---
 fs/ext4/balloc.c       |    1 +
 fs/ext4/ext4.h         |    2 ++
 fs/ext4/ext4_extents.h |    9 +++++++++
 fs/ext4/ext4_jbd2.c    |    2 ++
 fs/ext4/extents.c      |   23 ++++++++++++++++-------
 fs/ext4/ialloc.c       |    3 ++-
 fs/ext4/inode.c        |    1 +
 fs/ext4/mballoc.c      |    4 ++++
 fs/ext4/super.c        |    9 +++++++++
 9 files changed, 46 insertions(+), 8 deletions(-)

Index: linux-stage/fs/ext4/balloc.c
===================================================================
--- linux-stage.orig/fs/ext4/balloc.c
+++ linux-stage/fs/ext4/balloc.c
@@ -231,6 +231,7 @@ struct ext4_group_desc * ext4_get_group_
 		*bh = sbi->s_group_desc[group_desc];
 	return desc;
 }
+EXPORT_SYMBOL(ext4_get_group_desc);
 
 static int ext4_valid_block_bitmap(struct super_block *sb,
 					struct ext4_group_desc *desc,
Index: linux-stage/fs/ext4/ext4.h
===================================================================
--- linux-stage.orig/fs/ext4/ext4.h
+++ linux-stage/fs/ext4/ext4.h
@@ -1783,6 +1783,8 @@ extern struct inode * ext4_orphan_get(st
 extern unsigned long ext4_count_free_inodes(struct super_block *);
 extern unsigned long ext4_count_dirs(struct super_block *);
 extern void ext4_check_inodes_bitmap(struct super_block *);
+extern struct buffer_head *ext4_read_inode_bitmap(struct super_block *sb,
+						  ext4_group_t block_group);
 extern void ext4_mark_bitmap_end(int start_bit, int end_bit, char *bitmap);
 extern int ext4_init_inode_table(struct super_block *sb,
 				 ext4_group_t group, int barrier);
Index: linux-stage/fs/ext4/ext4_extents.h
===================================================================
--- linux-stage.orig/fs/ext4/ext4_extents.h
+++ linux-stage/fs/ext4/ext4_extents.h
@@ -290,5 +290,14 @@ extern struct ext4_ext_path *ext4_ext_fi
 							struct ext4_ext_path *);
 extern void ext4_ext_drop_refs(struct ext4_ext_path *);
 extern int ext4_ext_check_inode(struct inode *inode);
+extern int ext4_ext_search_right(struct inode *inode,
+				 struct ext4_ext_path *path,
+				 ext4_lblk_t *logical, ext4_fsblk_t *phys);
+extern int ext4_ext_search_left(struct inode *inode,
+				struct ext4_ext_path *path,
+				ext4_lblk_t *logical, ext4_fsblk_t *phys);
+extern int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
+				ext4_lblk_t num, ext_prepare_callback func,
+				void *cbdata);
 #endif /* _EXT4_EXTENTS */
 
Index: linux-stage/fs/ext4/ext4_jbd2.c
===================================================================
--- linux-stage.orig/fs/ext4/ext4_jbd2.c
+++ linux-stage/fs/ext4/ext4_jbd2.c
@@ -19,6 +19,7 @@ int __ext4_journal_get_write_access(cons
 	}
 	return err;
 }
+EXPORT_SYMBOL(__ext4_journal_get_write_access);
 
 /*
  * The ext4 forget function must perform a revoke if we are freeing data
@@ -150,3 +151,4 @@ int __ext4_handle_dirty_super(const char
 		sb->s_dirt = 1;
 	return err;
 }
+EXPORT_SYMBOL(__ext4_handle_dirty_metadata);
Index: linux-stage/fs/ext4/extents.c
===================================================================
--- linux-stage.orig/fs/ext4/extents.c
+++ linux-stage/fs/ext4/extents.c
@@ -1233,9 +1233,9 @@ out:
  * returns 0 at @phys
  * return value contains 0 (success) or error code
  */
-static int ext4_ext_search_left(struct inode *inode,
-				struct ext4_ext_path *path,
-				ext4_lblk_t *logical, ext4_fsblk_t *phys)
+int ext4_ext_search_left(struct inode *inode,
+			 struct ext4_ext_path *path,
+			 ext4_lblk_t *logical, ext4_fsblk_t *phys)
 {
 	struct ext4_extent_idx *ix;
 	struct ext4_extent *ex;
@@ -1298,9 +1298,9 @@ static int ext4_ext_search_left(struct i
  * returns 0 at @phys
  * return value contains 0 (success) or error code
  */
-static int ext4_ext_search_right(struct inode *inode,
-				 struct ext4_ext_path *path,
-				 ext4_lblk_t *logical, ext4_fsblk_t *phys)
+int ext4_ext_search_right(struct inode *inode,
+			  struct ext4_ext_path *path,
+			  ext4_lblk_t *logical, ext4_fsblk_t *phys)
 {
 	struct buffer_head *bh = NULL;
 	struct ext4_extent_header *eh;
@@ -1875,7 +1875,7 @@ cleanup:
 	return err;
 }
 
-static int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
+extern int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
 			       ext4_lblk_t num, ext_prepare_callback func,
 			       void *cbdata)
 {
@@ -4380,3 +4380,12 @@ int ext4_fiemap(struct inode *inode, str
 
 	return error;
 }
+
+EXPORT_SYMBOL(ext4_ext_search_right);
+EXPORT_SYMBOL(ext4_ext_search_left);
+EXPORT_SYMBOL(ext4_ext_insert_extent);
+EXPORT_SYMBOL(ext4_mb_new_blocks);
+EXPORT_SYMBOL(ext4_mark_inode_dirty);
+EXPORT_SYMBOL(ext4_ext_walk_space);
+EXPORT_SYMBOL(ext4_ext_find_extent);
+EXPORT_SYMBOL(ext4_ext_drop_refs);
Index: linux-stage/fs/ext4/ialloc.c
===================================================================
--- linux-stage.orig/fs/ext4/ialloc.c
+++ linux-stage/fs/ext4/ialloc.c
@@ -99,7 +99,7 @@ static unsigned ext4_init_inode_bitmap(s
  *
  * Return buffer_head of bitmap on success or NULL.
  */
-static struct buffer_head *
+struct buffer_head *
 ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
 {
 	struct ext4_group_desc *desc;
@@ -164,6 +164,7 @@ ext4_read_inode_bitmap(struct super_bloc
 	}
 	return bh;
 }
+EXPORT_SYMBOL(ext4_read_inode_bitmap);
 
 /*
  * NOTE! When we get the inode, we're the only people
Index: linux-stage/fs/ext4/inode.c
===================================================================
--- linux-stage.orig/fs/ext4/inode.c
+++ linux-stage/fs/ext4/inode.c
@@ -4685,6 +4685,7 @@ out_stop:
 	ext4_journal_stop(handle);
 	trace_ext4_truncate_exit(inode);
 }
+EXPORT_SYMBOL(ext4_truncate);
 
 /*
  * ext4_get_inode_loc returns with an extra refcount against the inode's
@@ -5098,6 +5099,7 @@ bad_inode:
 	iget_failed(inode);
 	return ERR_PTR(ret);
 }
+EXPORT_SYMBOL(ext4_iget);
 
 static int ext4_inode_blocks_set(handle_t *handle,
 				struct ext4_inode *raw_inode,
Index: linux-stage/fs/ext4/mballoc.c
===================================================================
--- linux-stage.orig/fs/ext4/mballoc.c
+++ linux-stage/fs/ext4/mballoc.c
@@ -3852,6 +3852,7 @@ repeat:
 		call_rcu(&(pa)->u.pa_rcu, ext4_mb_pa_callback);
 	}
 }
+EXPORT_SYMBOL(ext4_discard_preallocations);
 
 #ifdef CONFIG_EXT4_DEBUG
 static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
@@ -4972,3 +4973,6 @@ int ext4_trim_fs(struct super_block *sb,
 
 	return ret;
 }
+
+EXPORT_SYMBOL(ext4_free_blocks);
+
Index: linux-stage/fs/ext4/super.c
===================================================================
--- linux-stage.orig/fs/ext4/super.c
+++ linux-stage/fs/ext4/super.c
@@ -194,6 +194,7 @@ __u32 ext4_itable_unused_count(struct su
 		(EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ?
 		 (__u32)le16_to_cpu(bg->bg_itable_unused_hi) << 16 : 0);
 }
+EXPORT_SYMBOL(ext4_itable_unused_count);
 
 void ext4_block_bitmap_set(struct super_block *sb,
 			   struct ext4_group_desc *bg, ext4_fsblk_t blk)
@@ -378,6 +379,7 @@ void ext4_journal_abort_handle(const cha
 
 	jbd2_journal_abort_handle(handle);
 }
+EXPORT_SYMBOL(ext4_journal_abort_handle);
 
 static void __save_error_info(struct super_block *sb, const char *func,
 			    unsigned int line)
@@ -4270,6 +4272,7 @@ int ext4_force_commit(struct super_block
 
 	return ret;
 }
+EXPORT_SYMBOL(ext4_force_commit);
 
 static void ext4_write_super(struct super_block *sb)
 {
@@ -5198,6 +5201,12 @@ static void __exit ext4_exit_fs(void)
 	ext4_exit_pageio();
 }
 
+EXPORT_SYMBOL(ext4_xattr_get);
+EXPORT_SYMBOL(ext4_xattr_set_handle);
+EXPORT_SYMBOL(ext4_bread);
+EXPORT_SYMBOL(ext4_journal_start_sb);
+EXPORT_SYMBOL(__ext4_journal_stop);
+
 MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others");
 MODULE_DESCRIPTION("Fourth Extended Filesystem");
 MODULE_LICENSE("GPL");