sbd_check_reservation_conflict
int sbd_check_reservation_conflict(sbd_lu_t *sl, scsi_task_t *task);
if (sbd_check_reservation_conflict(src_slu, cm->cm_task)) {
if (sbd_check_reservation_conflict(dst_slu, cm->cm_task)) {
if (sbd_check_reservation_conflict(sl, task)) {