Add test for dd iflags=noatime.

2 files changed, 15 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 9aca34b0d..fd1353b74 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,11 @@
-2005-12-09  Jim Meyering  <jim@meyering.net>
+2005-12-09  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* Version 6.0-cvs.
 
+	* tests/dd/misc: Add test for dd iflags=noatime.
+
+2005-12-09  Jim Meyering  <jim@meyering.net>
+
 	* src/sort.c (usage): Mention white space vs -b and -t options.
 	From The Wanderer.
 
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