[PATCH 09/23] virtio_blk: use bvec_set_virt to initialize special_vec

[Michael S. Tsirkin]

On Mon, Jan 30, 2023 at 10:21:43AM +0100, Christoph Hellwig wrote:
> Use the bvec_set_virt helper to initialize the special_vec.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Acked-by: Michael S. Tsirkin <mst at redhat.com>


> ---
>  drivers/block/virtio_blk.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
> index 6a77fa91742880..dc6e9b989910b0 100644
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -170,9 +170,7 @@ static int virtblk_setup_discard_write_zeroes_erase(struct request *req, bool un
>  
>  	WARN_ON_ONCE(n != segments);
>  
> -	req->special_vec.bv_page = virt_to_page(range);
> -	req->special_vec.bv_offset = offset_in_page(range);
> -	req->special_vec.bv_len = sizeof(*range) * segments;
> +	bvec_set_virt(&req->special_vec, range, sizeof(*range) * segments);
>  	req->rq_flags |= RQF_SPECIAL_PAYLOAD;
>  
>  	return 0;
> -- 
> 2.39.0