From: Kay Sievers <kay@vrfy.org>
Date: Wed, 11 Apr 2012 19:33:12 +0000 (+0200)
Subject: tmpfiles: open directories with O_NOATIME to preserve timestamp
X-Git-Tag: v183~393
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5f3d1ba124f14477d6b5434982d7d44a472a66f;p=systemd

tmpfiles: open directories with O_NOATIME to preserve timestamp

Before:
  # stat /tmp/pulse-Du5ectm60QYM | grep 'Access: 20'
  Access: 2012-04-11 21:32:48.444920237 +0200
  # systemd-tmpfiles --clean
  # stat /tmp/pulse-Du5ectm60QYM | grep 'Access: 20'
  Access: 2012-04-11 21:36:27.628925459 +0200

After:
  # stat /tmp/pulse-Du5ectm60QYM | grep 'Access: 20'
  Access: 2012-04-11 21:32:48.444920237 +0200
  # ./systemd-tmpfiles --clean
  # stat /tmp/pulse-Du5ectm60QYM | grep 'Access: 20'
  Access: 2012-04-11 21:32:48.444920237 +0200

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=810257
---

diff --git a/src/tmpfiles.c b/src/tmpfiles.c
index 5e85e374..c5f6fc00 100644
--- a/src/tmpfiles.c
+++ b/src/tmpfiles.c
@@ -269,7 +269,7 @@ static int dir_cleanup(
                                 DIR *sub_dir;
                                 int q;
 
-                                sub_dir = xopendirat(dirfd(d), dent->d_name, O_NOFOLLOW);
+                                sub_dir = xopendirat(dirfd(d), dent->d_name, O_NOFOLLOW|O_NOATIME);
                                 if (sub_dir == NULL) {
                                         if (errno != ENOENT) {
                                                 log_error("opendir(%s/%s) failed: %m", p, dent->d_name);