linux-kernel - Re: [PATCH 1/3] Make the IDE DMA timeout modifiable

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Message-Id: <200702210342.20775.bzolnier@gmail.com>
Date:	Wed, 21 Feb 2007 03:42:20 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Suleiman Souhlal <ssouhlal@...ebsd.org>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] Make the IDE DMA timeout modifiable


Hi,

On Wednesday 21 February 2007 03:13, Suleiman Souhlal wrote:
> 
> On Feb 20, 2007, at 5:44 PM, Bartlomiej Zolnierkiewicz wrote:
> 
> >
> > On Wednesday 21 February 2007 02:19, Suleiman Souhlal wrote:
> >> It can be changed via /proc/ide/hd?/settings.
> >
> > Why do we need to change IDE DMA timeout dynamically?
> 
> I've used it to test error recovery (for example).

Seems quite useable for developers but I would prefer not to
expose it in production kernels for end users.

> > BTW /proc/ide/hd?/settings is obsoleted
> 
> What's the preferred way of changing such settings, these days?

sysfs

ide.c:ide_dev_attrs[] for generic attributes valid for all devices

Thanks,
Bart
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