md: remove typedefs: mirror_info_t -> struct mirror_info

Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index be7f8d9..94f898a 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -1,8 +1,6 @@
 #ifndef _RAID10_H
 #define _RAID10_H
 
-typedef struct mirror_info mirror_info_t;
-
 struct mirror_info {
 	struct md_rdev	*rdev;
 	sector_t	head_position;
@@ -15,7 +13,7 @@
 
 struct r10_private_data_s {
 	struct mddev		*mddev;
-	mirror_info_t		*mirrors;
+	struct mirror_info	*mirrors;
 	int			raid_disks;
 	spinlock_t		device_lock;