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Date: Sun, 27 Feb 2005 02:41:19 -0500
From: Jeff Garzik <jgarzik@pobox.com>
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To: Tejun Heo <htejun@gmail.com>
CC: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
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Subject: Re: [PATCH 2.6.11-rc3 10/11] ide: make ide_cmd_ioctl() use TASKFILE
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For what it's worth...

Some vendor-specific commands on PATA devices require -exact- 
specification of registers in, and registers out.  You never want to 
read more registers than are flagged.  Ditto for write.

	Jeff