Two pass approach:

    Read checkpoint


Pass 1)
    Compute pass checkpoint segment list. 
	Use array of timestamps per segment.
    Locate all inodes in new region and keep track of inode deallocates.
	Record new inode location in table along with new location.

Pass 2)
    Roll forward checking computing active bytes for segment.

	Process log entries;
	    If all objects are forward change has been allo




