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Date:	Fri, 17 Feb 2012 15:39:08 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Lukas Czerner <lczerner@...hat.com>
Cc:	Phillip Susi <psusi@...ntu.com>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 2/2] e2image: add -a switch to include all data

On Fri, Feb 17, 2012 at 04:35:20PM +0100, Lukas Czerner wrote:
> as I said I have never tested this. Well, actually I did some very
> limited testing, but since this was not (and still is not right?) the
> scope of e2image

I don't think it's within the scope of e2image to be guaranteed way of
converting a general-purpose qcow2 image file from qemu to a raw image
file.  It would be *nice* if this worked, but I don't think that's the
main thrust of e2image's functionality, no.

I'd consider it more within e2fsprogs's scope if e2fsck, dumpe2fs,
debugfs, etc., could operate directly on a qcow2 file (i.e., if the
qcow2 functionality was implemented as an io_manager).  Combined with
Darrick's fuse2fs, or the e2tools package, it would mean that we could
manipulate qcow2 files directly from the host OS.  I think sysadmins
who are using virtualization would find that to be a useful feature.

I just keep hoping that someone will be able to convince their
management that it's useful enough to put in the development effort.  :-)

	   	     	    	      - Ted
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