[PATCH net-next V3 4/6] skb_array: add wrappers for resizing

Jason Wang
Thu, 30 Jun 2016 03:52:57 -0000

Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
Signed-off-by: Jason Wang <jasowang at redhat.com>
---
 include/linux/skb_array.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/skb_array.h b/include/linux/skb_array.h
index 2dd0d1e..f4dfade 100644
--- a/include/linux/skb_array.h
+++ b/include/linux/skb_array.h
@@ -161,6 +161,15 @@ static inline int skb_array_resize(struct skb_array *a, int
size, gfp_t gfp)
 	return ptr_ring_resize(&a->ring, size, gfp, __skb_array_destroy_skb);
 }

+static inline int skb_array_resize_multiple(struct skb_array **rings,
+					    int nrings, int size, gfp_t gfp)
+{
+	BUILD_BUG_ON(offsetof(struct skb_array, ring));
+	return ptr_ring_resize_multiple((struct ptr_ring **)rings,
+					nrings, size, gfp,
+					__skb_array_destroy_skb);
+}
+
 static inline void skb_array_cleanup(struct skb_array *a)
 {
 	ptr_ring_cleanup(&a->ring, __skb_array_destroy_skb);
--
2.7.4