.

fuse/request.go

@@ -77,6 +77,8 @@ func (r *request) clear() {
 	r.readResult = nil
 }
 
+const debugDataDumpMax = 8 // maximum #bytes of request/response data to dump
+
 func (r *request) InputDebug() string {
 	val := ""
 	if r.handler.DecodeIn != nil {
@@ -89,7 +91,13 @@ func (r *request) InputDebug() string {
 	}
 
 	if len(r.arg) > 0 {
-		names += fmt.Sprintf(" %db", len(r.arg))
+		l := len(r.arg)
+		s := ""
+		if l > debugDataDumpMax {
+			l = debugDataDumpMax
+			s = "..."
+		}
+		names += fmt.Sprintf(" %db %q%s", len(r.arg), r.arg[:l], s)
 	}
 
 	return fmt.Sprintf("rx %d: %s i%d %s%s",
@@ -120,13 +128,13 @@ func (r *request) OutputDebug() string {
 			} else {
 				l := len(r.flatData)
 				s := ""
-				if l > 8 {
-					l = 8
+				if l > debugDataDumpMax {
+					l = debugDataDumpMax
 					s = "..."
 				}
 				spl = fmt.Sprintf(" %q%s", r.flatData[:l], s)
 			}
-			flatStr = fmt.Sprintf(" %db data%s", r.flatDataSize(), spl)
+			flatStr = fmt.Sprintf(" %db %s", r.flatDataSize(), spl)
 		}
 	}