diff mbox series

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

Message ID 20230130092157.1759539-10-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/23] block: factor out a bvec_set_page helper | expand

Commit Message

Christoph Hellwig Jan. 30, 2023, 9:21 a.m. UTC
Use the bvec_set_virt helper to initialize the special_vec.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/virtio_blk.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Michael S. Tsirkin Jan. 30, 2023, 3:17 p.m. UTC | #1
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@lst.de>

Acked-by: Michael S. Tsirkin <mst@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
Jason Wang Jan. 31, 2023, 3:22 a.m. UTC | #2
On Mon, Jan 30, 2023 at 11:18 PM Michael S. Tsirkin <mst@redhat.com> wrote:
>
> 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@lst.de>
>
> Acked-by: Michael S. Tsirkin <mst@redhat.com>

Acked-by: Jason Wang <jasowang@redhat.com>

Thanks

>
>
> > ---
> >  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
>
Chaitanya Kulkarni Jan. 31, 2023, 6:57 a.m. UTC | #3
On 1/30/23 01:21, Christoph Hellwig wrote:
> Use the bvec_set_virt helper to initialize the special_vec.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>

-ck
diff mbox series

Patch

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;