Re: [Qemu-devel] [PULL for-2.4 3/7] block/nfs: add support for setting debug level

[Max Reitz]

On 07.07.2015 15:40, Kevin Wolf wrote:
> Am 07.07.2015 um 15:13 hat Stefan Hajnoczi geschrieben:
> > On Tue, Jul 7, 2015 at 1:50 PM, Peter Lieven <address@hidden> wrote:
> > > Am 07.07.2015 um 14:08 schrieb Stefan Hajnoczi:
> > > > From: Peter Lieven <address@hidden>
> > > >
> > > > upcoming libnfs versions will support logging debug messages. Add
> > > > support for it in qemu through a per-drive option.
> > > >
> > > > Examples:
> > > >    qemu -drive if=virtio,file=nfs://...,file.debug=2
> > > >    qemu-img create -o debug=2 nfs://... 10G
> > > >
> > > > Signed-off-by: Peter Lieven <address@hidden>
> > > > Reviewed-by: Fam Zheng <address@hidden>
> > > > Message-id: address@hidden
> > > > Signed-off-by: Stefan Hajnoczi <address@hidden>
> > >
> > >
> > > Thanks for pulling this.
> > >
> > > Question: Is it possible to insert a CDROM other than with the 'change'
> > > command?
> > > The change command obviously does not support file.debug parameters...
> >
> > Not that I'm aware of.
> >
> > You may be able to hotplug SCSI CD-ROM drives, but that's not the same
> > as ejecting/inserting CD-ROM media.
> >
> > Sounds like an item for the block layer todo list:
> > http://qemu-project.org/Features/Block/Todo
>
> I think Max' media handling series might implement this or at least go a
> step in that direction. CCing Max.

Since with that series, you can insert any BDS as a medium, yes, it 
naturally does.

But for now, wouldn't JSON file names work?

Max