1./"flag"16t"usecount"16t"holdcnt"16t"shc"8t"exc"nXDDdd 2+/"lastr"16t"id"16t"mount"16t"ops"nDDXX 3+/"freef"16t"freeb"16t"mountf"16t"mountb"n4X 4+/"cleanblkhd"16t"dirtyblkhead"16t"numoutput"16t"type"nXXDD 5+/"mountpt"16t"tag"16t"data"nXDXX 6