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

[Hu Tao]

On Fri, Mar 11, 2011 at 09:56:42AM -0700, Eric Blake wrote:
> 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?

What about get it in first based on the fact that human-monitor-command
is supported? (with removing the two _() in VIR_DEBUG0)

-- 
Thanks,
Hu Tao