virtqueue_add
return virtqueue_add(_vq, sgs, total_sg, out_sgs, in_sgs,
return virtqueue_add(vq, &sg, num, 1, 0, data, NULL, false, gfp, 0);
return virtqueue_add(vq, &sg, num, 1, 0, data, NULL, true, gfp, 0);
return virtqueue_add(vq, &sg, num, 0, 1, data, NULL, false, gfp, 0);
return virtqueue_add(vq, &sg, num, 0, 1, data, NULL, false, gfp,
return virtqueue_add(vq, &sg, num, 0, 1, data, ctx, false, gfp, 0);
return virtqueue_add(vq, &sg, num, 0, 1, data, ctx, true, gfp, 0);