[PATCH] md: create a MODULE_ALIAS for md corresponding to its block major number.

I just discovered this is needed for module auto-loading.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 486ee50..deccd56 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4011,3 +4011,4 @@
 EXPORT_SYMBOL(md_check_recovery);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("md");
+MODULE_ALIAS_BLOCKDEV_MAJOR(MD_MAJOR);