no_cow 156 arch/um/drivers/ubd_kern.c unsigned no_cow:1; no_cow 180 arch/um/drivers/ubd_kern.c .no_cow = 0, \ no_cow 337 arch/um/drivers/ubd_kern.c ubd_dev->no_cow = 1; no_cow 369 arch/um/drivers/ubd_kern.c if(ubd_dev->no_cow){ no_cow 795 arch/um/drivers/ubd_kern.c back_ptr = ubd_dev->no_cow ? NULL : &ubd_dev->cow.file;