[RFC v2 02/11] iov_iter: introduce iter type for pre-registered dma

[Christoph Hellwig]

On Sun, Nov 23, 2025 at 10:51:22PM +0000, Pavel Begunkov wrote:
> diff --git a/include/linux/uio.h b/include/linux/uio.h
> index 5b127043a151..1b22594ca35b 100644
> --- a/include/linux/uio.h
> +++ b/include/linux/uio.h
> @@ -29,6 +29,7 @@ enum iter_type {
>  	ITER_FOLIOQ,
>  	ITER_XARRAY,
>  	ITER_DISCARD,
> +	ITER_DMA_TOKEN,

Please use DMABUF/dmabuf naming everywhere, this is about dmabufs and
not dma in general.

Otherwise this looks good.