8  * We reserve minor number 0 for a control interface.  ioctl()s on this
9  * device are used to bind the other minor numbers to block devices.
57 	const int minor = iminor(inode);  in raw_open()  local
61 	if (minor == 0) {	/* It is the control device */  in raw_open()
71 	bdev = raw_devices[minor].binding;  in raw_open()
84 	if (++raw_devices[minor].inuse == 1)  in raw_open()
104 	const int minor= iminor(inode);  in raw_release()  local
108 	bdev = raw_devices[minor].binding;  in raw_release()
109 	if (--raw_devices[minor].inuse == 0)  in raw_release()
128 static int bind_set(int number, u64 major, u64 minor)  in bind_set()  argument
130 	dev_t dev = MKDEV(major, minor);  in bind_set()
137 	if (MAJOR(dev) != major || MINOR(dev) != minor)  in bind_set()
153 	 * major/minor numbers make sense.  in bind_set()
232 		rq.block_minor = MINOR(dev);  in raw_ctl_ioctl()
274 		rq.block_minor = MINOR(dev);  in raw_ctl_compat_ioctl()