Index: linux-2.4.24/fs/ext3/extents-in-ea.c
===================================================================
--- linux-2.4.24.orig/fs/ext3/extents-in-ea.c	2004-08-10 16:13:06.000000000 +0400
+++ linux-2.4.24/fs/ext3/extents-in-ea.c	2004-08-10 16:18:18.000000000 +0400
@@ -222,3 +222,112 @@
 	return err;
 }
 
+static int
+ext3_ext_store_extent_cb(struct ext3_extents_tree *tree,
+			struct ext3_ext_path *path,
+			struct ext3_extent *newex, int exist)
+{
+	struct ext3_extent_buf *buf = (struct ext3_extent_buf *) tree->private;
+
+	if (!exist)
+		return EXT_CONTINUE;
+	if (buf->err < 0)
+		return EXT_BREAK;
+	if (buf->cur - buf->buffer + sizeof(*newex) > buf->buflen)
+		return EXT_BREAK;
+
+	if (!copy_to_user(buf->cur, newex, sizeof(*newex))) {
+		buf->err++;
+		buf->cur += sizeof(*newex);
+	} else {
+		buf->err = -EFAULT;
+		return EXT_BREAK;
+	}
+	return EXT_CONTINUE;
+}
+
+static int
+ext3_ext_collect_stats_cb(struct ext3_extents_tree *tree,
+			struct ext3_ext_path *path,
+			struct ext3_extent *ex, int exist)
+{
+	struct ext3_extent_tree_stats *buf =
+		(struct ext3_extent_tree_stats *) tree->private;
+	int depth;
+
+	if (!exist)
+		return EXT_CONTINUE;
+
+	depth = EXT_DEPTH(tree);
+	buf->extents_num++;
+	if (path[depth].p_ext == EXT_FIRST_EXTENT(path[depth].p_hdr))
+		buf->leaf_num++;
+	return EXT_CONTINUE;
+}
+
+struct ea_tree_desc {
+	int name_index;
+	char eaname[256];
+};
+
+int ext3_ext_in_ea_ioctl(struct inode *inode, struct file *filp,
+				unsigned int cmd, unsigned long arg)
+{
+	int err = 0;
+
+	if (cmd == EXT3_IOC_EA_TREE_INIT) {
+		struct ea_tree_desc desc;
+
+		if (copy_from_user(&desc, (void *) arg, sizeof(desc)))
+			return -EFAULT;
+		err = ext3_init_tree_in_ea(inode, desc.name_index,
+						desc.eaname, 64);
+	} else if (cmd == EXT3_IOC_GET_EA_EXTENTS) {
+		struct ext3_extents_tree tree;
+		struct ext3_extent_buf buf;
+		struct ea_tree_desc desc;
+
+		if (copy_from_user(&buf, (void *) arg, sizeof(buf)))
+			return -EFAULT;
+		if (copy_from_user(&desc, buf.cur, sizeof(desc)))
+			return -EFAULT;
+		err = ext3_init_tree_in_ea_desc(&tree, inode,
+						desc.name_index, desc.eaname);
+		if (err)
+			goto out;
+		buf.cur = buf.buffer;
+		buf.err = 0;
+		tree.private = &buf;
+		err = ext3_ext_walk_space(&tree, buf.start, EXT_MAX_BLOCK,
+						ext3_ext_store_extent_cb);
+		if (err == 0)
+			err = buf.err;
+		ext3_release_tree_in_ea_desc(&tree);
+	} else if (cmd == EXT3_IOC_EA_TREE_ALLOCATE) {
+		struct ext3_extent_buf buf;
+		struct ea_tree_desc desc;
+
+		if (copy_from_user(&buf, (void *) arg, sizeof(buf)))
+			return -EFAULT;
+		if (copy_from_user(&desc, buf.cur, sizeof(desc)))
+			return -EFAULT;
+		err = ext3_ext_in_ea_alloc_space(inode, desc.name_index,
+						desc.eaname, buf.start,
+						buf.err);
+	} else if (cmd == EXT3_IOC_EA_TREE_REMOVE) {
+		struct ext3_extent_buf buf;
+		struct ea_tree_desc desc;
+
+		if (copy_from_user(&buf, (void *) arg, sizeof(buf)))
+			return -EFAULT;
+		if (copy_from_user(&desc, buf.cur, sizeof(desc)))
+			return -EFAULT;
+		err = ext3_ext_in_ea_remove_space(inode, desc.name_index,
+						desc.eaname, buf.start,
+						buf.err);
+	}
+
+out:
+	return err;
+}
+
Index: linux-2.4.24/fs/ext3/ioctl.c
===================================================================
--- linux-2.4.24.orig/fs/ext3/ioctl.c	2004-08-10 16:09:22.000000000 +0400
+++ linux-2.4.24/fs/ext3/ioctl.c	2004-08-10 16:14:40.000000000 +0400
@@ -178,6 +178,13 @@
 	case EXT3_IOC_GET_TREE_STATS:
 	case EXT3_IOC_GET_TREE_DEPTH:
 		return ext3_ext_ioctl(inode, filp, cmd, arg);
+	case EXT3_IOC_GET_EA_EXTENTS:
+	case EXT3_IOC_GET_EA_TREE_DEPTH:
+	case EXT3_IOC_GET_EA_TREE_STATS:
+	case EXT3_IOC_EA_TREE_INIT:
+	case EXT3_IOC_EA_TREE_ALLOCATE:
+	case EXT3_IOC_EA_TREE_REMOVE:
+		return ext3_ext_in_ea_ioctl(inode, filp, cmd, arg);
 	default:
 		return -ENOTTY;
 	}
Index: linux-2.4.24/include/linux/ext3_fs.h
===================================================================
--- linux-2.4.24.orig/include/linux/ext3_fs.h	2004-08-10 16:09:22.000000000 +0400
+++ linux-2.4.24/include/linux/ext3_fs.h	2004-08-10 16:14:40.000000000 +0400
@@ -214,6 +214,14 @@
 #define	EXT3_IOC_GET_TREE_DEPTH		_IOR('f', 6, long)
 #define	EXT3_IOC_GET_TREE_STATS		_IOR('f', 7, long)
 
+#define	EXT3_IOC_GET_EA_EXTENTS		_IOR('f', 10, long)
+#define	EXT3_IOC_GET_EA_TREE_DEPTH	_IOR('f', 11, long)
+#define	EXT3_IOC_GET_EA_TREE_STATS	_IOR('f', 12, long)
+#define	EXT3_IOC_EA_TREE_INIT		_IOW('f', 13, long)
+#define	EXT3_IOC_EA_TREE_ALLOCATE	_IOW('f', 14, long)
+#define	EXT3_IOC_EA_TREE_REMOVE		_IOW('f', 15, long)
+
+
 /*
  * Structure of an inode on the disk
  */