[PATCH 11/15] ubd: use bvec_virt

Anton Ivanov anton.ivanov at cambridgegreys.com
Wed Aug 4 03:10:00 PDT 2021



On 04/08/2021 10:56, Christoph Hellwig wrote:
> Use bvec_virt instead of open coding it.
> 
> Signed-off-by: Christoph Hellwig <hch at 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 at cambridgegreys.com>

-- 
Anton R. Ivanov
Cambridgegreys Limited. Registered in England. Company Number 10273661
https://www.cambridgegreys.com/



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