Inconsistent/potentially incorrect behavior with relative lookups via chdir(2) on UFS/ZFS

[Peter Jeremy]

On 2012-Nov-03 13:56:04 -0700, Garrett Cooper <yanegomi at gmail.com> wrote:
>On Sat, Nov 3, 2012 at 3:38 AM, Peter Jeremy <peter at rulingia.com> wrote:
>> Whilst playing with the above, I've found some wierd timing issues
>> with UFS+SU:
>>
>> $ mkdir -p ~/p/q/r;sync
>> $ cd p/q/r
>> $ rm -r ~/p; while date; do sleep 3 ; ls -al;done
>> Sat  3 Nov 2012 21:29:19 EST
>> total 2
>> drwxr-xr-x  0 peter  jeremy  512  3 Nov 21:28 .
>> drwxr-xr-x  0 peter  jeremy    0  3 Nov 21:29 ..
>> Sat  3 Nov 2012 21:29:22 EST
...
>> Sat  3 Nov 2012 21:29:46 EST
>> total 0
>> Sat  3 Nov 2012 21:29:49 EST
>>
>
>    Interesting; with SU-J or SUJ (my testing was with the default: SUJ)?

This was on 8.3 with no journalling.  I haven't tried on later variants.
I couldn't reproduce it with ZFS and couldn't always reproduce it with UFS.

-- 
Peter Jeremy
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