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Message-ID: <e9e943910901041151x4f251224w63df1e6237ec48cb@mail.gmail.com>
Date: Sun, 4 Jan 2009 19:51:27 +0000
From: "Duane Griffin" <duaneg@...da.com>
To: "Theodore Tso" <tytso@....edu>,
"Geert Uytterhoeven" <geert@...ux-m68k.org>,
"Duane Griffin" <duaneg@...da.com>, Valdis.Kletnieks@...edu,
"Martin MOKREJŠ"
<mmokrejs@...osome.natur.cuni.cz>, "Pavel Machek" <pavel@...e.cz>,
"kernel list" <linux-kernel@...r.kernel.org>,
"Andrew Morton" <akpm@...l.org>, mtk.manpages@...il.com,
rdunlap@...otime.net, linux-doc@...r.kernel.org
Subject: Re: document ext3 requirements
2009/1/4 Theodore Tso <tytso@....edu>:
> On Sun, Jan 04, 2009 at 08:21:06PM +0100, Geert Uytterhoeven wrote:
>> As for mounting the root file system read-only during early boot up, and
>> remounting it read-write later, I guess it's quite complicated to replay the
>> journal (in RAM) on read-only mount, and deferring the replay writeback until
>> remounting read-write?
>
> It's not *that* hard; if someone would like to cons up a patch, please
> feel free.... but it's certainly not a high priority for me or most
> of the other ext3 filesystem developers.
If anyone is interested I'd be happy to dust off and send them my old
patches to implement this. There are a couple of issues with it.
First, I never got around to implementing remount R/W support. Second,
I had to introduce a rather nasty hack in order to handle un-escaping
JFS magic numbers.
> - Ted
Cheers,
Duane.
--
"I never could learn to drink that blood and call it wine" - Bob Dylan
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