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From: Nigel Cunningham <ncunningham@cyclades.com>
To: Hiroyuki Machida <machida@sm.sony.co.jp>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Preserve hibenate-system-image on startup
Date: Thu, 21 Jul 2005 01:25:23 +1000	[thread overview]
Message-ID: <1121873123.6689.4.camel@localhost> (raw)
In-Reply-To: <42DE2D51.5090105@sm.sony.co.jp>

Hi.

On Wed, 2005-07-20 at 20:54, Hiroyuki Machida wrote:
> Hi,
> 
> 
> With this function, system needs to mount read-write file systems on
> every boot cycle, due to avoid inconsistency between FS and memory.
> How did you address this problem? Did kernel check RW FS remained as
> mounted on boot up or hibernate time ?

You're right. We don't seek to address this problem, just document
clearly that filesystems in use when creating the image need to be
mounted readonly. You can of course mount another filesystem read/write
while the system is up.

> I think I need to discuss with you at San Jose at the beginning of 
> this year.

Yes, I think we did meet. Nice to talk to you again.

Regards,

Nigel

> 
> Regards,
> Hiroyuki Machida
> 
> Nigel Cunningham wrote:
> > Hi.
> > 
> > We've had this feature in Suspend2 for a couple of years and I can
> > confirm that the approach works, provided that the on-disk filesystem
> > remains unchanged throughout this. (Useful mainly for kiosks etc).
> > 
> > This is not to say that I've reviewed the code below for correctness.
> > 
> > Regards,
> 
> -
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-- 
Evolution.
Enumerate the requirements.
Consider the interdependencies.
Calculate the probabilities.


  reply	other threads:[~2005-07-21  2:13 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-17  6:26 [PATCH] Preserve hibenate-system-image on startup Hiroyuki Machida
2005-07-17 16:58 ` Nigel Cunningham
2005-07-20 10:54   ` Hiroyuki Machida
2005-07-20 15:25     ` Nigel Cunningham [this message]
2005-07-18 11:41 ` Pavel Machek

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