.

fuse/opcode.go

@@ -751,6 +751,7 @@ func init() {
 		_OP_MKNOD:           func(ptr unsafe.Pointer) interface{} { return (*MknodIn)(ptr) },
 		_OP_CREATE:          func(ptr unsafe.Pointer) interface{} { return (*CreateIn)(ptr) },
 		_OP_READ:            func(ptr unsafe.Pointer) interface{} { return (*ReadIn)(ptr) },
+		_OP_WRITE:           func(ptr unsafe.Pointer) interface{} { return (*WriteIn)(ptr) },
 		_OP_READDIR:         func(ptr unsafe.Pointer) interface{} { return (*ReadIn)(ptr) },
 		_OP_ACCESS:          func(ptr unsafe.Pointer) interface{} { return (*AccessIn)(ptr) },
 		_OP_FORGET:          func(ptr unsafe.Pointer) interface{} { return (*ForgetIn)(ptr) },

fuse/print_linux.go

@@ -60,10 +60,16 @@ func (in *ReadIn) string() string {
 }
 
 func (in *WriteIn) string() string {
-	// TODO Lx optional - only if WRITE_LOCKOWNER is set
-	return fmt.Sprintf("{h%d [%d +%d) %s L%d %s}",
-		in.Fh, in.Offset, in.Size,
-		flagString(writeFlagNames, int64(in.WriteFlags), ""),
-		in.LockOwner,
-		flagString(openFlagNames, int64(in.Flags), "RDONLY"))
+	// δ: `Fh X` -> hX; Lx optional - only if WRITE_LOCKOWNER is set
+	s := fmt.Sprintf("{h%d [%d +%d)", in.Fh, in.Offset, in.Size)
+	wflags := in.WriteFlags &^ WRITE_LOCKOWNER
+	if wflags != 0 {
+		s += " " + flagString(writeFlagNames, int64(wflags), "")
+	}
+	s += " " + flagString(openFlagNames, int64(in.Flags), "RDONLY")
+	if in.WriteFlags & WRITE_LOCKOWNER != 0 {
+		s += fmt.Sprintf(" L%x", in.LockOwner)
+	}
+	s += "}"
+	return s
 }