-run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f $loop1 $loop2
-run_check $SUDO_HELPER mount $loop1 "$TEST_MNT"
-run_check $SUDO_HELPER dd bs=1M count=1 if=/dev/zero "of=$TEST_MNT/foobar"
+run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$loop1" "$loop2"
+run_check $SUDO_HELPER mount "$loop1" "$TEST_MNT"
+run_check $SUDO_HELPER dd bs=1M count=1 if=/dev/zero of="$TEST_MNT/foobar"