fuse: provide InitIn/InitOut.Flags64()

Change-Id: I7e23afdfeb6ff65211f6ac3413e8e86e66341313

fuse/opcode.go

@@ -99,7 +99,7 @@ func doInit(server *Server, req *request) {
 		return
 	}
 
-	kernelFlags := uint64(input.Flags) | uint64(input.Flags2)<<32
+	kernelFlags := input.Flags64()
 	server.reqMu.Lock()
 	server.kernelSettings = *input
 	kernelFlags &= (CAP_ASYNC_READ | CAP_BIG_WRITES | CAP_FILE_OPS |

fuse/print.go

@@ -222,13 +222,13 @@ func (in *OpenOut) string() string {
 func (in *InitIn) string() string {
 	return fmt.Sprintf("{%d.%d Ra %d %s}",
 		in.Major, in.Minor, in.MaxReadAhead,
-		flagString(initFlagNames, int64(in.Flags)|(int64(in.Flags2)<<32), ""))
+		flagString(initFlagNames, int64(in.Flags64()), ""))
 }
 
 func (o *InitOut) string() string {
 	return fmt.Sprintf("{%d.%d Ra %d %s %d/%d Wr %d Tg %d MaxPages %d MaxStack %d}",
 		o.Major, o.Minor, o.MaxReadAhead,
-		flagString(initFlagNames, int64(o.Flags)|int64(o.Flags2)<<32, ""),
+		flagString(initFlagNames, int64(o.Flags64()), ""),
 		o.CongestionThreshold, o.MaxBackground, o.MaxWrite,
 		o.TimeGran, o.MaxPages, o.MaxStackDepth)
 }

fuse/types.go

@@ -322,6 +322,10 @@ type InitIn struct {
 	Unused       [11]uint32
 }
 
+func (i *InitIn) Flags64() uint64 {
+	return uint64(i.Flags) | uint64(i.Flags2)<<32
+}
+
 type InitOut struct {
 	Major               uint32
 	Minor               uint32
@@ -338,6 +342,10 @@ type InitOut struct {
 	Unused              [6]uint32
 }
 
+func (o *InitOut) Flags64() uint64 {
+	return uint64(o.Flags) | uint64(o.Flags2)<<32
+}
+
 type _CuseInitIn struct {
 	InHeader
 	Major  uint32