truncate_inode_pages(&inode->i_data, 0);
void ext2_delete_inode (struct inode * inode){	if (is_bad_inode(inode))		goto no_delete;	EXT2_I(inode)->i_dtime	= get_seconds();	mark_inode_dirty(inode);	ext2_update_inode(inode, inode_needs_sync(inode));	inode->i_size = 0;	if (inode->i_blocks)		ext2_truncate (inode);	ext2_free_inode (inode);	return;no_delete:	clear_inode(inode);	/* We must guarantee clearing of inode... */}