md/raid10: typedef removal: conf_t -> struct r10conf

Signed-off-by: NeilBrown <neilb@suse.de>

drivers/md/raid10.h

@@ -11,7 +11,7 @@ struct mirror_info {
 						 */
 };
 
-struct r10_private_data_s {
+struct r10conf {
 	struct mddev		*mddev;
 	struct mirror_info	*mirrors;
 	int			raid_disks;
@@ -67,8 +67,6 @@ struct r10_private_data_s {
 	struct md_thread	*thread;
 };
 
-typedef struct r10_private_data_s conf_t;
-
 /*
  * this is our 'private' RAID10 bio.
  *