From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E5A47B3E1 for ; Wed, 17 Dec 2025 12:11:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765973468; cv=none; b=iujtM9YEDp1SRlPhMLmHs6tOi1PP8w4tdD8+JwLXw8MUtyignzt/odBF4gUaYZAjPupHm/95pRh0kFOUo5PKTaE+phkqlBkqDPpTaspsXTXNmTc0Vh9V3LFYWXlRdnbHVkk8ZBRt3xT/VrdehBLF0Ra3QjpEevEFs9VFm8zD7tw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765973468; c=relaxed/simple; bh=+44g5J9tYT683SKLVTNxg9YLgcAKwIHQ3kxdTFrjjfM=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=Zy5dfXqzEmCaE0IRh6c8W0x+PmRm3lFknoI2nQKnefE3064O/BsPEPjORTR40ic2N11h2ZMRpsTT3S+FBPKn5NeYWJ+3r/MYhQUMmGS8zU0zTSuXe6dDV4qsLmTR1bd+uC+h2+oQp07ZMzCbuimQIMs9dqI6LVpQFCZDmfmN+Zg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AaLfYuC9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AaLfYuC9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2E75C113D0; Wed, 17 Dec 2025 12:11:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765973466; bh=+44g5J9tYT683SKLVTNxg9YLgcAKwIHQ3kxdTFrjjfM=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=AaLfYuC9TpuTeozGHUdXentsHNZSMmFzoHlJN4MUDOrDuGS1MfysDdQ0k+A/BpIrM mx0CYuO/dH/gT0Yvj18vRG2DTeLR3n1F6p+lt8OwKfWVA11W1poG9rs6kmpNVgdbjD bEzsg+9+OV78toV4WXWCKngqmu/XtXqg88qg06QXPf2KOdG/lnhrQj3pCGE6stTrOZ DibdftVabqceKd35Dun5DyVXVF3qm5OAfm7ynIfZtfvIu8UyYI2oipXH7SncZVNlXB qgz7xZYhEj4+OJtM0nkcFGbVl2Ht1V8XAj0KFEOlH6olfCDHy8NBjbF3FCCYVwW54x pqPw0TYcrZ8Zw== Message-ID: <42d3e730e4f92669838b036e2ca902eeac93ef5a.camel@kernel.org> Subject: Re: [PATCH] pynfs: Fix bitmask check and handle NFS4ERR_DELAY in CB_GETATTR From: Jeff Layton To: Suhas Athani , calum.mackay@oracle.com Cc: linux-nfs@vger.kernel.org, sathani@redhat.com, Suhas Athani Date: Wed, 17 Dec 2025 07:11:04 -0500 In-Reply-To: <20251217100942.63158-1-sathani@redhat.com> References: <20251217100942.63158-1-sathani@redhat.com> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 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This patch fixes logic errors in the _testCbGetattr helper > function (used by DELEG24 and DELEG25). >=20 > Changes: > - Fix Open Arguments Mask: The test previously used > OPEN_ARGS_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS directly > as a mask. It is now correctly shifted (1 << Constant) to check > the capability bit properly. > - Handle NFS4ERR_DELAY: Added a retry loop for the GETATTR > operation. The test now retries instead of failing immediately. > - Fix Callback Verification: Updated the completion check to > verify cb.is_set() at the end of the test. Previously, the test > tracked completion via a variable captured before the retry loop, > which could lead to false failures if the callback arrived during > a retry. >=20 This all looks fine, but it's generally preferred to have one patch per issue. I'd suggest splitting this into 3 patches, since you're fixing 3 problems. > Signed-off-by: Suhas Athani > --- > nfs4.1/server41tests/st_delegation.py | 23 +++++++++++++++++++---- > 1 file changed, 19 insertions(+), 4 deletions(-) >=20 > diff --git a/nfs4.1/server41tests/st_delegation.py b/nfs4.1/server41tests= /st_delegation.py > index f27e852..ef8fc2a 100644 > --- a/nfs4.1/server41tests/st_delegation.py > +++ b/nfs4.1/server41tests/st_delegation.py > @@ -1,6 +1,7 @@ > from .st_create_session import create_session > from .st_open import open_claim4 > from xdrdef.nfs4_const import * > +import time > =20 > from .environment import check, fail, create_file, open_file, close_file= , do_getattrdict > from xdrdef.nfs4_type import * > @@ -315,7 +316,7 @@ def _testCbGetattr(t, env, change=3D0, size=3D0): > fail("FATTR4_OPEN_ARGUMENTS not supported") > =20 > if caps[FATTR4_SUPPORTED_ATTRS] & FATTR4_OPEN_ARGUMENTS: > - if caps[FATTR4_OPEN_ARGUMENTS].oa_share_access_want & OPEN_ARGS_= SHARE_ACCESS_WANT_DELEG_TIMESTAMPS: > + if caps[FATTR4_OPEN_ARGUMENTS].oa_share_access_want & (1< openmask |=3D 1< =20 > fh, deleg =3D __create_file_with_deleg(sess1, env.testname(t), openm= ask) > @@ -344,12 +345,26 @@ def _testCbGetattr(t, env, change=3D0, size=3D0): > 1< =20 > # wait for the CB_GETATTR > - completed =3D cb.wait(2) > + cb.wait(2) > res =3D sess2.listen(slot) > + > + # Handle NFS4ERR_DELAY - retry until we get NFS4_OK > + retry_count =3D 0 > + max_retries =3D 5 > + while res.status =3D=3D NFS4ERR_DELAY and retry_count < max_retries: > + time.sleep(0.1) > + res =3D sess2.compound([op.putfh(fh), op.getattr(1< + 1< + retry_count +=3D 1 > + > + if res.status =3D=3D NFS4ERR_DELAY: > + fail(f"GETATTR still returning DELAY after {max_retries} retries= ") > + > attrs2 =3D res.resarray[-1].obj_attributes > sess1.compound([op.putfh(fh), op.delegreturn(deleg.write.stateid)]) > - check(res, [NFS4_OK, NFS4ERR_DELAY]) > - if not completed: > + # Only expect NFS4_OK now since we handle DELAY > + check(res, [NFS4_OK]) > + if not cb.is_set(): > fail("CB_GETATTR not received") > return attrs1, attrs2 > =20 --=20 Jeff Layton