This code responds to a host command by restoring from the non volatile memory to {HEAD ~ the memory system} a reduced portion of {TAIL ~ controller state data} based upon that host command 
This code responds to a host command by restoring from the non volatile memory to { HEAD ~ the memory system } a reduced portion of { TAIL ~ controller state data } based upon that host command
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH