[libvirt] [PATCH 1/2] qemu: attempt to delete disk when SCSI attach failed

Guido Günther agx at sigxcpu.org
Fri Jul 22 12:41:34 UTC 2016


On Fri, Jul 22, 2016 at 01:42:44PM +0200, Peter Krempa wrote:
> On Fri, Jul 22, 2016 at 12:08:45 +0200, Guido Günther wrote:
> > We have a qemuMonitorDriveDel now so use it
> > ---
> >  src/qemu/qemu_hotplug.c | 9 +++++----
> >  1 file changed, 5 insertions(+), 4 deletions(-)
> > 
> > diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
> > index e8a30d5..6232a0e 100644
> > --- a/src/qemu/qemu_hotplug.c
> > +++ b/src/qemu/qemu_hotplug.c
> > @@ -678,11 +678,12 @@ qemuDomainAttachSCSIDisk(virConnectPtr conn,
> >      return ret;
> >  
> >   exit_monitor:
> > -    /* XXX should call 'drive_del' on error but this does not exist yet */
> > -    if (driveAdded)
> > -        VIR_WARN("qemuMonitorAddDevice failed on %s (%s)", drivestr, devstr);
> > -
> >      orig_err = virSaveLastError();
> > +    if (driveAdded && qemuMonitorDriveDel(priv->mon, drivestr) < 0) {
> 
> This won't work. You need to delete the drive by alias.
> 
> See commit 64c6695f1ad72f0a99faace5deb1caf7effa2275
> 

Thanks! John's patch from the "Various hotplug cleanup" series handles
this with alias already so I'll not update this one.
Cheers,
 -- Guido




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