Re: [Patch v4 0/3] Introduce a driver to support host accelerated access to Microsoft Azure Blob

From: Christoph Hellwig
Date: Tue Jul 20 2021 - 02:02:24 EST

On Mon, Jul 19, 2021 at 09:37:56PM -0700, Bart Van Assche wrote:
> such that this object storage driver can be implemented as a user-space
> library instead of as a kernel driver? As you may know vfio users can
> either use eventfds for completion notifications or polling. An
> interface like io_uring can be built easily on top of vfio.

Yes. Similar to say the NVMe K/V command set this does not look like
a candidate for a kernel driver.