Re: [PATCH 11/15] ubd: use bvec_virt

Anton Ivanov
2021-08-04T10:36:21Z

On 04/08/2021 10:56, Christoph Hellwig wrote:
> Use bvec_virt instead of open coding it.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> arch/um/drivers/ubd_kern.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
> index e497185dd393..cd9dc0556e91 100644
> --- a/arch/um/drivers/ubd_kern.c
> +++ b/arch/um/drivers/ubd_kern.c
> @@ -1268,8 +1268,7 @@ static void ubd_map_req(struct ubd *dev, struct io_thread_req *io_req,
> rq_for_each_segment(bvec, req, iter) {
> BUG_ON(i >= io_req->desc_cnt);
>
> - io_req->io_desc[i].buffer =
> - page_address(bvec.bv_page) + bvec.bv_offset;
> + io_req->io_desc[i].buffer = bvec_virt(&bvec);
> io_req->io_desc[i].length = bvec.bv_len;
> i++;
> }
>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>

--
Anton R. Ivanov
Cambridgegreys Limited. Registered in England. Company Number 10273661