public void writeINodeTableBlock(byte[] data, int blockNo) throws FileSystemException, IOException {
public synchronized void writeINodeTableBlock(byte[] data, int blockNo) throws FileSystemException, IOException {
	public void writeINodeTableBlock(byte[] data, int blockNo) throws FileSystemException, IOException {		if(blockNo < blockCount) 			fs.writeBlock(firstBlock+blockNo, data, false);		else throw new FileSystemException("Trying to write block #"+blockNo+			"of an inode table that only has "+blockCount+" blocks");			}