On Sat, Mar 12, 2022 at 12:28:32AM +0900, Suwan Kim
wrote:> diff --git a/include/uapi/linux/virtio_blk.h
b/include/uapi/linux/virtio_blk.h
> index d888f013d9ff..3fcaf937afe1 100644
> --- a/include/uapi/linux/virtio_blk.h
> +++ b/include/uapi/linux/virtio_blk.h
> @@ -119,8 +119,9 @@ struct virtio_blk_config {
> * deallocation of one or more of the sectors.
> */
> __u8 write_zeroes_may_unmap;
> + __u8 unused1;
>
> - __u8 unused1[3];
> + __virtio16 num_poll_queues;
> } __attribute__((packed));
Same as any virtio UAPI change, this has to go through the virtio TC.
In particular I don't think gating a new config field on
an existing feature flag is a good idea.
> /*
> --
> 2.26.3