Index: linux-2.6.7/fs/ext3/extents-in-ea.c
===================================================================
--- linux-2.6.7.orig/fs/ext3/extents-in-ea.c	2004-08-13 08:58:28.000000000 +0800
+++ linux-2.6.7/fs/ext3/extents-in-ea.c	2004-08-13 08:58:34.000000000 +0800
@@ -115,7 +115,7 @@
 	kfree(root);
 	return err;
 }
-
+EXPORT_SYMBOL(ext3_init_tree_in_ea);
 static int
 ext3_ext_in_ea_new_extent(struct ext3_extents_tree *tree,
 			struct ext3_ext_path *path,
@@ -173,7 +173,7 @@
 	}
 	return err;
 }
-
+EXPORT_SYMBOL(ext3_ext_in_ea_alloc_space);
 int ext3_ext_in_ea_remove_space(struct inode *inode, int name_index,
 				const char *eaname, unsigned long from,
 				unsigned long num)
@@ -188,7 +188,7 @@
 	}
 	return err;
 }
-
+EXPORT_SYMBOL(ext3_ext_in_ea_remove_space);
 int ext3_ext_in_ea_presence(struct inode *inode, int name_index,
 				const char *eaname, unsigned long block)
 {
@@ -331,3 +331,49 @@
 	return err;
 }
 
+EXPORT_SYMBOL(ext3_ext_in_ea_ioctl);
+int ext3_ext_in_ea_get_extents(struct inode *inode, int name_index,
+			       const char *eaname, char **buf, int *size)
+{
+	/*allocate the buffer and put the extents there*/
+	struct ext3_extents_tree tree;
+	struct ext3_extent_buf ex_buf;
+	int    err;
+	err = ext3_init_tree_in_ea_desc(&tree, inode, name_index, eaname);
+	if (err)
+		goto out;
+	ex_buf.cur = *buf;
+	ex_buf.err = 0;
+	tree.private = &ex_buf;
+	ex_buf.start = 0;
+	
+	err = ext3_ext_walk_space(&tree, ex_buf.start, EXT_MAX_BLOCK,
+						ext3_ext_store_extent_cb);
+	if (err == 0)
+		err = ex_buf.err;
+	ext3_release_tree_in_ea_desc(&tree);
+out:
+	return err;
+}
+EXPORT_SYMBOL(ext3_ext_in_ea_get_extents);
+int ext3_ext_in_ea_get_extents_num(struct inode *inode, int name_index,
+				   const char *eaname, int *size)
+{
+	struct ext3_extents_tree tree;
+	struct ext3_extent_tree_stats stats_buf;
+	int    err = 0, ext_num;
+	/*get extents number*/
+	err = ext3_init_tree_in_ea_desc(&tree, inode, name_index, eaname);
+	if (err)
+		return err;
+	tree.private = &stats_buf;
+	err = ext3_ext_walk_space(&tree, 0, EXT_MAX_BLOCK,
+				  ext3_ext_collect_stats_cb);
+	ext_num = stats_buf.extents_num;
+	ext3_release_tree_in_ea_desc(&tree);
+
+	*size = ext_num * sizeof(struct ext3_extent);	
+
+	return err;	
+}
+EXPORT_SYMBOL(ext3_ext_in_ea_get_extents_num);
Index: linux-2.6.7/fs/ext3/ioctl.c
===================================================================
--- linux-2.6.7.orig/fs/ext3/ioctl.c	2004-08-13 08:58:28.000000000 +0800
+++ linux-2.6.7/fs/ext3/ioctl.c	2004-08-13 08:58:34.000000000 +0800
@@ -11,6 +11,7 @@
 #include <linux/jbd.h>
 #include <linux/ext3_fs.h>
 #include <linux/ext3_jbd.h>
+#include <linux/ext3_extents.h>
 #include <linux/time.h>
 #include <asm/uaccess.h>