ubd: use bvec_virt

Use bvec_virt instead of open coding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Link: https://lore.kernel.org/r/20210804095634.460779-12-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index e497185dd393b60ade4b2d57fe9f6ab2bd1d3eba..cd9dc0556e9135b81936dc517e85a8c2c7c8946e 100644 (file)
--- 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++;
                }