spriv_ioerror
ccb->ccb_h.spriv_ioerror = 0;
} else if (ccb->ccb_h.spriv_ioerror != 0) {
KASSERT(ccb->ccb_h.spriv_ioerror != EJUSTRETURN,
ccb->ccb_h.spriv_ioerror = error;
ccb->ccb_h.spriv_ioerror = EJUSTRETURN;