From 0ca302f12aa8be391d6b8e7081b5c75fbec2e872 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Thu, 29 Jul 2021 20:39:50 +0200
Subject: fusefrontend: implement fsync on directories

Fixes https://github.com/rfjakob/gocryptfs/issues/587
---
 tests/defaults/main_test.go | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'tests')

diff --git a/tests/defaults/main_test.go b/tests/defaults/main_test.go
index b356f41..2513860 100644
--- a/tests/defaults/main_test.go
+++ b/tests/defaults/main_test.go
@@ -11,6 +11,7 @@ import (
 	"runtime"
 	"strings"
 	"sync"
+	"syscall"
 	"testing"
 
 	"github.com/rfjakob/gocryptfs/tests/test_helpers"
@@ -394,3 +395,30 @@ func TestMaxlen(t *testing.T) {
 		t.Errorf("wrong output: %s", string(out))
 	}
 }
+
+func TestFsync(t *testing.T) {
+	fileName := test_helpers.DefaultPlainDir + "/" + t.Name() + ".file"
+	fileFD, err := syscall.Creat(fileName, 0600)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer syscall.Close(fileFD)
+	dirName := test_helpers.DefaultPlainDir + "/" + t.Name() + ".dir"
+	if err := os.Mkdir(dirName, 0700); err != nil {
+		t.Fatal(err)
+	}
+	dirFD, err := syscall.Open(dirName, syscall.O_RDONLY, 0)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer syscall.Close(dirFD)
+
+	err = syscall.Fsync(dirFD)
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = syscall.Fsync(fileFD)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
-- 
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