VRING_DESC_F_NEXT  192 kernel/virtio_disk.c     if (flag & VRING_DESC_F_NEXT)
VRING_DESC_F_NEXT  252 kernel/virtio_disk.c   disk.desc[idx[0]].flags = VRING_DESC_F_NEXT;
VRING_DESC_F_NEXT  261 kernel/virtio_disk.c   disk.desc[idx[1]].flags |= VRING_DESC_F_NEXT;