linux-kernel - Re: [PATCH 2.6.19 5/5] fs: freeze

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Message-ID: <20061113073533.GA18022@suse.de>
Date:	Mon, 13 Nov 2006 08:35:33 +0100
From:	Stefan Seyfried <seife@...e.de>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Alasdair G Kergon <agk@...hat.com>,
	Eric Sandeen <sandeen@...hat.com>,
	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	dm-devel@...hat.com, Srinivasa DS <srinivasa@...ibm.com>,
	Nigel Cunningham <nigel@...pend2.net>,
	David Chinner <dgc@....com>, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH 2.6.19 5/5] fs: freeze_bdev with semaphore not mutex

On Sun, Nov 12, 2006 at 06:43:10PM +0000, Pavel Machek wrote:
> Hi!
 
> > (b) it prevents journaling filesystems in general from replaying journals
> > after a failing resume.
> 
> I do not see b) as an useful goal.

I'm not sure, but i guess it also solves "GRUB takes a minute to load kernel
and initrd from /boot on suspended reiserfs"-problem, which i see as a _very_
useful goal.

Often, most of the time needed for resume is spent by GRUB loading the
kernel/initrd from a journaled FS.
-- 
Stefan Seyfried
QA / R&D Team Mobile Devices        |              "Any ideas, John?"
SUSE LINUX Products GmbH, Nürnberg  | "Well, surrounding them's out." 
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