From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan <alan@lxorguk.ukuu.org.uk>
Subject: Re: Disabling SATA hardware interrupts
Date: Mon, 4 Dec 2006 14:47:07 +0000
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To: Thinus Viljoen <thinus.viljoen@gmail.com>
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On Mon, 4 Dec 2006 15:34:09 +0200
"Thinus Viljoen" <thinus.viljoen@gmail.com> wrote:

> How do I go about setting/clearing this nIEN bit from my own module?
> Open a handle to /dev/sda and calling some or other IOCTL, perhaps? (
> I haven't accessed the HDD on this low level before, so I would
> appreciate some details, or perhaps a small example).

The ATA layer manages nIEN per command itself so you'll need to do a
rework of parts of the ATA layer. Alternatively you could just make sure
you've flushed all outstanding I/O before doing any realtime work.