From e48566720146e0c843554d2d474d7e5dad03b64d Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Wed, 8 Jan 2020 13:56:49 +0100
Subject: [PATCH] Kernel: ftruncate() should update mtime

---
 Kernel/FileSystem/InodeFile.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Kernel/FileSystem/InodeFile.cpp b/Kernel/FileSystem/InodeFile.cpp
index f3449498a8..852a450401 100644
--- a/Kernel/FileSystem/InodeFile.cpp
+++ b/Kernel/FileSystem/InodeFile.cpp
@@ -50,7 +50,13 @@ String InodeFile::absolute_path(const FileDescription& description) const
 
 KResult InodeFile::truncate(off_t size)
 {
-    return m_inode->truncate(size);
+    auto truncate_result = m_inode->truncate(size);
+    if (truncate_result.is_error())
+        return truncate_result;
+    int mtime_result = m_inode->set_mtime(kgettimeofday().tv_sec);
+    if (mtime_result != 0)
+        return KResult(mtime_result);
+    return KSuccess;
 }
 
 KResult InodeFile::chown(uid_t uid, gid_t gid)