* got ->private_data and ->queue set
	* got blk_register_region() done in ide-probe.c
	* module loading removed from ide_open() (and taken to probe)
	* ->open() and friends are using ->bd_disk->private_data instead of
	  messing with get_info_ptr(inode->i_rdev)
	* request handler uses ->rq_disk->private_data instead of DEVICE_NR(...)
	* DEVICE_NR() removed.
	* switched to new methods.
	* get_info_ptr() killed.
	* ide_xlate_1024() switched to struct block_device * (probably should
	  simply die).

NOTE: ide-tape pulls mind-boggling crap - it can be opened as a block
device, but you can't do any IO on it; only IDE ioctls.  It happens to
work (almost by accident), but I'd really prefer to take said ioctls to
driverfs and be done with that. 

NOTE: WTF are ide{disk,cd,tape,scsi,floppy} lists? They are defined,
exported and never touched by anything.