Re: [PATCH V11 10/19] block: loop: pass multi-page bvec to iov_iter

From: Christoph Hellwig
Date: Wed Nov 21 2018 - 09:00:32 EST


> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
> index 1ad6eafc43f2..a281b6737b61 100644
> --- a/include/linux/blkdev.h
> +++ b/include/linux/blkdev.h
> @@ -805,6 +805,10 @@ struct req_iterator {
> __rq_for_each_bio(_iter.bio, _rq) \
> bio_for_each_segment(bvl, _iter.bio, _iter.iter)
>
> +#define rq_for_each_bvec(bvl, _rq, _iter) \
> + __rq_for_each_bio(_iter.bio, _rq) \
> + bio_for_each_bvec(bvl, _iter.bio, _iter.iter)
> +

I think this should go into the patch adding bio_for_each_bvec and
friends.

Otherwise looks fine:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>