[RFC PATCH 4/6] virtio: Various updates to xen-virtio DMA ops layer

[Christoph Hellwig]

On Thu, Apr 14, 2022 at 10:19:31PM +0300, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko <oleksandr_tyshchenko at epam.com>

Various updates is a big indicator that the patch should be split
further.  Please do one change at a time, and fold updates to the
previous patches in the series into those patches instead of fixing
them up later.