[PATCH 1/3] Export vring functions for modules to use

[Anthony Liguori <aliguori@us.ibm.com>]

This is needed for the virtio PCI device to be compiled as a module.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 0e1bf05..3f28b47 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -260,6 +260,8 @@ irqreturn_t vring_interrupt(int irq, void *_vq)
 	return IRQ_HANDLED;
 }
 
+EXPORT_SYMBOL_GPL(vring_interrupt);
+
 static struct virtqueue_ops vring_vq_ops = {
 	.add_buf = vring_add_buf,
 	.get_buf = vring_get_buf,
@@ -306,8 +308,12 @@ struct virtqueue *vring_new_virtqueue(unsigned int num,
 	return &vq->vq;
 }
 
+EXPORT_SYMBOL_GPL(vring_new_virtqueue);
+
 void vring_del_virtqueue(struct virtqueue *vq)
 {
 	kfree(to_vvq(vq));
 }
 
+EXPORT_SYMBOL_GPL(vring_del_virtqueue);
+