On Tue, Oct 20, 2020 at 10:21 AM Jason Wang <jasowang@redhat.com> wrote:

On 2020/10/20 上午10:18, 谢永吉 wrote:
>
>
>
>     How does this driver compare with vhost-user-blk (which doesn't
>     need kernel support)?
>
>
> We want to implement a block device rather than a virtio-blk
> dataplane. And with this driver's help, the vhost-user-blk process
> could provide storage service to all APPs in the host.
>
> Thanks,
> Yongji


I guess the point is that, with the help of VDUSE, besides vhost-vDPA
for VM, you can have a kernel virtio interface through virtio-vdpa which
can not be done in vhost-user-blk.
 
Exactly correct! 
 
 Thanks,
Yongji