Re: [Qemu-devel] [RFC V2 01/20] qcow2: Add deduplication to the qcow2 specification.

[Eric Blake]

On 10/17/2012 10:00 AM, Benoît Canet wrote:
> ---
>  docs/specs/qcow2.txt |   16 +++++++++++++++-
>  1 file changed, 15 insertions(+), 1 deletion(-)
> 
> diff --git a/docs/specs/qcow2.txt b/docs/specs/qcow2.txt
> index 36a559d..013a16b 100644
> --- a/docs/specs/qcow2.txt
> +++ b/docs/specs/qcow2.txt

>  
> +== Deduplication ==
> +
> +The deduplication extension contains the offset and size of the deduplication
> +table.
> +
> +    Byte   0 - 7:   Offset
> +
> +          8 - 11:   Size

That's still too sparse for a formal documentation - what is the format
of the deduplication table, and what do the bits in that table imply
with regards to how the rest of the qcow2 file is used?

-- 
Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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