VIRTIO_BLK_T_FLUSH
if (vr->vr_hdr.type != VIRTIO_BLK_T_FLUSH) {
operation = VIRTIO_BLK_T_FLUSH;
if (operation != VIRTIO_BLK_T_FLUSH) {
if (operation != VIRTIO_BLK_T_FLUSH) {
if (operation != VIRTIO_BLK_T_FLUSH)
case VIRTIO_BLK_T_FLUSH: return "flush";