Re: [virtio-dev] [PATCH v3 1/2] content: add virtio file system device

[Stefan Hajnoczi <stefanha@redhat.com>]

On Fri, Feb 22, 2019 at 02:31:02PM +0000, Dr. David Alan Gilbert wrote:
> * Stefan Hajnoczi (stefanha@redhat.com) wrote:
> 
> > +It is possible to maintain the FUSE session across live migration either by
> > +transferring the state or by redirecting requests from the new host to the old
> > +host where the state resides.  The details of how to achieve this are
> > +implementation-dependent and are not visible at the device interface level.
> 
> I wonder how 'transferring the state' will work;  it is tricky to
> specify because that state could be filesystem dependent so wouldn't
> really fit at this level of spec.

Yes, the state is file system daemon-specific and beyond the scope of
the VIRTIO device spec.

Stefan

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