adding functionality to retrieve file name from a block

[Jack Li]

Hi,

I am trying to add functionality so that a block can store the name of 
the file it is associated with. Having looked at the HDFS source code, 
would this implementation be added correctly by make some modifications 
to the INodeFile.java and Block.java files? Are there some more 
modifications I am missing that need to be added for this functionality 
to be possible? Thanks

Jack