diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 28bfea7..59c1415 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -15,6 +15,7 @@
 	int (*d_delete)(struct dentry *);
 	void (*d_release)(struct dentry *);
 	void (*d_iput)(struct dentry *, struct inode *);
+	char *(*d_dname)((struct dentry *dentry, char *buffer, int buflen);
 
 locking rules:
 	none have BKL
@@ -25,6 +26,7 @@
 d_delete:	yes		no		yes		no
 d_release:	no		no		no		yes
 d_iput:		no		no		no		yes
+d_dname:	no		no		no		no
 
 --------------------------- inode_operations --------------------------- 
 prototypes: