[PATCH] md: allow array level to be set textually via sysfs

Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index 0fb5af6..6864631 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -119,6 +119,7 @@
 	int				chunk_size;
 	time_t				ctime, utime;
 	int				level, layout;
+	char				clevel[16];
 	int				raid_disks;
 	int				max_disks;
 	sector_t			size; /* used size of component devices */