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Date: Tue, 2 Feb 2010 23:27:48 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Miller <davem@davemloft.net>
Cc: jeff@garzik.org, bzolnier@gmail.com, linux-ide@vger.kernel.org,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/68] ide2libata
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> If the drivers get truly shared between IDE and ATA, that
> presumption is entirely removed, the ATA testers will
> be hitting the same driver code that whatever remaining
> IDE users will be.

Assuming the data structures matching does that is a bit like assuming
you can test one TCP stack using another one because they use the same
packet format.