From c5ccd9c2d12812b5c8f0b91c89c31a95e800957d Mon Sep 17 00:00:00 2001
From: Sebastian Messmer <messmer@cryfs.org>
Date: Thu, 9 Jun 2016 17:32:35 -0700
Subject: [PATCH] Set cache entry to dirty when timestamps are changed.
 Otherwise, it wouldn't be written back.

---
 src/cryfs/filesystem/CryOpenFile.cpp         | 2 ++
 src/cryfs/filesystem/fsblobstore/DirBlob.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/cryfs/filesystem/CryOpenFile.cpp b/src/cryfs/filesystem/CryOpenFile.cpp
index 8a03b2a8..336665b4 100644
--- a/src/cryfs/filesystem/CryOpenFile.cpp
+++ b/src/cryfs/filesystem/CryOpenFile.cpp
@@ -30,6 +30,7 @@ CryOpenFile::~CryOpenFile() {
 void CryOpenFile::flush() {
   _device->callFsActionCallbacks();
   _fileBlob->flush();
+  _parent->flush();
 }
 
 void CryOpenFile::stat(struct ::stat *result) const {
@@ -59,6 +60,7 @@ void CryOpenFile::write(const void *buf, size_t count, off_t offset) {
 void CryOpenFile::fsync() {
   _device->callFsActionCallbacks();
   _fileBlob->flush();
+  _parent->flush();
 }
 
 void CryOpenFile::fdatasync() {
diff --git a/src/cryfs/filesystem/fsblobstore/DirBlob.cpp b/src/cryfs/filesystem/fsblobstore/DirBlob.cpp
index 194dd6fb..a029f0d9 100644
--- a/src/cryfs/filesystem/fsblobstore/DirBlob.cpp
+++ b/src/cryfs/filesystem/fsblobstore/DirBlob.cpp
@@ -161,11 +161,13 @@ void DirBlob::statChildExceptSize(const Key &key, struct ::stat *result) const {
 void DirBlob::updateAccessTimestampForChild(const Key &key) {
   std::unique_lock<std::mutex> lock(_mutex);
   _entries.updateAccessTimestampForChild(key);
+  _changed = true;
 }
 
 void DirBlob::updateModificationTimestampForChild(const Key &key) {
   std::unique_lock<std::mutex> lock(_mutex);
   _entries.updateModificationTimestampForChild(key);
+  _changed = true;
 }
 
 void DirBlob::chmodChild(const Key &key, mode_t mode) {