b=16209

i=Adilger
i=Robert.Read
test_14 fix: use multiop instead of exec

lustre/tests/sanityN.sh

@@ -254,11 +254,14 @@ test_13() {	# bug 2451 - directory coherency
 run_test 13 "test directory page revocation ===================="
 
 test_14() {
-	mkdir $DIR1/d14
-	cp -p /bin/ls $DIR1/d14/ls
-	exec 100>> $DIR1/d14/ls
-	$DIR2/d14/ls && error || true
-	exec 100<&-
+	mkdir -p $DIR1/$tdir
+	cp -p /bin/ls $DIR1/$tdir/$tfile
+	multiop_bg_pause $DIR1/$tdir/$tfile Ow_c || return 1
+	MULTIPID=$!
+
+	$DIR2/$tdir/$tfile && error || true
+	kill -USR1 $MULTIPID
+	wait $MULTIPID || return 2
 }
 run_test 14 "execution of file open for write returns -ETXTBSY ="