[Virtio-fs] [PATCH v2 4/4] vhost-user-fs: Implement internal migration

[Stefan Hajnoczi]

On Wed, Jul 12, 2023 at 01:17:02PM +0200, Hanna Czenczek wrote:
> A virtio-fs device's VM state consists of:
> - the virtio device (vring) state (VMSTATE_VIRTIO_DEVICE)
> - the back-end's (virtiofsd's) internal state
> 
> We get/set the latter via the new vhost operations to transfer migratory
> state.  It is its own dedicated subsection, so that for external
> migration, it can be disabled.
> 
> Signed-off-by: Hanna Czenczek <hreitz at redhat.com>
> ---
>  hw/virtio/vhost-user-fs.c | 101 +++++++++++++++++++++++++++++++++++++-
>  1 file changed, 100 insertions(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha at redhat.com>
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