IDE0_MAJOR         14 include/linux/major.h #define IDE0_MAJOR		3
IDE0_MAJOR         13 include/linux/root_dev.h Root_HDA1 = MKDEV(IDE0_MAJOR, 1),
IDE0_MAJOR         14 include/linux/root_dev.h Root_HDA2 = MKDEV(IDE0_MAJOR, 2),