linux-kernel - Re: is there any Hard-disk shock-protection for 2.6.18 and above?

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Message-ID: <20061124072109.GY4999@kernel.dk>
Date:	Fri, 24 Nov 2006 08:21:10 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Pavel Machek <pavel@....cz>
Cc:	Christoph Schmid <chris@...lagmichtod.de>,
	linux-kernel@...r.kernel.org
Subject: Re: is there any Hard-disk shock-protection for 2.6.18 and above?

On Tue, Nov 21 2006, Pavel Machek wrote:
> Hi!
> 
> > Well, the actual question is the following,
> > I read about HDAPS on thinkWiki. But there is no known-to-work patch for
> > 2.6.18 and above to enable queue-freezing/harddisk parking.
> > After some googeling and digging in gamne i read that someone said that
> > there are plans for some generic support for HD-parking in the kernel
> > and thus making such patches obsolete.
> > My quesiotn just is if this is true and if there are any chances that
> > the kernel will support that soonly.
> ...
> > So i hope this issue can be adressed soon. but i also know that most of
> > you are very busy and i can not evaluate how difficult such a change
> > would be. However if anyone wants to test some things or more
> > information, i am ready. Just CC me :)
> 
> I'm afraid we need your help with development here. Porting old patch
> to 2.6.19-rc6 should be easy, and then you can start 'how do I
> makethis generic' debate.

2.6.19 will finally have the generic block layer commands, so this can
be implemented properly.

-- 
Jens Axboe

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