Looks like posix lock is already logged. But does not seem to be close to being implemented

On Thu, 6 Apr 2023, 16:04 Peter Krempa, <pkrempa@redhat.com> wrote:
On Tue, Apr 04, 2023 at 17:31:37 +0100, Simon Fairweather wrote:
> Thanks these are missing in rust.
>
> <lock posix='on' flock='on'/>

You'll have to raise this with the virtiofsd project:

  https://gitlab.com/virtio-fs/virtiofsd/-/issues

>
> On Tue, Apr 4, 2023 at 5:25 PM Peter Krempa <pkrempa@redhat.com> wrote:
>
> > On Tue, Apr 04, 2023 at 17:12:15 +0100, Simon Fairweather wrote:
> > > Hi
> > >
> > > In QEMU 8 virtiofsd has been removed in favor of the rust version. Which
> > > includes options that are not longer supported,
> > >
> > >
> > > Do you have a view on what should be used going forwards to support
> > > virtiofsd in libvirt with qemu 8?
> > >
> > > The options are showing as depreciated,
> > >     -o <compat-options>...
> > >             Options in a format compatible with the legacy implementation
> > > [deprecated]
> > >
> > > Rust version options
> >
> > The rust version of virtiofsd is supposed to be compatible with
> > everything that libvirt used with the C version via the deprecated
> > compat options above.
> >
> > Going forward we'd like to switch to the native syntax:
> >
> > https://gitlab.com/libvirt/libvirt/-/issues/431
> >
> >