bug#53037: df/total-verify fail with cephfs

[Paul Eggert]

On 1/5/22 11:27, Dylan Simon wrote:
> Only adding rows with all known values
> might make sense but would still break the test (wrong total total instead):
>
>    if (known_value (iv->total) && known_value (iv->available)) {
>      grand_fsu.fsu_files += iv->total;
>      grand_fsu.fsu_ffree += iv->available;
>    }

Sorry, I'm not quite following. If you make the above change, what will 
the output look like instead? And how will that break the test?