diff --git a/WHATS_NEW b/WHATS_NEW
index a96b6447e..1758e5b96 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.00.23 - 
 ====================================
+  Use O_NOATIME on devices if available.
   Write log message when each segtype/format gets initialised.
   New commands 'segtypes' and 'formats'.
   Suppress pvmove abort message in test mode.
diff --git a/lib/device/dev-io.c b/lib/device/dev-io.c
index 7dbc462ab..ed3ae9eea 100644
--- a/lib/device/dev-io.c
+++ b/lib/device/dev-io.c
@@ -300,6 +300,12 @@ int dev_open_flags(struct device *dev, int flags, int direct, int quiet)
 		flags |= O_DIRECT;
 #endif
 
+#ifdef O_NOATIME
+	/* Don't update atime on device inodes */
+	if (!(dev->flags & DEV_REGULAR))
+		flags |= O_NOATIME;
+#endif
+
 	if ((dev->fd = open(name, flags, 0777)) < 0) {
 		log_sys_error("open", name);
 		return 0;