Add some bits to the ondisk bmap structure so that we can track the status of the stored crc's.  This will be used when a file is partially truncated or when the crc state is  otherwise unknown
Add some bits to the ondisk bmap structure so that we can track the status of the stored
crc's.  This will be used when a file is partially truncated or when the crc state is 
otherwise unknown



git-svn-id: ae92b08b608af1c8cefa3e10d2325ea527204e07@6237 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable