virtio-ring: move queue_index to vring_virtqueue

Instead of storing the queue index in transport-specific virtio structs,
this patch moves them to vring_virtqueue and introduces an helper to get
the value.  This lets drivers simplify their management and tracing of
virtqueues.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index 9e8388efd88e..ccb7dfb028fa 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -296,7 +296,7 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
          * to 'true': the host just a(nother) SMP CPU, so we only need inter-cpu
          * barriers.
          */
-        vq = vring_new_virtqueue(lvq->config.num, LGUEST_VRING_ALIGN, vdev,
+        vq = vring_new_virtqueue(index, lvq->config.num, LGUEST_VRING_ALIGN, vdev,
                                  true, lvq->pages, lg_notify, callback, name);
         if (!vq) {
                 err = -ENOMEM;