From 4713202758c9e785060c546e287b4d3cee33d23b Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 9 Dec 2005 21:48:38 +0000
Subject: Add test for dd iflags=noatime.

---
 tests/dd/misc | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'tests/dd')

diff --git a/tests/dd/misc b/tests/dd/misc
index 436db47bd..40fc7bf3e 100755
--- a/tests/dd/misc
+++ b/tests/dd/misc
@@ -22,6 +22,16 @@ rm $tmp_out
 dd -- if=$tmp_in of=$tmp_out > /dev/null 2>&1 || fail=1
 cmp $tmp_in $tmp_out || fail=1
 
+old_ls=`ls -u --full-time $tmp_in`
+sleep 1
+if dd iflags=noatime if=$tmp_in of=$tmp_out > /dev/null 2>&1; then
+  new_ls=`ls -u --full-time $tmp_in`
+  if test "x$old_ls" != "x$new_ls"; then
+    echo "dd iflags=noatime updated atime; O_NOATIME bug in your kernel?" >&2
+    fail=1
+  fi
+fi
+
 rm -f $tmp_in $tmp_out
 
 exit $fail
-- 
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