virtio_ring: split: reserve vring_align, may_reduce_num
authorXuan Zhuo <xuanzhuo@linux.alibaba.com>
Mon, 1 Aug 2022 06:38:35 +0000 (14:38 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Thu, 11 Aug 2022 08:06:39 +0000 (04:06 -0400)
commitaf36b16f6c1e51975a3815eb21c21c47f3114393
treea38f0e5fc884f281a68fdd4ecf0abe7c25417483
parente5175b419a1394e77ff418dd9bfaf15555dfe594
virtio_ring: split: reserve vring_align, may_reduce_num

In vring_alloc_queue_split() save vring_align, may_reduce_num to
structure vring_virtqueue_split. Used to create a new vring when
implementing resize.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20220801063902.129329-16-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/virtio/virtio_ring.c