This patch is not needed for 2.x, but is kept to allow the same kernel
to be used between 1.8.x and 2.0.x for ease of upgrade.

Index: linux-2.6.12-rc6/fs/dcache.c
===================================================================
--- linux-2.6.12-rc6.orig/fs/dcache.c	2005-06-14 15:53:19.812195198 +0200
+++ linux-2.6.12-rc6/fs/dcache.c	2005-06-14 15:53:58.385436913 +0200
@@ -1581,6 +1581,7 @@
 
 	return result;
 }
+EXPORT_SYMBOL(is_subdir);
 
 void d_genocide(struct dentry *root)
 {