Re: [Qemu-devel] [multiprocess RFC PATCH 35/37] multi-process: QMP/HMP commands to resize block device on remote process

[Eric Blake]

On 3/7/19 1:22 AM, address@hidden wrote:
> From: Jagannathan Raman <address@hidden>
> 
> Adds rblock_resize QMP/HMP commands to resize block devices on the remote
> process.
> 
> Signed-off-by: John G Johnson <address@hidden>
> Signed-off-by: Jagannathan Raman <address@hidden>
> Signed-off-by: Elena Ufimtseva <address@hidden>
> ---

I know the discussion is questioning whether this is even the right way
to go, but if we DO add a QMP command,

> +++ b/qapi/block-core.json
> @@ -1260,6 +1260,31 @@
>              'size': 'int' } }
>  
>  ##
> +# @rblock_resize:

It should be named 'rblock-resize'

> +#
> +# Resize a block image while a guest is running, on a remote device.
> +#
> +# @device: the name of the device to get the image resized
> +#
> +# @size:  new image size in bytes
> +#
> +# Returns: nothing on success
> +#          If @device is not a valid block device, DeviceNotFound
> +#
> +# Since: 3.0.93

and you've missed 3.0 (if you got it in THIS week, it would be Since
4.0; but that's unlikely, so you want Since 4.1).

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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