Re: [PATCH] virtio_blk: mark all zone fields LE

From: Jason Wang
Date: Fri Dec 23 2022 - 01:29:17 EST


On Fri, Dec 23, 2022 at 3:32 AM Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
>
> zone is a virtio 1.x feature so all fields are LE,
> they are handled as such, but have mistakenly been labeled
> __virtioXX in the header. This results in a bunch of sparse warnings.
>
> Use the __leXX tags to make sparse happy.
>
> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>

Acked-by: Jason Wang <jasowang@xxxxxxxxxx>

Thanks

> ---
> include/uapi/linux/virtio_blk.h | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h
> index f4d5ee7c6f30..ec3c3779406f 100644
> --- a/include/uapi/linux/virtio_blk.h
> +++ b/include/uapi/linux/virtio_blk.h
> @@ -141,11 +141,11 @@ struct virtio_blk_config {
>
> /* Zoned block device characteristics (if VIRTIO_BLK_F_ZONED) */
> struct virtio_blk_zoned_characteristics {
> - __virtio32 zone_sectors;
> - __virtio32 max_open_zones;
> - __virtio32 max_active_zones;
> - __virtio32 max_append_sectors;
> - __virtio32 write_granularity;
> + __le32 zone_sectors;
> + __le32 max_open_zones;
> + __le32 max_active_zones;
> + __le32 max_append_sectors;
> + __le32 write_granularity;
> __u8 model;
> __u8 unused2[3];
> } zoned;
> @@ -245,11 +245,11 @@ struct virtio_blk_outhdr {
> */
> struct virtio_blk_zone_descriptor {
> /* Zone capacity */
> - __virtio64 z_cap;
> + __le64 z_cap;
> /* The starting sector of the zone */
> - __virtio64 z_start;
> + __le64 z_start;
> /* Zone write pointer position in sectors */
> - __virtio64 z_wp;
> + __le64 z_wp;
> /* Zone type */
> __u8 z_type;
> /* Zone state */
> @@ -258,7 +258,7 @@ struct virtio_blk_zone_descriptor {
> };
>
> struct virtio_blk_zone_report {
> - __virtio64 nr_zones;
> + __le64 nr_zones;
> __u8 reserved[56];
> struct virtio_blk_zone_descriptor zones[];
> };
> --
> MST
>