16 	struct virtio_pmem_request *req_data, *req_buf;  in virtio_pmem_host_ack()  local
21 	while ((req_data = virtqueue_get_buf(vq, &len)) != NULL) {  in virtio_pmem_host_ack()
22 		req_data->done = true;  in virtio_pmem_host_ack()
23 		wake_up(&req_data->host_acked);  in virtio_pmem_host_ack()
42 	struct virtio_pmem_request *req_data;  in virtio_pmem_flush()  local
57 	req_data = kmalloc(sizeof(*req_data), GFP_KERNEL);  in virtio_pmem_flush()
58 	if (!req_data)  in virtio_pmem_flush()
61 	req_data->done = false;  in virtio_pmem_flush()
62 	init_waitqueue_head(&req_data->host_acked);  in virtio_pmem_flush()
63 	init_waitqueue_head(&req_data->wq_buf);  in virtio_pmem_flush()
64 	INIT_LIST_HEAD(&req_data->list);  in virtio_pmem_flush()
65 	req_data->req.type = cpu_to_le32(VIRTIO_PMEM_REQ_TYPE_FLUSH);  in virtio_pmem_flush()
66 	sg_init_one(&sg, &req_data->req, sizeof(req_data->req));  in virtio_pmem_flush()
68 	sg_init_one(&ret, &req_data->resp.ret, sizeof(req_data->resp));  in virtio_pmem_flush()
78 	while ((err = virtqueue_add_sgs(vpmem->req_vq, sgs, 1, 1, req_data,  in virtio_pmem_flush()
82 		req_data->wq_buf_avail = false;  in virtio_pmem_flush()
83 		list_add_tail(&req_data->list, &vpmem->req_list);  in virtio_pmem_flush()
87 		wait_event(req_data->wq_buf, req_data->wq_buf_avail);  in virtio_pmem_flush()
101 		wait_event(req_data->host_acked, req_data->done);  in virtio_pmem_flush()
102 		err = le32_to_cpu(req_data->resp.ret);  in virtio_pmem_flush()
105 	kfree(req_data);  in virtio_pmem_flush()