linux-kernel - Re: [PATCH v2 09/24] virtio_fs: correct tags for config space fields

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Message-ID: <20200804133633.GC273445@redhat.com>
Date:   Tue, 4 Aug 2020 09:36:33 -0400
From:   Vivek Goyal <vgoyal@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        Jason Wang <jasowang@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v2 09/24] virtio_fs: correct tags for config space fields

On Mon, Aug 03, 2020 at 04:59:13PM -0400, Michael S. Tsirkin wrote:
> Since fs is a modern-only device,
> tag config space fields as having little endian-ness.
> 
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

virtio spec does list this field as "le32".

Acked-by: Vivek Goyal <vgoyal@...hat.com>

Vivek

> ---
>  include/uapi/linux/virtio_fs.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/uapi/linux/virtio_fs.h b/include/uapi/linux/virtio_fs.h
> index b02eb2ac3d99..3056b6e9f8ce 100644
> --- a/include/uapi/linux/virtio_fs.h
> +++ b/include/uapi/linux/virtio_fs.h
> @@ -13,7 +13,7 @@ struct virtio_fs_config {
>  	__u8 tag[36];
>  
>  	/* Number of request queues */
> -	__u32 num_request_queues;
> +	__le32 num_request_queues;
>  } __attribute__((packed));
>  
>  #endif /* _UAPI_LINUX_VIRTIO_FS_H */
> -- 
> MST
>