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

[Pavel Begunkov]

On 12/4/25 10:43, Christoph Hellwig wrote:
> 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.

I guess I can do that (in all places) since it got that much fat
around dmabuf, but for me it was always about passing dma
addresses. Dmabuf was a way to pass buffers, even though
mandatory for uapi.

-- 
Pavel Begunkov