track_shift      2104 drivers/block/floppy.c 	int track_shift;
track_shift      2133 drivers/block/floppy.c 	track_shift = 2 * head_shift + 3;
track_shift      2136 drivers/block/floppy.c 	n = (track_shift * format_req.track + head_shift * format_req.head)