Re: [Qemu-devel] [PATCH v5 10/11] dataplane: add virtio-blk data plane code

[Paolo Bonzini <pbonzini@redhat.com>]

Il 05/12/2012 21:47, Stefan Hajnoczi ha scritto:
> +
> +/* Block until pending requests have completed
> + *
> + * The vring continues to be serviced so ensure no new requests will be added
> + * to avoid races.
> + */
> +void virtio_blk_data_plane_drain(VirtIOBlockDataPlane *s)
> +{
> +    qemu_mutex_lock(&s->num_reqs_lock);
> +    while (s->num_reqs > 0) {
> +        qemu_cond_wait(&s->no_reqs_cond, &s->num_reqs_lock);
> +    }
> +    qemu_mutex_unlock(&s->num_reqs_lock);
> +}

Hi Stefan,

so this was not changed from v4?

Paolo