Index: linux-stage/fs/ext4/super.c
===================================================================
--- linux-stage.orig/fs/ext4/super.c
+++ linux-stage/fs/ext4/super.c
@@ -124,6 +124,7 @@ __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)
@@ -253,6 +254,8 @@ void ext4_journal_abort_handle(const cha
 	jbd2_journal_abort_handle(handle);
 }
 
+EXPORT_SYMBOL(ext4_journal_abort_handle);
+
 /* Deal with the reporting of failure conditions on a filesystem such as
  * inconsistencies detected or read IO failures.
  *
@@ -2590,6 +2593,8 @@ out_fail:
 	return ret;
 }
 
+EXPORT_SYMBOL(ext4_force_commit);
+
 /*
  * Setup any per-fs journal parameters now.  We'll do this both on
  * initial mount, once the journal has been initialised but before we've
@@ -3728,6 +3733,12 @@ int ext4_map_inode_page(struct inode *in
 			unsigned long *blocks, int *created, int create);
 EXPORT_SYMBOL(ext4_map_inode_page);
 
+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 with extents");
 MODULE_LICENSE("GPL");
Index: linux-stage/fs/ext4/ext4.h
===================================================================
--- linux-stage.orig/fs/ext4/ext4.h
+++ linux-stage/fs/ext4/ext4.h
@@ -1047,6 +1047,8 @@ 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);
 
 /* mballoc.c */
 extern long ext4_mb_stats;
Index: linux-stage/fs/ext4/ialloc.c
===================================================================
--- linux-stage.orig/fs/ext4/ialloc.c
+++ linux-stage/fs/ext4/ialloc.c
@@ -96,7 +96,7 @@ unsigned ext4_init_inode_bitmap(struct 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;
@@ -159,6 +159,7 @@ 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/balloc.c
===================================================================
--- linux-stage.orig/fs/ext4/balloc.c
+++ linux-stage/fs/ext4/balloc.c
@@ -238,6 +238,7 @@ 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,