Index: linux-2.6.4-51.0/fs/filesystems.c
===================================================================
--- linux-2.6.4-51.0.orig/fs/filesystems.c	2004-04-05 12:41:59.000000000 -0400
+++ linux-2.6.4-51.0/fs/filesystems.c	2004-04-15 14:59:56.000000000 -0400
@@ -27,7 +27,9 @@
  */
 
 static struct file_system_type *file_systems;
-static rwlock_t file_systems_lock = RW_LOCK_UNLOCKED;
+rwlock_t file_systems_lock = RW_LOCK_UNLOCKED;
+
+EXPORT_SYMBOL(file_systems_lock);
 
 /* WARNING: This can be used only if we _already_ own a reference */
 void get_filesystem(struct file_system_type *fs)
Index: linux-2.6.4-51.0/include/linux/fs.h
===================================================================
--- linux-2.6.4-51.0.orig/include/linux/fs.h	2004-04-15 14:59:50.000000000 -0400
+++ linux-2.6.4-51.0/include/linux/fs.h	2004-04-15 14:59:56.000000000 -0400
@@ -1432,6 +1432,7 @@
 
 extern struct file_operations generic_ro_fops;
 
+extern rwlock_t file_systems_lock;
 #define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m))
 
 extern int vfs_readlink(struct dentry *, char __user *, int, const char *);
Index: linux-2.6.4-51.0/include/linux/ext2_fs_sb.h
===================================================================
--- linux-2.6.4-51.0.orig/include/linux/ext2_fs_sb.h	2004-04-05 12:42:07.000000000 -0400
+++ linux-2.6.4-51.0/include/linux/ext2_fs_sb.h	2004-04-15 14:59:56.000000000 -0400
@@ -16,9 +16,11 @@
 #ifndef _LINUX_EXT2_FS_SB
 #define _LINUX_EXT2_FS_SB
 
+#ifndef EXT_INCLUDE
+#define EXT_INCLUDE
 #include <linux/blockgroup_lock.h>
 #include <linux/percpu_counter.h>
-
+#endif
 /*
  * second extended-fs super-block data in memory
  */
Index: linux-2.6.5-12.1/kernel/exit.c
===================================================================
--- linux-2.6.5-12.1.orig/kernel/exit.c	2004-05-10 12:21:56.000000000 -0400
+++ linux-2.6.5-12.1/kernel/exit.c	2004-06-03 18:31:28.000000000 -0400
@@ -260,6 +260,8 @@
 	write_unlock_irq(&tasklist_lock);
 }
 
+EXPORT_SYMBOL(reparent_to_init);
+
 void __set_special_pids(pid_t session, pid_t pgrp)
 {
 	struct task_struct *curr = current;