.>z
<z+0=""
+/"rwlock"
.$<<rwlock
<z+0t4=""
+/"throttle_sem"
.$<<sema
<z+0t12=""
+/"chunk size"16t"chunksperbf"16t"chunks"nXJJ
+/"maxsize"16t"bitmap size"16t"candidate bitmap"nJXX
+/"hastrans bitmap"16t"table"16tnXX
