Re: [PATCH v3 04/14] vfio: Provide better generic support for open/release vfio_device_ops

[Christoph Hellwig <hch@xxxxxx>]

> +	device->open_count++;
> +	if (device->open_count == 1 && device->ops->open_device) {

I would have written this as

	if (++device->open_count == 1 && device->ops->open_device) {

to make the pattern more clear, but that is just a minor nitpick.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>