Add documentation TODO.

fuse/fsconnector.go

 package fuse
 
 // This file contains the internal logic of the
-// FileSystemConnector. The functions for satisfying the raw interface are in
-// fsops.go
+// FileSystemConnector. The functions for satisfying the raw interface
+// are in fsops.go
 
+/* TODO - document overall structure and locking strategy.
+
+ "at a first glance, questions that come up: why doesn't fsconnector
+have the lock, why does every node need it?  (I have some ideas, but
+they take a while to verify)"
+
+ "a short sum up on how the forget count is handled"
+
+*/
 import (
 	"fmt"
 	"log"