diff --git a/fs/internal.h b/fs/internal.h
index b71deee..f57ced5 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -130,6 +130,7 @@
 extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);
 extern int d_set_mounted(struct dentry *dentry);
 extern long prune_dcache_sb(struct super_block *sb, struct shrink_control *sc);
+extern struct dentry *d_alloc_cursor(struct dentry *);
 
 /*
  * read_write.c