Subject: Re: WD_QUIRK_FORCE_LBA48
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Jason Thorpe <thorpej@shagadelic.org>
List: tech-kern
Date: 09/28/2004 12:42:26
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On Sep 28, 2004, at 12:38 PM, Manuel Bouyer wrote:

> The check against 0xffffff was added specifically so that with drives
> supporting LBA48, we could still access the first 128GB if the 
> controller
> didn't support LBA48 (like some promise controllers).

Oh, I didn't realize that the controller has to also support LBA48 
operation (silly me for thinking that they just passed all those 
register accesses through directly to the drive...).  "Ok, nevermind!" 
:-)

         -- Jason R. Thorpe <thorpej@shagadelic.org>


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