4.4-stable review patch. If anyone has any objections, please let me know.
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From: Michael S. Tsirkin mst@redhat.com
commit 24a7e4d20783c0514850f24a5c41ede46ab058f0 upstream.
For cleanup it's helpful to be able to simply scan all vqs and discard all data. Add an iterator to do that.
Cc: stable@vger.kernel.org Signed-off-by: Michael S. Tsirkin mst@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- include/linux/virtio.h | 3 +++ 1 file changed, 3 insertions(+)
--- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -124,6 +124,9 @@ int virtio_device_freeze(struct virtio_d int virtio_device_restore(struct virtio_device *dev); #endif
+#define virtio_device_for_each_vq(vdev, vq) \ + list_for_each_entry(vq, &vdev->vqs, list) + /** * virtio_driver - operations for a virtio I/O driver * @driver: underlying device driver (populate name and owner).