[PATCH v4 02/14] iov_iter: add iterator type for dmabuf maps

[Pavel Begunkov]

On 7/29/26 07:59, Christoph Hellwig wrote:
> On Tue, Jul 28, 2026 at 10:29:14PM +0100, Pavel Begunkov wrote:
>> Introduce a new iterator type for dmabuf maps. The map in an opaque
>> object with internals and format specific to the subsystem / driver, and
>> only it can use that subsystem / driver for issuing IO. The task of the
>> middle layers is to pass the map / iterator further down, maybe doing
>> basic splitting and length checking. The iterator can only be used by
>> operations of the file the associated map was created for.
>>
>> Suggested-by: Keith Busch <kbusch at kernel.org>
>> Signed-off-by: Pavel Begunkov <asml.silence at gmail.com>
> 
> Looks good:
> 
> Reviewed-by: Christoph Hellwig <hch at lst.de>

Thanks,

> I'm also pretty sure I reviewed this and vairous other patches
> before..

There was a lot of shuffling, so I dropped the tag after a 10th
amendment to the patch as I didn't know whether you want to keep it.
I'll keep it all for v5 unless anything conceptual changes.

-- 
Pavel Begunkov