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Date: Sun, 15 Mar 2009 05:52:50 +0100
From: Christoph Hellwig <hch@lst.de>
Subject: Re: [Qemu-devel] [PACH] qemu-io - an I/O path exerciser
Message-ID: <20090315045250.GA16897@lst.de>
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To: qemu-devel@nongnu.org

On Sun, Mar 15, 2009 at 12:16:26AM +0100, Laurent Vivier wrote:
> Le samedi 14 mars 2009 ?? 20:33 +0100, Christoph Hellwig a ??crit :
> > This patch adds a new qemu-io tool that links against the block layer and
> > image formats and allow to exercise them without needing a guest image.
> 
> I think this kind of thing can be done using "qemu-nbd" and any I/O
> tool.

No it can't.  qemu-nbd is using just one single I/O method while
we have three each for read and write.  Nevermind all the other
bdrv_ methods which can't easily be exposed over nbd.