> 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_f
iov_iter is implemented on bvec itererator helpers, so it is safe to pass
multi-page bvec to it, and this way is much more efficient than passing one
page in each bvec.
Signed-off-by: Ming Lei
---
drivers/block/loop.c | 20 ++--
include/linux/blkdev.h | 4
2 files changed