Nitpick.

fuse/bufferpool.go

@@ -80,7 +80,6 @@ func (me *BufferPool) addBuffer(slice []byte, exp uint) {
 	me.buffersByExponent[exp] = append(me.buffersByExponent[exp], slice)
 }
 
-
 func (me *BufferPool) AllocBuffer(size uint32) []byte {
 	sz := int(size)
 	if sz < PAGESIZE {

fuse/fuse.go

@@ -136,8 +136,7 @@ func (me *MountState) OperationCounts() map[string]int {
 }
 
 func (me *MountState) BufferPoolStats() string {
-	return fmt.Sprintf("buffers %v",
-		me.buffers.String())
+	return me.buffers.String()
 }
 
 ////////////////////////////////////////////////////////////////