lustre: lov: Drop unneeded set_oabufs and set_pga fields

The fields set_oabufs and set_pga fields in the lov_request_set structure
are never set, so drop them.  Drop also the corresponding test and free in
lov_finish_set.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/lov/lov_internal.h

@@ -102,8 +102,6 @@ struct lov_request_set {
 	struct llog_cookie		*set_cookies;
 	int				set_cookie_sent;
 	struct obd_trans_info		*set_oti;
-	u32				set_oabufs;
-	struct brw_page			*set_pga;
 	struct list_head			set_list;
 	wait_queue_head_t			set_waitq;
 	spinlock_t			set_lock;

drivers/staging/lustre/lustre/lov/lov_request.c

@@ -73,11 +73,6 @@ void lov_finish_set(struct lov_request_set *set)
 		kfree(req->rq_oi.oi_osfs);
 		kfree(req);
 	}
-
-	if (set->set_pga) {
-		int len = set->set_oabufs * sizeof(*set->set_pga);
-		OBD_FREE_LARGE(set->set_pga, len);
-	}
 	kfree(set);
 }