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SubjectRe: [PATCH V2 02/12] virtio: add doc for validate() method
On Tue, Oct 12, 2021 at 02:52:17PM +0800, Jason Wang wrote:
> This patch adds doc for validate() method.
>
> Signed-off-by: Jason Wang <jasowang@redhat.com>

And maybe document __virtio_clear_bit : it says
"for use by transports" and now it's also legal in the
validate callback.

> ---
> include/linux/virtio.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/virtio.h b/include/linux/virtio.h
> index 41edbc01ffa4..0cd8685aeba4 100644
> --- a/include/linux/virtio.h
> +++ b/include/linux/virtio.h
> @@ -152,6 +152,7 @@ size_t virtio_max_dma_size(struct virtio_device *vdev);
> * @feature_table_size: number of entries in the feature table array.
> * @feature_table_legacy: same as feature_table but when working in legacy mode.
> * @feature_table_size_legacy: number of entries in feature table legacy array.
> + * @validate: optional function to do early checks
> * @probe: the function to call when a device is found. Returns 0 or -errno.
> * @scan: optional function to call after successful probe; intended
> * for virtio-scsi to invoke a scan.
> --
> 2.25.1

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