Re: [Qemu-devel] [Spice-devel] [PATCH] [RFC] LZ4 compression option for SPICE

[Eric Blake]

On 01/23/2015 07:06 AM, Javier Celaya wrote:
> Hello, this is the patch with the version check. Christophe, can you check 
> that the version is the correct one?
> 

> 
> Recently, SPICE included the lz4 compression algorithm. This patch adds
> a command line option to select it.
> ---
>  ui/spice-core.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/ui/spice-core.c b/ui/spice-core.c
> index 6467fa4..dadcae9 100644
> --- a/ui/spice-core.c
> +++ b/ui/spice-core.c
> @@ -359,6 +359,9 @@ static const char *compression_names[] = {
>      [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
>      [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
>      [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
> +#if SPICE_SERVER_VERSION >= 0x000c07
> +    [ SPICE_IMAGE_COMPRESS_LZ4 ]      = "lz4",

How is libvirt going to introspect whether the command line supports
this option?  Is there some QMP command that lists the set of valid
compression formats understood by a given qemu binary?

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

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