When a request to write the predetermined data to the page again is received, the predetermined data is written to {TAIL ~ an empty free page} in {HEAD ~ the log block} 
When a request to write the predetermined data to the page again is received , the predetermined data is written to { TAIL ~ an empty free page } in { HEAD ~ the log block }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD