Debug print for filenames in notify/readlink.

fuse/opcode.go

@@ -309,6 +309,7 @@ type operationHandler struct {
 	DecodeIn   castPointerFunc
 	DecodeOut  castPointerFunc
 	FileNames  int
+	FileNameOut bool
 }
 
 var operationHandlers []*operationHandler
@@ -338,6 +339,11 @@ func init() {
 		operationHandlers[i] = &operationHandler{Name: "UNKNOWN"}
 	}
 
+	fileOps := []opcode{_OP_READLINK, _OP_NOTIFY_ENTRY} 
+	for _, op := range fileOps {
+		operationHandlers[op].FileNameOut = true
+	}
+	
 	for op, sz := range map[opcode]uintptr{
 		_OP_FORGET:     unsafe.Sizeof(ForgetIn{}),
 		_OP_GETATTR:    unsafe.Sizeof(GetAttrIn{}),

fuse/request.go

 package fuse
 
 import (
-	"fmt"
 	"bytes"
+	"fmt"
 	"log"
+	"strings"
 	"unsafe"
 )
 
@@ -70,8 +71,13 @@ func (me *request) OutputDebug() string {
 
 	flatStr := ""
 	if len(me.flatData) > 0 {
+		if me.handler.FileNameOut {
+			s := strings.TrimRight(string(me.flatData), "\x00")
+			flatStr = fmt.Sprintf(" %q", s)
+		} else {
 			flatStr = fmt.Sprintf(" %d bytes data\n", len(me.flatData))
 		}
+	}
 
 	return fmt.Sprintf("Serialize: %v code: %v value: %v%v",
 		me.inHeader.opcode, me.status, dataStr, flatStr)