aufs2 standalone patch for linux-2.6.

diff --git a/fs/namei.c b/fs/namei.c
index 967c3db..64a5060 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -337,6 +337,7 @@ int deny_write_access(struct file * file)
 
 	return 0;
 }
+EXPORT_SYMBOL(deny_write_access);
 
 /**
  * path_get - get a reference to a path
@@ -1200,7 +1201,7 @@ out:
  * needs parent already locked. Doesn't follow mounts.
  * SMP-safe.
  */
-static struct dentry *lookup_hash(struct nameidata *nd)
+struct dentry *lookup_hash(struct nameidata *nd)
 {
 	int err;
 
@@ -1209,8 +1210,9 @@ static struct dentry *lookup_hash(struct nameidata *nd)
 		return ERR_PTR(err);
 	return __lookup_hash(&nd->last, nd->path.dentry, nd);
 }
+EXPORT_SYMBOL(lookup_hash);
 
-static int __lookup_one_len(const char *name, struct qstr *this,
+int __lookup_one_len(const char *name, struct qstr *this,
 		struct dentry *base, int len)
 {
 	unsigned long hash;
@@ -1231,6 +1233,7 @@ static int __lookup_one_len(const char *name, struct qstr *this,
 	this->hash = end_name_hash(hash);
 	return 0;
 }
+EXPORT_SYMBOL(__lookup_one_len);
 
 /**
  * lookup_one_len - filesystem helper to lookup single pathname component
diff --git a/fs/namespace.c b/fs/namespace.c
index 134d494..7cd1919 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -38,6 +38,9 @@
 
 /* spinlock for vfsmount related operations, inplace of dcache_lock */
 __cacheline_aligned_in_smp DEFINE_SPINLOCK(vfsmount_lock);
+#ifdef CONFIG_AUFS_EXPORT
+EXPORT_SYMBOL(vfsmount_lock);
+#endif
 
 static int event;
 static DEFINE_IDA(mnt_id_ida);
diff --git a/fs/open.c b/fs/open.c
index bdfbf03..81c39b3 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -221,6 +221,7 @@ int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
 	mutex_unlock(&dentry->d_inode->i_mutex);
 	return err;
 }
+EXPORT_SYMBOL(do_truncate);
 
 static long do_sys_truncate(const char __user *pathname, loff_t length)
 {
diff --git a/fs/splice.c b/fs/splice.c
index 666953d..fbc3f77 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -905,8 +905,8 @@ EXPORT_SYMBOL(generic_splice_sendpage);
 /*
  * Attempt to initiate a splice from pipe to file.
  */
-static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
-			   loff_t *ppos, size_t len, unsigned int flags)
+long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+		    loff_t *ppos, size_t len, unsigned int flags)
 {
 	int ret;
 
@@ -925,13 +925,14 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
 
 	return out->f_op->splice_write(pipe, out, ppos, len, flags);
 }
+EXPORT_SYMBOL(do_splice_from);
 
 /*
  * Attempt to initiate a splice from a file to a pipe.
  */
-static long do_splice_to(struct file *in, loff_t *ppos,
-			 struct pipe_inode_info *pipe, size_t len,
-			 unsigned int flags)
+long do_splice_to(struct file *in, loff_t *ppos,
+		  struct pipe_inode_info *pipe, size_t len,
+		  unsigned int flags)
 {
 	int ret;
 
@@ -947,6 +948,7 @@ static long do_splice_to(struct file *in, loff_t *ppos,
 
 	return in->f_op->splice_read(in, ppos, pipe, len, flags);
 }
+EXPORT_SYMBOL(do_splice_to);
 
 /**
  * splice_direct_to_actor - splices data directly between two non-pipes
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index da5a5a1..261b136 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -25,7 +25,7 @@ struct lockdep_map;
  */
 #define XXX_LOCK_USAGE_STATES		(1+3*4)
 
-#define MAX_LOCKDEP_SUBCLASSES		8UL
+#define MAX_LOCKDEP_SUBCLASSES		12UL
 
 /*
  * Lock-classes are keyed via unique addresses, by embedding the
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 518098f..42a5279 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -74,6 +74,9 @@ extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry
 extern struct file *nameidata_to_filp(struct nameidata *nd, int flags);
 extern void release_open_intent(struct nameidata *);
 
+extern struct dentry *lookup_hash(struct nameidata *nd);
+extern int __lookup_one_len(const char *name, struct qstr *this,
+			    struct dentry *base, int len);
 extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
 extern struct dentry *lookup_one_noperm(const char *, struct dentry *);
 
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 5f3faa9..d2f8660 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -83,4 +83,10 @@ extern ssize_t splice_to_pipe(struct pipe_inode_info *,
 extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
 				      splice_direct_actor *);
 
+extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+			   loff_t *ppos, size_t len, unsigned int flags);
+extern long do_splice_to(struct file *in, loff_t *ppos,
+			 struct pipe_inode_info *pipe, size_t len,
+			 unsigned int flags);
+
 #endif
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 5fda7df..440e476 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -512,6 +512,7 @@ acc_check:
 
 	return -EPERM;
 }
+EXPORT_SYMBOL(devcgroup_inode_permission);
 
 int devcgroup_inode_mknod(int mode, dev_t dev)
 {
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index f4e7266..2a0d58a 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -206,6 +206,7 @@ out:
 	kref_put(&iint->refcount, iint_free);
 	return 0;
 }
+EXPORT_SYMBOL(ima_path_check);
 
 static int process_measurement(struct file *file, const unsigned char *filename,
 			       int mask, int function)
@@ -271,6 +272,7 @@ int ima_file_mmap(struct file *file, unsigned long prot)
 					 MAY_EXEC, FILE_MMAP);
 	return 0;
 }
+EXPORT_SYMBOL(ima_file_mmap);
 
 /*
  * ima_shm_check - IPC shm and shmat create/fput a file
diff --git a/security/security.c b/security/security.c
index 5284255..62a2392 100644
--- a/security/security.c
+++ b/security/security.c
@@ -389,6 +389,7 @@ int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
 		return 0;
 	return security_ops->path_mkdir(path, dentry, mode);
 }
+EXPORT_SYMBOL(security_path_mkdir);
 
 int security_path_rmdir(struct path *path, struct dentry *dentry)
 {
@@ -396,6 +397,7 @@ int security_path_rmdir(struct path *path, struct dentry *dentry)
 		return 0;
 	return security_ops->path_rmdir(path, dentry);
 }
+EXPORT_SYMBOL(security_path_rmdir);
 
 int security_path_unlink(struct path *path, struct dentry *dentry)
 {
@@ -403,6 +405,7 @@ int security_path_unlink(struct path *path, struct dentry *dentry)
 		return 0;
 	return security_ops->path_unlink(path, dentry);
 }
+EXPORT_SYMBOL(security_path_unlink);
 
 int security_path_symlink(struct path *path, struct dentry *dentry,
 			  const char *old_name)
@@ -411,6 +414,7 @@ int security_path_symlink(struct path *path, struct dentry *dentry,
 		return 0;
 	return security_ops->path_symlink(path, dentry, old_name);
 }
+EXPORT_SYMBOL(security_path_symlink);
 
 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
 		       struct dentry *new_dentry)
@@ -419,6 +423,7 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
 		return 0;
 	return security_ops->path_link(old_dentry, new_dir, new_dentry);
 }
+EXPORT_SYMBOL(security_path_link);
 
 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
 			 struct path *new_dir, struct dentry *new_dentry)
@@ -429,6 +434,7 @@ int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
 	return security_ops->path_rename(old_dir, old_dentry, new_dir,
 					 new_dentry);
 }
+EXPORT_SYMBOL(security_path_rename);
 
 int security_path_truncate(struct path *path, loff_t length,
 			   unsigned int time_attrs)
@@ -437,6 +443,7 @@ int security_path_truncate(struct path *path, loff_t length,
 		return 0;
 	return security_ops->path_truncate(path, length, time_attrs);
 }
+EXPORT_SYMBOL(security_path_truncate);
 #endif
 
 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
@@ -508,6 +515,7 @@ int security_inode_readlink(struct dentry *dentry)
 		return 0;
 	return security_ops->inode_readlink(dentry);
 }
+EXPORT_SYMBOL(security_inode_readlink);
 
 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
 {
@@ -522,6 +530,7 @@ int security_inode_permission(struct inode *inode, int mask)
 		return 0;
 	return security_ops->inode_permission(inode, mask);
 }
+EXPORT_SYMBOL(security_inode_permission);
 
 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 {