From nobody Tue Nov 26 10:38:17 2024 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 2A202204F7E; Fri, 18 Oct 2024 18:45:21 +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=1729277121; cv=none; b=OMUccTBLOLlU93QHnzhBfySR43DQoXnUojvngyvTr9welquZTac4XkTPTw6JETiwfFDZhda1iMtuKQcgzgcDCe7gnmmO92Sm2LSRGXdhzPKWk6Z1efateZ4Bl4//oqMFzmFThU/3KCdcZUZu02Th0yrdBVGaO0Sw5d4C00M36Xs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729277121; c=relaxed/simple; bh=nqOHeFQ2YRLvNuQnzNCeXfKbiKvT2jPMl5MlLaketm0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=DECpvfBU3W4De5MY2z57WJ29mwvC52sfy1NRq7URMhDhzRGWEo0iRE/WNIrrGBPokK2j1RqWGYvQGXb4awl/yEAAqaxmvCa6kOPfDJjajc1B0hRNE9W4BbnfFVhlc1hv2RG2I3cb8kV4Hls+zggziTAajm3wvFbIhuITlYgw9Hg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cdt0v5Wu; 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="cdt0v5Wu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F85CC4CEC5; Fri, 18 Oct 2024 18:45:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729277121; bh=nqOHeFQ2YRLvNuQnzNCeXfKbiKvT2jPMl5MlLaketm0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=cdt0v5WuBZwbM92TN4NWGoiptAy941Qrkvr4/PzlCaRsWq17hZTvsRcfT7otJcOTI 940mdN0t8gTB/Wb+5auw8vGE3V9AG0YsTkSyoQaH4vC787/eQrsMXLYOvYLAkKWOZj e5DGEMDwaiXxbbYlq1mLRIIrw/tEMtR1d7GMAxQrxAq1D+lCHX6G0NKuKXVRAaKg5p iDQkNL/MnRoTkINb33edzo+mayws4k0bdLooirSjVDY/vKNnh7Sck18xe4ym9Qts6m EnMNV0qU4SUgmlv8Cx9DWEE+IOFFVUDu3Sjux1kjkbklOH0Ad3P3aSn6TbBFTsOnzR ThcCfu7qTqNiw== From: Jeff Layton Date: Fri, 18 Oct 2024 14:45:00 -0400 Subject: [PATCH 2/3] nfsd: allow SETATTR to provide a READ deleg for updating time_access Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241018-delstid-v1-2-c6021b75ff3e@kernel.org> References: <20241018-delstid-v1-0-c6021b75ff3e@kernel.org> In-Reply-To: <20241018-delstid-v1-0-c6021b75ff3e@kernel.org> To: Chuck Lever , Neil Brown , Olga Kornievskaia , Dai Ngo , Tom Talpey Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, Jeff Layton X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1799; i=jlayton@kernel.org; h=from:subject:message-id; bh=nqOHeFQ2YRLvNuQnzNCeXfKbiKvT2jPMl5MlLaketm0=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBnEqy9XQrUlXxAyr+TMhXGfnZmk/eZ9unJoB+zv dVgMg5f8NOJAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZxKsvQAKCRAADmhBGVaC FfJGEACqSZFgGLtViE3R9zqaof9Q4EK+c4YwOks0iZUs0cIysdS2sF/4jjuvY/YMoGtCjrsugIP 6WN2J1+eEYhDckZ9tg87m1qhPgvzDRrKHXk4g8VFqUtCJw4LtkiqbNQaxAAs9b9IEwRosR13LHG lpioUIvh/eqey6LCS/dP1LiRBdH6227N95tM6mrKHgyB9U8BOpAr50lBq5VTy9MWIHuQLu5oaCO OF7ufFi6+Cg+Cy0aIHk22xyzWf8Rp4jHZKfg5O/5yXFgJ/HRk4xhNjSPuIX9LB285zPx7KYoGFB T5Qjut+jUGVYa2Buc45ymKq9eS+M9K/C12wL5jc524YVwZKo33opKucABdSgaazD8FFeA/utL9H NrnrQmMFhRoppNFqO7gTgAw2kAz39BffUOoNa6PtVkTRfbI6odk+VZhDjs4ty8XXv6MSVl8PkRY M6j81YQGxE8lU7ZDfwNcynGMQpIChxC7FpuEHPicSeDqNJLsbsRRP1+N3zzlCQZHp6JxBVtwfi9 NNF6yUAgGkSd7NErWHBOHaHuA9GpdgaOVqTr4BJNROaurZc0wbfFRNx5cyXarG9loLAClcYSPJG nIxTfAdKwzQhbZX1AcNpC/cotk/UHmrX3XcODHeImEUyKGYKj+Rjlik27LitrpQqtDx9B0eH9UE pNsoRGGHqjAhU6g== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Currently, we request a WR_STATE stateid for all SETATTR requests. If TIME_DELEG_ACCESS bit is set, set the RD_STATE bit in the mask as well so that we can use either sort of stateid. Also fix nfs4_check_delegmode to check for the absence of RD_STATE instead of the presence of the WR_STATE when testing for a read delegation. Signed-off-by: Jeff Layton --- fs/nfsd/nfs4proc.c | 7 ++++++- fs/nfsd/nfs4state.c | 2 +- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 320c4f79662e65848dc824885566d48e696fe97c..f843b56b7b2056cbb69669e50c9= ca9797cb91f0f 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1143,9 +1143,14 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_c= ompound_state *cstate, FATTR4_WORD2_TIME_DELEG_MODIFY); =20 if (deleg_attrs || (setattr->sa_iattr.ia_valid & ATTR_SIZE)) { + int flags =3D WR_STATE; + + if (setattr->sa_bmval[2] & FATTR4_WORD2_TIME_DELEG_ACCESS) + flags |=3D RD_STATE; + status =3D nfs4_preprocess_stateid_op(rqstp, cstate, &cstate->current_fh, &setattr->sa_stateid, - WR_STATE, NULL, &st); + flags, NULL, &st); if (status) return status; } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 7905ab9d8bc6820dbb7ecb6f29c1e14b036e0de5..4ec58aab10410471bab25b3780f= acad4d77441e7 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -5444,7 +5444,7 @@ nfsd4_process_open1(struct nfsd4_compound_state *csta= te, static inline __be32 nfs4_check_delegmode(struct nfs4_delegation *dp, int flags) { - if ((flags & WR_STATE) && deleg_is_read(dp->dl_type)) + if (!(flags & RD_STATE) && deleg_is_read(dp->dl_type)) return nfserr_openmode; else return nfs_ok; --=20 2.47.0