1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index f3fa55bdd6ce..a156e2b6ccfe 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -45,6 +45,17 @@ static inline void virtio_wmb(bool weak_barriers)
                 wmb();
 }
 
+static inline void virtio_store_mb(bool weak_barriers,
+                                   __virtio16 *p, __virtio16 v)
+{
+        if (weak_barriers) {
+                virt_store_mb(*p, v);
+        } else {
+                WRITE_ONCE(*p, v);
+                mb();
+        }
+}
+
 struct virtio_device;
 struct virtqueue;