Operation DataBlock** getDumpable (bool & fragmented, off_t& offset), in Class ReadBuffer

Documentation
if we have to wrap or to jump other a unfree block
we chain the DataBlocks and set fragmented==true;
The offset is the local offset in the part


Protocol Qualification 
Exceptions Size 
Time ConcurrencySequential
Export ControlPublicAccess  


Preconditions


Postconditions


Semantics


MessagesgetDumpable(  )getDumpable(  )