[libvirt] [PATCH] qemu: fallback to HMP drive_add/drive_del

[Eric Blake]

On 03/11/2011 08:05 AM, Jiri Denemark wrote:
>> +    if (qemuMonitorJSONHasError(reply, "CommandNotFound")) {
>> +        VIR_DEBUG0(_("drive_del command not found, trying HMP"));
>> +        ret = qemuMonitorTextDriveDel(mon, drivestr);
>> +    } else if (qemuMonitorJSONHasError(reply, "DeviceNotFound")) {
>> +        /* NB: device not found errors mean the drive was
>> +         * auto-deleted and we ignore the error */
>> +        ret = 0;
>> +    } else {
>> +        ret = qemuMonitorJSONCheckError(cmd, reply);
>>      }
> 
> Looks good, although I think we should issue the "deleting disk is not
> supported. This may leak data if disk is reassigned" error also in case
> human-monitor-command is not supported. But that will need some more work on
> the HMP infrastructure since it's not possible to get this from
> qemuMonitorText* function that we call.

Do we want to push this now, or get the infrastructure improvements in
first?

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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