Re: [PATCH 2/2] vhost-use-blk: convert to new virtio_delete_queue

[Stefan Hajnoczi]

On Thu, Feb 13, 2020 at 09:28:07AM +0800, address@hidden wrote:
> diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c
> index 2eba8b9db0..ed6a5cc03b 100644
> --- a/hw/block/vhost-user-blk.c
> +++ b/hw/block/vhost-user-blk.c
> @@ -420,9 +420,10 @@ static void vhost_user_blk_device_realize(DeviceState 
> *dev, Error **errp)
>      virtio_init(vdev, "virtio-blk", VIRTIO_ID_BLOCK,
>                  sizeof(struct virtio_blk_config));
>  
> +    s->virtqs = g_new0(VirtQueue *, s->num_queues);

Minor point, up to you if you want to change it: the array is fully
initialized by the for loop in the next line.  There is no need to clear
the memory first:

s/g_new0/g_new/

> diff --git a/include/hw/virtio/vhost-user-blk.h 
> b/include/hw/virtio/vhost-user-blk.h
> index 108bfadeeb..f68911f6f0 100644
> --- a/include/hw/virtio/vhost-user-blk.h
> +++ b/include/hw/virtio/vhost-user-blk.h
> @@ -37,6 +37,7 @@ typedef struct VHostUserBlk {
>      struct vhost_inflight *inflight;
>      VhostUserState vhost_user;
>      struct vhost_virtqueue *vqs;
> +    VirtQueue **virtqs;

Both vqs and virtqs exist and are easily confused.  Please rename vqs to
vhost_vqs.

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