Re: [Qemu-devel] [PATCH v6 15/18] dataplane/virtio-blk: drop flush_true() and flush_io()

[Wenchao Xia <xiawenc@linux.vnet.ibm.com>]

Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>

> .io_flush() is no longer called so drop flush_true() and flush_io().
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>   hw/block/dataplane/virtio-blk.c | 17 ++---------------
>   1 file changed, 2 insertions(+), 15 deletions(-)
> 
> diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
> index 8d3e145..f8624d1 100644
> --- a/hw/block/dataplane/virtio-blk.c
> +++ b/hw/block/dataplane/virtio-blk.c
> @@ -264,11 +264,6 @@ static int process_request(IOQueue *ioq, struct iovec iov[],
>       }
>   }
> 
> -static int flush_true(EventNotifier *e)
> -{
> -    return true;
> -}
> -
>   static void handle_notify(EventNotifier *e)
>   {
>       VirtIOBlockDataPlane *s = container_of(e, VirtIOBlockDataPlane,
> @@ -348,14 +343,6 @@ static void handle_notify(EventNotifier *e)
>       }
>   }
> 
> -static int flush_io(EventNotifier *e)
> -{
> -    VirtIOBlockDataPlane *s = container_of(e, VirtIOBlockDataPlane,
> -                                           io_notifier);
> -
> -    return s->num_reqs > 0;
> -}
> -
>   static void handle_io(EventNotifier *e)
>   {
>       VirtIOBlockDataPlane *s = container_of(e, VirtIOBlockDataPlane,
> @@ -486,7 +473,7 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s)
>           exit(1);
>       }
>       s->host_notifier = *virtio_queue_get_host_notifier(vq);
> -    aio_set_event_notifier(s->ctx, &s->host_notifier, handle_notify, flush_true);
> +    aio_set_event_notifier(s->ctx, &s->host_notifier, handle_notify, NULL);
> 
>       /* Set up ioqueue */
>       ioq_init(&s->ioqueue, s->fd, REQ_MAX);
> @@ -494,7 +481,7 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s)
>           ioq_put_iocb(&s->ioqueue, &s->requests[i].iocb);
>       }
>       s->io_notifier = *ioq_get_notifier(&s->ioqueue);
> -    aio_set_event_notifier(s->ctx, &s->io_notifier, handle_io, flush_io);
> +    aio_set_event_notifier(s->ctx, &s->io_notifier, handle_io, NULL);
> 
>       s->started = true;
>       trace_virtio_blk_data_plane_start(s);
> 


-- 
Best Regards

Wenchao Xia