From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Jeremy Maitin-Shepard <jbms@cmu.edu>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@osdl.org>,
Nigel Cunningham <nigel@nigel.suspend2.net>
Subject: Re: A kexec approach to hibernation
Date: Mon, 4 Jun 2007 14:16:24 +0100 [thread overview]
Message-ID: <20070604131624.GA27565@srcf.ucam.org> (raw)
In-Reply-To: <20070604131000.GD1971@elf.ucw.cz>
On Mon, Jun 04, 2007 at 03:10:00PM +0200, Pavel Machek wrote:
> 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.
No, it only supports ext2 (and reading ext3 as if it's ext2). Right now,
the assumption that syncing during suspend will cause data to hit
something grub can read isn't a safe one.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2007-06-04 13:16 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-01 20:39 A kexec approach to hibernation Jeremy Maitin-Shepard
2007-06-01 21:39 ` Rafael J. Wysocki
2007-06-01 22:25 ` Jeremy Maitin-Shepard
2007-06-01 23:14 ` Rafael J. Wysocki
2007-06-01 23:54 ` Jeremy Maitin-Shepard
2007-06-02 0:33 ` Rafael J. Wysocki
2007-06-02 1:54 ` Jeremy Maitin-Shepard
2007-06-02 9:22 ` Rafael J. Wysocki
2007-06-04 10:46 ` Pavel Machek
2007-06-04 12:20 ` Matthew Garrett
2007-06-04 13:10 ` Pavel Machek
2007-06-04 13:16 ` Matthew Garrett [this message]
2007-06-11 2:02 ` H. Peter Anvin
2007-06-11 22:44 ` Nigel Cunningham
2007-06-04 22:09 ` Jeremy Maitin-Shepard
2007-06-04 22:36 ` Nigel Cunningham
2007-06-05 8:15 ` Xavier Bestel
2007-06-05 9:34 ` Stefan Seyfried
2007-06-05 9:40 ` Xavier Bestel
2007-06-04 22:51 ` Pavel Machek
2007-06-11 15:07 ` Jeremy Maitin-Shepard
2007-06-11 3:40 ` Nigel Cunningham
2007-06-11 15:01 ` Jeremy Maitin-Shepard
2007-06-11 15:45 ` Xavier Bestel
2007-06-11 15:51 ` Jeremy Maitin-Shepard
2007-06-11 16:03 ` Xavier Bestel
2007-06-11 17:05 ` Jeremy Maitin-Shepard
2007-06-04 4:40 ` Vivek Goyal
2007-06-04 5:22 ` Nigel Cunningham
2007-06-04 8:05 ` Rafael J. Wysocki
2007-06-04 8:14 ` Nigel Cunningham
2007-06-04 21:44 ` Jeremy Maitin-Shepard
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