 25 May 2004, Olaf Hering wrote:
> 
> >  On Tue, May 25, Richard B. Johnson wrote unrelated stuff:
> >
> 
> It is not unrelated stuff. If you think it is, you will
> come to an incorrect conclusion with your experiments.
> As I stated, you are not actually communicating with a
> device-file except for the initial open().

Exactly therefore the results are so extremely odd.
Either looking up a device node is very expensive, or we have an
unknown phenomenon.

	Regards
		Oliver