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Re: [Qemu-devel] [PATCH] virtio-blk: fail unaligned requests

From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH] virtio-blk: fail unaligned requests
Date: Thu, 7 Apr 2011 09:46:09 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

On Wed, Apr 06, 2011 at 08:28:34PM +0200, Christoph Hellwig wrote:
> Like all block drivers virtio-blk should not allow small than block size
> granularity access.  But given that the protocol specifies a 
> byte unit length field we currently accept such requests, which cause
> qemu to abort() in lower layers.  Add checks to the main read and
> write handlers to catch them early.
> Reported-by: Conor Murphy <address@hidden>
> Tested-by: Conor Murphy <address@hidden>
> Signed-off-by: Christoph Hellwig <address@hidden>

Reviewed-by: Stefan Hajnoczi <address@hidden>

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