Re: [Qemu-devel] [PATCH] docs: Define refcount_bits value

[Eric Blake]

On 05/23/2014 07:41 AM, Maria Kustova wrote:
> The 'refcount_bits' term used in the description of refcount block entry is
> not defined in the specification. The definition is added in the
> 'refcount_order' section where refcount_bits was used as 'width in bits'.
> 
> Signed-off-by: Maria Kustova <address@hidden>
> ---
>  docs/specs/qcow2.txt | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

> 
> diff --git a/docs/specs/qcow2.txt b/docs/specs/qcow2.txt
> index f19536a..3f713a6 100644
> --- a/docs/specs/qcow2.txt
> +++ b/docs/specs/qcow2.txt
> @@ -107,8 +107,9 @@ in the description of a field.
>  
>           96 -  99:  refcount_order
>                      Describes the width of a reference count block entry 
> (width
> -                    in bits = 1 << refcount_order). For version 2 images, the
> -                    order is always assumed to be 4 (i.e. the width is 16 
> bits).
> +                    in bits: refcount_bits = 1 << refcount_order). For 
> version 2
> +                    images, the order is always assumed to be 4
> +                    (i.e. refcount_bits = 16).
>  
>          100 - 103:  header_length
>                      Length of the header structure in bytes. For version 2
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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