linux-kernel - Re: A kexec approach to hibernation

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Message-ID: <20070604131000.GD1971@elf.ucw.cz>
Date:	Mon, 4 Jun 2007 15:10:00 +0200
From:	Pavel Machek <pavel@....cz>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Jeremy Maitin-Shepard <jbms@....edu>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...l.org>,
	Nigel Cunningham <nigel@...el.suspend2.net>
Subject: Re: A kexec approach to hibernation

On Mon 2007-06-04 13:20:54, Matthew Garrett wrote:
> On Mon, Jun 04, 2007 at 12:46:21PM +0200, Pavel Machek wrote:
> 
> > sync is perfectly safe way of telling the fs to store data on disk.
> 
> On disk, yes. On the filesystem, no. It's valid for the data to be left 
> in the journal, for instance.

Yep... then grub needs to grok the journal. It does for ext3, IIRC.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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