linux-kernel - Re: document ext3 requirements

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Message-ID: <495FD5D7.2040907@ribosome.natur.cuni.cz>
Date:	Sat, 03 Jan 2009 22:17:11 +0100
From:	Martin MOKREJŠ <mmokrejs@...osome.natur.cuni.cz>
To:	Pavel Machek <pavel@...e.cz>
CC:	kernel list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, tytso@....edu,
	mtk.manpages@...il.com, rdunlap@...otime.net,
	linux-doc@...r.kernel.org
Subject: Re: document ext3 requirements

Can one avoid replay of the journal then if it would be unclean?
Just curious.
M.

Pavel Machek wrote:
> Using ext3 is only safe if storage subsystem meets certain
> criteria. Document those.
> 
> Errors=remount-ro is documented as default, but superblock setting
> overrides that and mkfs defaults to errors=continue... so the default
> is errors=continue in practice.
> 
> readonly mount does actually write to the media in some cases. Document that.
> 
> Signed-off-by: Pavel Machek <pavel@...e.cz>
> 
> diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt
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