@@ -2256,6 +2256,13 @@ static int fetch_buf(struct vhost_virtqueue *vq)
return 1;
}
+/* Reverse the effect of vhost_get_vq_desc. Useful for error handling. */
+void vhost_discard_vq_desc(struct vhost_virtqueue *vq, int n)
+{
+ vq->last_avail_idx -= n;
+}
+EXPORT_SYMBOL_GPL(vhost_discard_vq_desc);
+
/* This function returns a value > 0 if a descriptor was found, or 0 if none were found.
* A negative code is returned on error. */
static int fetch_descs(struct vhost_virtqueue *vq)
@@ -2370,26 +2377,6 @@ int vhost_get_vq_desc(struct vhost_virtqueue *vq,
}
EXPORT_SYMBOL_GPL(vhost_get_vq_desc);
-/* Reverse the effect of vhost_get_vq_desc. Useful for error handling. */
-void vhost_discard_vq_desc(struct vhost_virtqueue *vq, int n)
-{
- vq->last_avail_idx -= n;
-}
-EXPORT_SYMBOL_GPL(vhost_discard_vq_desc);
-
-/* After we've used one of their buffers, we tell them about it. We'll then
- * want to notify the guest, using eventfd. */
-int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
-{
- struct vring_used_elem heads = {
- cpu_to_vhost32(vq, head),
- cpu_to_vhost32(vq, len)
- };
-
- return vhost_add_used_n(vq, &heads, 1);
-}
-EXPORT_SYMBOL_GPL(vhost_add_used);
-
static int __vhost_add_used_n(struct vhost_virtqueue *vq,
struct vring_used_elem *heads,
unsigned count)
@@ -2459,6 +2446,19 @@ int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,
}
EXPORT_SYMBOL_GPL(vhost_add_used_n);
+/* After we've used one of their buffers, we tell them about it. We'll then
+ * want to notify the guest, using eventfd. */
+int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
+{
+ struct vring_used_elem heads = {
+ cpu_to_vhost32(vq, head),
+ cpu_to_vhost32(vq, len)
+ };
+
+ return vhost_add_used_n(vq, &heads, 1);
+}
+EXPORT_SYMBOL_GPL(vhost_add_used);
+
static bool vhost_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq)
{
__u16 old, new;
Reorder functions in the file to not rely on forward declarations, in preparation to making them static down the road. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- drivers/vhost/vhost.c | 40 ++++++++++++++++++++-------------------- 1 file changed, 20 insertions(+), 20 deletions(-)