linux-kernel - Re: [PATCH] ata: Add support for Long Logical Sectors and Long Physical Sectors

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Message-ID: <20080818194910.6c269626@lxorguk.ukuu.org.uk>
Date:	Mon, 18 Aug 2008 19:49:10 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Jeff Garzik <jgarzik@...ox.com>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, Matt_Domsch@...l.com,
	Matthew Wilcox <willy@...ux.intel.com>
Subject: Re: [PATCH] ata: Add support for Long Logical Sectors and Long
 Physical Sectors

> Why do we need to do that?  Leaving sector_size_supported() unset means
> exactly "no to anything but 512".  I'll be quite surprised if we see
> PATA drives supporting 4096 or 520 byte sectors anyway.  It seems like
> a premium feature.

Good point on the former - yes it defaults sane now so that doesn't need
doing. For the sector size remember a lot of PATA chips appear with SATA
bridges at times - especially promise and highpoint.
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