diff mbox series

[10/17] rnbd-srv: use bio_add_virt_nofail

Message ID 20250422142628.1553523-11-hch@lst.de
State New
Headers show
Series [01/17] block: add a bio_add_virt_nofail helper | expand

Commit Message

Christoph Hellwig April 22, 2025, 2:26 p.m. UTC
Use the bio_add_virt_nofail to add a single kernel virtual address
to a bio as that can't fail.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/rnbd/rnbd-srv.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

Comments

Damien Le Moal April 24, 2025, 6:16 a.m. UTC | #1
On 4/22/25 23:26, Christoph Hellwig wrote:
> Use the bio_add_virt_nofail to add a single kernel virtual address
> to a bio as that can't fail.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Jinpu Wang April 24, 2025, 7:14 a.m. UTC | #2
On Tue, Apr 22, 2025 at 4:27 PM Christoph Hellwig <hch@lst.de> wrote:
>
> Use the bio_add_virt_nofail to add a single kernel virtual address
> to a bio as that can't fail.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
> ---
>  drivers/block/rnbd/rnbd-srv.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
> index 2ee6e9bd4e28..2df8941a6b14 100644
> --- a/drivers/block/rnbd/rnbd-srv.c
> +++ b/drivers/block/rnbd/rnbd-srv.c
> @@ -147,12 +147,7 @@ static int process_rdma(struct rnbd_srv_session *srv_sess,
>
>         bio = bio_alloc(file_bdev(sess_dev->bdev_file), 1,
>                         rnbd_to_bio_flags(le32_to_cpu(msg->rw)), GFP_KERNEL);
> -       if (bio_add_page(bio, virt_to_page(data), datalen,
> -                       offset_in_page(data)) != datalen) {
> -               rnbd_srv_err_rl(sess_dev, "Failed to map data to bio\n");
> -               err = -EINVAL;
> -               goto bio_put;
> -       }
> +       bio_add_virt_nofail(bio, data, datalen);
>
>         bio->bi_opf = rnbd_to_bio_flags(le32_to_cpu(msg->rw));
>         if (bio_has_data(bio) &&
> --
> 2.47.2
>
diff mbox series

Patch

diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index 2ee6e9bd4e28..2df8941a6b14 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c
@@ -147,12 +147,7 @@  static int process_rdma(struct rnbd_srv_session *srv_sess,
 
 	bio = bio_alloc(file_bdev(sess_dev->bdev_file), 1,
 			rnbd_to_bio_flags(le32_to_cpu(msg->rw)), GFP_KERNEL);
-	if (bio_add_page(bio, virt_to_page(data), datalen,
-			offset_in_page(data)) != datalen) {
-		rnbd_srv_err_rl(sess_dev, "Failed to map data to bio\n");
-		err = -EINVAL;
-		goto bio_put;
-	}
+	bio_add_virt_nofail(bio, data, datalen);
 
 	bio->bi_opf = rnbd_to_bio_flags(le32_to_cpu(msg->rw));
 	if (bio_has_data(bio) &&