Re: [PATCH] xfstests: test timestamps before the epoch

[Eric Sandeen <sandeen@xxxxxxxxxx>]

On 9/26/11 7:27 AM, Alex Elder wrote:
> On Mon, 2011-09-26 at 07:27 -0400, Christoph Hellwig wrote:
>> This one actually ends up failing on XFS for me:
>>
>> @@ -1,5 +1,5 @@
>>  QA output created by 258
>>  Creating file with timestamp of Jan 1, 1960
>>  -Stat of file yields: -315593940
>>  +Stat of file yields: -315615540
>>   Remounting to flush cache
>>  -Stat of file yields: -315593940
>>  +Stat of file yields: -315615540
>>
>> Note that we still get the same for both, it just seems XFS rounds it
>> a bit different.

Hrm.  Should we just test to be sure the timestamp is negative?
The sign extension is the real error, so as long as it's not
positive it's probably OK.

-Eric

> 
> I haven't seen this one fail.  Must have to do with
> some FS configuration options (like blocksize or
> something).
> 
>                                       -Alex
>