btrfs: Opencode ordered_data_tree_panic

	return NULL;

}

static void ordered_data_tree_panic(struct inode *inode, int errno,

					       u64 offset)

{

	struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);

	btrfs_panic(fs_info, errno,

		    "Inconsistency in ordered tree at offset %llu", offset);

}

/*

 * look for a given offset in the tree, and if it can't be found return the

 * first lesser offset

	node = tree_insert(&tree->tree, file_offset,

			   &entry->rb_node);

	if (node)

		ordered_data_tree_panic(inode, -EEXIST, file_offset);

		btrfs_panic(fs_info, -EEXIST,

				"inconsistency in ordered tree at offset %llu",

				file_offset);

	spin_unlock_irq(&tree->lock);

	spin_lock(&root->ordered_extent_lock);