On Fri, Jul 19, 2019 at 07:05:18PM +0530, Aarushi Mehta wrote:
> Only enumerates option for devices that support it
> 
> Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com>
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  qapi/block-core.json | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/qapi/block-core.json b/qapi/block-core.json
> index 0d43d4f37c..0a3d4ae7d2 100644
> --- a/qapi/block-core.json
> +++ b/qapi/block-core.json
> @@ -2792,11 +2792,13 @@
>  #
>  # @threads:     Use qemu's thread pool
>  # @native:      Use native AIO backend (only Linux and Windows)
> +# @io_uring:    Use linux io_uring (since 4.1)

Please change this to 4.2.  QEMU 4.1 is frozen prior to the upcoming
release and new features aren't being merged.

Stefan