commit 24a7e4d207
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>