Re: [PATCH] deleg: break infinite loop in DELEG8 test

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In general, I want, but it's already happens on handling compound call:

```
        for item in range(max_retries):
            res = self.c.compound([seq_op] + ops, **kwargs)
            res = self.update_seq_state(res, slot)
            if res.status != NFS4ERR_DELAY or not handle_state_errors:
                break
            if res.resarray[0].sr_status != NFS4ERR_DELAY:
                # As per errata ID 2006 for RFC 5661 section 15.1.1.3
                # don't update the slot and sequence ID if the sequence
                # operation itself receives NFS4ERR_DELAY
                slot, seq_op = self._prepare_compound(saved_kwargs)
            time.sleep(delay_time)
```

Tigran.

----- Original Message -----
> From: "Jeff Layton" <jlayton@xxxxxxxxxx>
> To: "Tigran Mkrtchyan" <tigran.mkrtchyan@xxxxxxx>, "Calum Mackay" <calum.mackay@xxxxxxxxxx>
> Cc: "linux-nfs" <linux-nfs@xxxxxxxxxxxxxxx>
> Sent: Tuesday, 15 April, 2025 16:10:11
> Subject: Re: [PATCH] deleg: break infinite loop in DELEG8 test

> On Tue, 2025-04-15 at 13:48 +0200, Tigran Mkrtchyan wrote:
>> The test assumes that the server can return either OK or DELAY,
>> however, the 'break' condition checks only for OK.
>> 
>> Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@xxxxxxx>
>> ---
>>  nfs4.1/server41tests/st_delegation.py | 4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>> 
>> diff --git a/nfs4.1/server41tests/st_delegation.py
>> b/nfs4.1/server41tests/st_delegation.py
>> index ea4c073..60b0de6 100644
>> --- a/nfs4.1/server41tests/st_delegation.py
>> +++ b/nfs4.1/server41tests/st_delegation.py
>> @@ -181,8 +181,8 @@ def testDelegRevocation(t, env):
>>                          owner, how, claim)
>>      while 1:
>>          res = sess2.compound(env.home + [open_op])
>> -        if res.status == NFS4_OK:
>> -            break;
>> +        if res.status == NFS4_OK or res.status == NFS4ERR_DELAY:
>> +            break
>>          check(res, [NFS4_OK, NFS4ERR_DELAY])
>>          # just to keep sess1 renewed.  This is a bit fragile, as we
>>          # depend on the above compound waiting no longer than the
> 
> Don't you want to loop on NFS4ERR_DELAY?
> 
> It looks like this is supposed to loop (with no DELEGRETURN) until the
> open returns NFS4_OK. Presumably at that point the delegation will be
> revoked and you'll get the expected errors.
> --
> Jeff Layton <jlayton@xxxxxxxxxx>

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