virtio_ring: rename vring_desc_extra_packed

Rename vring_desc_extra_packed to vring_desc_extra since the structure
are pretty generic which could be reused by split virtqueue as well.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210604055350.58753-3-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 51d8986..03caa19 100644 (file)
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -77,7 +77,7 @@ struct vring_desc_state_packed {
        u16 last;                       /* The last desc state in a list. */
 };
 
-struct vring_desc_extra_packed {
+struct vring_desc_extra {
        dma_addr_t addr;                /* Buffer DMA addr. */
        u32 len;                        /* Buffer length. */
        u16 flags;                      /* Descriptor flags. */
@@ -169,7 +169,7 @@ struct vring_virtqueue {
 
                        /* Per-descriptor state. */
                        struct vring_desc_state_packed *desc_state;
-                       struct vring_desc_extra_packed *desc_extra;
+                       struct vring_desc_extra *desc_extra;
 
                        /* DMA address and size information */
                        dma_addr_t ring_dma_addr;
@@ -918,7 +918,7 @@ static struct virtqueue *vring_create_virtqueue_split(
  */
 
 static void vring_unmap_state_packed(const struct vring_virtqueue *vq,
-                                    struct vring_desc_extra_packed *state)
+                                    struct vring_desc_extra *state)
 {
        u16 flags;
 
@@ -1658,13 +1658,13 @@ static struct virtqueue *vring_create_virtqueue_packed(
        vq->free_head = 0;
 
        vq->packed.desc_extra = kmalloc_array(num,
-                       sizeof(struct vring_desc_extra_packed),
+                       sizeof(struct vring_desc_extra),
                        GFP_KERNEL);
        if (!vq->packed.desc_extra)
                goto err_desc_extra;
 
        memset(vq->packed.desc_extra, 0,
-               num * sizeof(struct vring_desc_extra_packed));
+               num * sizeof(struct vring_desc_extra));
 
        for (i = 0; i < num - 1; i++)
                vq->packed.desc_extra[i].next = i + 1;