medium_error_start 4442 drivers/scsi/scsi_debug.c module_param_named(medium_error_start, sdebug_medium_error_start, int, S_IRUGO | S_IWUSR); medium_error_start 4502 drivers/scsi/scsi_debug.c MODULE_PARM_DESC(medium_error_start, "starting sector number to return MEDIUM error");