unmap_max_blocks 4462 drivers/scsi/scsi_debug.c module_param_named(unmap_max_blocks, sdebug_unmap_max_blocks, int, S_IRUGO); unmap_max_blocks 4522 drivers/scsi/scsi_debug.c MODULE_PARM_DESC(unmap_max_blocks, "max # of blocks can be unmapped in one cmd (def=0xffffffff)");