From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Matthias Andree <matthias.andree@gmx.de>
Subject: Re: [PATCH] barrier patch set
Date: Sat, 20 Mar 2004 17:00:05 +0100
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Cc: Johannes Stezenbach <js@convergence.de>,
       Matthias Andree <matthias.andree@gmx.de>,
       Linux Kernel <linux-kernel@vger.kernel.org>
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On Saturday 20 of March 2004 12:36, Matthias Andree wrote:
> > Correct answer is: everything is fine, RTFM (man hdparm). ;-)
>
> Not everything is fine. hdparm documents -i returns inconsistent data.
> Most, but _NOT_ _EVERYTHING_ is cached: the multcount is updated, for
> instance. What is that good for? Mix & Match whatever is convenient?

I'm aware of this bug - driver shouldn't modify drive->id.  Patches are welcomed.

> Are there systems where -I will not work? If there are none, hdparm 6.0

It should always work.

> should be shipped without the -i option.

Why?  It can be sometimes useful for debugging purposes
and HDIO_GET_IDENTIFY ioctl is not going away in 2.6.x.

Regards,
Bartlomiej

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