.>z
<z+0=""
+/"rwlock"
.$<<rwlock
<z+0t8=""
+/"throttle_sem"
.$<<sema
<z+0t24=""
+/"chunk size"16t"chunksperbf"16t"chunks"nX4+JJ
+/"maxsize"16t"bitmap size"16t"candidate bitmap"nJJJ
+/"hastrans bitmap"16t"table"16tnJJ
