diff --git a/[refs] b/[refs]
index fb5ce3d99751..37d586c366b2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cc2a5271155a108c9c6a8d70ec4e4f860f32cd07
+refs/heads/master: a713ca2ab9d14dc5c86634bc445ce1f66552c169
diff --git a/trunk/fs/dcache.c b/trunk/fs/dcache.c
index 8f15e8d71bba..93d9f4e1a8ed 100644
--- a/trunk/fs/dcache.c
+++ b/trunk/fs/dcache.c
@@ -1919,7 +1919,7 @@ EXPORT_SYMBOL(d_lookup);
  *
  * __d_lookup callers must be commented.
  */
-struct dentry *__d_lookup(struct dentry *parent, struct qstr *name)
+struct dentry *__d_lookup(const struct dentry *parent, const struct qstr *name)
 {
 	unsigned int len = name->len;
 	unsigned int hash = name->hash;
diff --git a/trunk/include/linux/dcache.h b/trunk/include/linux/dcache.h
index 63e96844a8e8..969086c03301 100644
--- a/trunk/include/linux/dcache.h
+++ b/trunk/include/linux/dcache.h
@@ -295,7 +295,7 @@ extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
 /* appendix may either be NULL or be used for transname suffixes */
 extern struct dentry *d_lookup(struct dentry *, struct qstr *);
 extern struct dentry *d_hash_and_lookup(struct dentry *, struct qstr *);
-extern struct dentry *__d_lookup(struct dentry *, struct qstr *);
+extern struct dentry *__d_lookup(const struct dentry *, const struct qstr *);
 extern struct dentry *__d_lookup_rcu(const struct dentry *parent,
 				const struct qstr *name,
 				unsigned *seq, struct inode *inode);