linux-kernel - Re: [git patches] libata hibernation fixes

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Message-ID: <4911038B.9020003@kernel.org>
Date:	Wed, 05 Nov 2008 11:23:07 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Pavel Machek <pavel@...e.cz>, Jeff Garzik <jeff@...zik.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [git patches] libata hibernation fixes

Linus Torvalds wrote:
> 
> On Tue, 4 Nov 2008, Pavel Machek wrote:
>> (Is park command normally supported on modern disks? IIRC hdaps people
>> had issues with not all disks supporting it?)
> 
> The modern version of parking is called "idle immediate". It may be that 
> only laptop drives support the "unload" part. But it's definitely not an 
> ancient and deprecated thing (although calling it "parking" is apparently 
> old-fashioned :)

I'm afraid trying to use that new extension during shutdown would cause
far more trouble which would require extensive black/white list at the
end.  For hdaps, it's okay as the laptops w/ those sensors are supposed
to have matching hard drive but using it on generic machines doesn't
sound like a sane idea.

Thanks.

-- 
tejun
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