xfs
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Re: Implementing checksums in XFS

To: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
Subject: Re: Implementing checksums in XFS
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 25 Oct 2010 09:45:07 -0400
Cc: xfs@xxxxxxxxxxx
In-reply-to: <201010222255.40861@xxxxxx>
References: <4CC14C1B.5060409@xxxxxxxxxxxx> <20101022124928.GA16437@xxxxxxxxxxxxx> <201010222255.40861@xxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Fri, Oct 22, 2010 at 10:55:40PM +0200, Michael Monnerie wrote:
> Oh that would be very welcome. A "secure" filesystem sounds really good, 
> especially if it's fast as XFS is :-)
> I'd implement it everywhere immediately as soon as it's available. Will 
> existing XFS's be upgradeable in some way other that backup/restore?

checksumming inodes and btree nodes means larger data structures for
those, so no there's no upgrade path available.

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