Re: [PATCH] Permit COMMIT operations to return NFS4_OK

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> On Feb 4, 2022, at 4:02 PM, Frank Filz <ffilzlnx@xxxxxxxxxxxxxx> wrote:
> 
>> RFC 7530 permits COMMIT to return NFS4ERR_INVAL, but RFC 5661 and later do
>> not. Allow INVAL as a legacy behavior, but test for OK also.
> 
> Do we have a 4.1 test to verify 4.1 and later doesn't return INVAL?

No v4.1-related test that I'm aware of.

Note that RFC 1813 also restricts the use of NFS3ERR_INVAL with COMMIT.
We therefore believe that RFC 7530 mistakenly permits the use of
NFS4ERR_INVAL with COMMIT. Because the specs are not consistent in this
area, we chose to allow either result in CMT4.


> Frank
> 
>> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
>> ---
>> nfs4.0/servertests/st_commit.py |    2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/nfs4.0/servertests/st_commit.py b/nfs4.0/servertests/st_commit.py
>> index 12a0dffa061f..4ef87e69c5d7 100644
>> --- a/nfs4.0/servertests/st_commit.py
>> +++ b/nfs4.0/servertests/st_commit.py
>> @@ -160,4 +160,4 @@ def testCommitOverflow(t, env):
>>     res = c.write_file(fh, _text, 0, stateid, how=UNSTABLE4)
>>     check(res, msg="WRITE with how=UNSTABLE4")
>>     res = c.commit_file(fh, 0xfffffffffffffff0, 64)
>> -    check(res, NFS4ERR_INVAL, "COMMIT with offset + count overflow")
>> +    check(res, [NFS4_OK, NFS4ERR_INVAL], "COMMIT with offset + count
>> + overflow")
> 
> 

--
Chuck Lever







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