linux-kernel - Re: [PATCH 1/3] ide: add "ignore

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Message-ID: <20090527104913.644e6970@lxorguk.ukuu.org.uk>
Date:	Wed, 27 May 2009 10:49:13 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Andries E. Brouwer" <Andries.Brouwer@....nl>
Cc:	Frans Pop <elendil@...net.nl>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ide: add "ignore_hpa" module parameter

> Probably I am missing some context, but the above seems to be
> a false statement. The PC partition format does give you
> start and size, and no filesystem knowledge is needed to
> find out where a partition ends.

I am indeed in error. The PC DOS format is indeed fine. I was
remembering from the magneto-opticals and the problem there was you
couldn't tell the size because there were two conflicting standards for
partition encoding.

So that means a distro can detect some of the cases which is even better
and makes a sysfs interface even more useful.

Alan
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