statistics = createDefaultFileStats(NodeType.FILE, Long.parseLong(getNextIdPath()), 0755);
fileNum=0;
statfs = new FuseStatfs();
statfs.blocks = 0;
statfs.blockSize = SCFSConstants.BLOCK_SIZE;
statfs.blocksFree = 73400320;
statfs.files = 0;
statfs.filesFree = 0;