code: public NfsCommitResponse commit(long offsetToCommit, int dataSizeToCommit) throws IOException {
          return getNfs().wrapped_sendCommit(makeCommitRequest(offsetToCommit, dataSizeToCommit));
      }
docs: /*
  (non-Javadoc)
  
  @see com.emc.ecs.nfsclient.nfs.NfsFile#commit(long, int)