taglinefilesource code
FD_VERIFY545drivers/block/floppy.cUSETF(FD_VERIFY); /* verify write protection */    
FD_VERIFY1293drivers/block/floppy.cif (TESTF(FD_VERIFY)) {
FD_VERIFY1301drivers/block/floppy.cCLEARF(FD_VERIFY);
FD_VERIFY3045drivers/block/floppy.cUSETF(FD_VERIFY);
FD_VERIFY3405drivers/block/floppy.cUDRS->flags = FD_VERIFY | FD_DISK_NEWCHANGE | FD_DISK_CHANGED;