md: stop defining MAJOR_NR

MAJOR_NR was only required for magic in linux/blk.h in 2.4 or earlier
kernels, so no need to keep it around.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Christoph Hellwig 2009-03-31 14:27:02 +11:00 • committed by NeilBrown
commit 3dbd8c2e3f