diff --git a/lustre/mdd/mdd_internal.h b/lustre/mdd/mdd_internal.h
index d72d48c66e8e66c3fff72d06fcb5f0ec004bf868..205cce1d249af70df7561cb3b59763d2ba96ed83 100644
--- a/lustre/mdd/mdd_internal.h
+++ b/lustre/mdd/mdd_internal.h
@@ -115,7 +115,8 @@ struct mdd_object {
         unsigned long     mod_flags;
         struct dynlock    mod_pdlock;
 #ifdef CONFIG_LOCKDEP
-        struct lockdep_map mod_dep_map_pdlock;
+        /* "dep_map" name is assumed by lockdep.h macros. */
+        struct lockdep_map dep_map;
 #endif
 };
 
@@ -553,7 +554,7 @@ static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
 
 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
                                 const struct lu_buf *buf, const char *name,
-                                int fl, struct thandle *handle, 
+                                int fl, struct thandle *handle,
                                 struct lustre_capa *capa)
 {
         struct dt_object *next = mdd_object_child(obj);
@@ -571,7 +572,7 @@ static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
         return next->do_ops->do_xattr_del(env, next, name, handle, capa);
 }
 
-static inline 
+static inline
 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
                    struct lu_buf *buf, struct lustre_capa *capa)
 {
@@ -580,7 +581,7 @@ int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
         return next->do_ops->do_xattr_list(env, next, buf, capa);
 }
 
-static inline 
+static inline
 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
                                  const struct dt_index_features *feat)
 {
@@ -604,8 +605,8 @@ static inline void mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
         return next->do_ops->do_ref_del(env, next, handle);
 }
 
-static inline 
-int mdo_create_obj(const struct lu_env *env, struct mdd_object *o, 
+static inline
+int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
                    struct lu_attr *attr,
                    struct dt_allocation_hint *hint,
                    struct thandle *handle)
@@ -615,7 +616,7 @@ int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
 }
 
 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
-                                            struct mdd_object *obj, 
+                                            struct mdd_object *obj,
                                             struct lustre_capa *old,
                                             __u64 opc)
 {
diff --git a/lustre/mdd/mdd_lock.c b/lustre/mdd/mdd_lock.c
index e90ae04d60650269e03457d42b146724c60d1e0e..b84d4c26363691994fd045784abcfd654f9cdeeb 100644
--- a/lustre/mdd/mdd_lock.c
+++ b/lustre/mdd/mdd_lock.c
@@ -57,18 +57,18 @@ static struct lock_class_key mdd_pdirop_key;
 
 static void mdd_lockdep_init(struct mdd_object *obj)
 {
-        lockdep_init_map(&obj->mod_dep_map_pdlock, "pdir", &mdd_pdirop_key);
+        lockdep_set_class_and_name(obj, &mdd_pdirop_key, "pdir");
 }
 
 static void mdd_lockdep_pd_acquire(struct mdd_object *obj,
                                    enum mdd_object_role role)
 {
-        lock_acquire(&obj->mod_dep_map_pdlock, role, 0, 1, 2, RETIP);
+        lock_acquire(&obj->dep_map, role, 0, 1, 2, RETIP);
 }
 
 static void mdd_lockdep_pd_release(struct mdd_object *obj)
 {
-        lock_release(&obj->mod_dep_map_pdlock, 0, RETIP);
+        lock_release(&obj->dep_map, 0, RETIP);
 }
 
 #else /* !CONFIG_LOCKDEP */