SCSI_SCAN_RESCAN
scsi_scan_target(&ioc->sh->shost_gendev, 1, disk, 0, SCSI_SCAN_RESCAN);
SCSI_SCAN_RESCAN, hostdata);
SCSI_SCAN_RESCAN);
scan_data.rescan = SCSI_SCAN_RESCAN;
SCSI_SCAN_RESCAN);