Re: Can not use hmp block_resize command with -blockdev option

[John Snow]

On 3/16/21 11:43 PM, zhao xiaojun wrote:
> Hi,
> I use -blockdev option to specify a drive when qemu boot and i want to 
> resize it with hmp block_resize command. The hmp block_resize comand's 
> arguments: block_resize device new_size.
> So I query the device by qmp query_block command, but the device filed 
> of the result output is NULL string.
>
> result output:
> {
>    "return": [
>      {
>        "io-status": "ok",
>        "device": "",
>          ...
> }
>
> I noticed that the qmp block_resize command supports device or node-name 
> as argument.
>
> If i can continue use the the hmp block_resize command with the device 
> argument?
>
> Regards.

I'm not sure what you're asking: hmp's block_resize doesn't accept 
node-name arguments as you've found. Are you not able to use QMP's 
block_resize?

--js