linux-kernel - Re: [Patch] document ext3 requirements (was Re: [RFD] Incremental fsck)

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Message-ID: <20080116163834.GA22382@infradead.org>
Date:	Wed, 16 Jan 2008 16:38:35 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	David Chinner <dgc@....com>
Cc:	Pavel Machek <pavel@....cz>, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Theodore Tso <tytso@....edu>, Al Boldi <a1426z@...ab.com>,
	Valerie Henson <val.henson@...il.com>,
	Rik van Riel <riel@...hat.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Patch] document ext3 requirements (was Re: [RFD] Incremental
	fsck)

On Wed, Jan 16, 2008 at 08:43:25AM +1100, David Chinner wrote:
> ext3 is not the only filesystem that will have trouble due to
> volatile write caches. We see problems often enough with XFS
> due to volatile write caches that it's in our FAQ:

In fact it will hit every filesystem.  A write-back cache that can't
be forced to write back bythe filesystem will cause corruption on
uncontained power loss, period.

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