diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 2e30248..7d704db 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -122,8 +122,8 @@
 
 	int (*extra_mon_dispatch)(struct ceph_client *, struct ceph_msg *);
 
-	u32 supported_features;
-	u32 required_features;
+	u64 supported_features;
+	u64 required_features;
 
 	struct ceph_messenger msgr;   /* messenger instance */
 	struct ceph_mon_client monc;
@@ -192,8 +192,8 @@
 				struct ceph_client *client);
 extern struct ceph_client *ceph_create_client(struct ceph_options *opt,
 					      void *private,
-					      unsigned supported_features,
-					      unsigned required_features);
+					      u64 supported_features,
+					      u64 required_features);
 extern u64 ceph_client_id(struct ceph_client *client);
 extern void ceph_destroy_client(struct ceph_client *client);
 extern int __ceph_open_session(struct ceph_client *client,