Re: [PATCH 10/17] CLNT: test resues slot ID

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On Thu, Mar 03, 2011 at 05:11:42PM +0800, Mi Jinlong wrote:
> 
> 
> J. Bruce Fields:
> > On Wed, Mar 02, 2011 at 02:33:09PM +0800, Mi Jinlong wrote:
> >> Signed-off-by: Mi Jinlong <mijinlong@xxxxxxxxxxxxxx>
> >> ---
> >>  nfs4.1/server41tests/st_sequence.py |   18 ++++++++++++++++++
> >>  1 files changed, 18 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/nfs4.1/server41tests/st_sequence.py b/nfs4.1/server41tests/st_sequence.py
> >> index 4ea5cab..391fc45 100644
> >> --- a/nfs4.1/server41tests/st_sequence.py
> >> +++ b/nfs4.1/server41tests/st_sequence.py
> >> @@ -363,3 +363,21 @@ def testBadSequenceidAtSlot(t, env):
> >>  
> >>      res = c.c.compound([op.sequence(sid, nfs4lib.dec_u32(seqid), 2, 3, True)])
> >>      check(res, NFS4ERR_SEQ_MISORDERED)
> >> +
> >> +def testReuseSlotID(t, env):
> >> +    """
> >> +
> >> +    FLAGS: sequence all
> >> +    CODE: SEQ14
> >> +    """
> > 
> > Missing description?
> 
>   Sorry! I will add it at next version.
> 
> > 
> >> +    c = env.c1.new_client(env.testname(t))
> >> +    # CREATE_SESSION
> >> +    sess1 = c.create_session()
> >> +
> >> +    sid = sess1.sessionid 
> >> +    res = c.c.compound([op.sequence(sid, 1, 2, 3, True), op.putrootfh()])
> >> +    check(res)
> >> +
> >> +    res = c.c.compound([op.sequence(sid, 1, 2, 3, True)])
> >> +    # should we also check the ERROR of NFS4ERR_SEQ_FALSE_RETRY ??
> > 
> > As I understand it, the server isn't required to recognize false
> > retries, so I don't think we can check for that.
> > 
> > The only useful thing to check for, I think, is just to send the same
> > request twice and make sure the requests match.
> > 
> > Actually, best would be to do this with a non-idempotent operation.  For
> > example, send SEQ+RENAME twice and make sure that both renames succeed.
> > (Whereas if the server reply cache is broken and the server attempts to
> > rename the file again, the second rename will fail with NOENT.)
> 
>   Yes, thanks for you advice.
>   I will send a new patch tomorrow.

OK, thanks.  The patches I didn't comment on look mostly fine to me;
I'll push them out to my git tree as I apply them.

--b.
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