From 33f695c435f3a49abbb6f1bf763c94ace8d026b9 Mon Sep 17 00:00:00 2001
From: Brian Cox <BrianRCox@gmail.com>
Date: Sun, 12 Jun 2016 18:57:23 -0700
Subject: [PATCH] Use O_NOATIME on directories too, where available, to avoid
 bumping dir access times during scans.

---
 src/core/unixfsservices.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/core/unixfsservices.cpp b/src/core/unixfsservices.cpp
index dc2d72e..91b3098 100644
--- a/src/core/unixfsservices.cpp
+++ b/src/core/unixfsservices.cpp
@@ -190,8 +190,16 @@ void cUnixFSServices::ReadDir(const TSTRING& strFilenameC, std::vector<TSTRING>&
 #endif
 
     //Get all the filenames
-    DIR* dp;
+    DIR* dp=0;
+
+#if defined(O_DIRECTORY) && defined(O_NOATIME)
+    //dfd will be autoclosed by closedir(), should not be explicitly closed.
+    int dfd=open(strFilename.c_str(), O_RDONLY|O_DIRECTORY|O_NOATIME);
+    if (dfd>0)
+        dp = fdopendir(dfd);
+#else
     dp = opendir( strFilename.c_str() );
+#endif
 
     if (dp == NULL) 
     {