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[2620:137:e000::3:1]) by mx.google.com with ESMTPS id w23-20020a639357000000b00563e6fd0bf6si175717pgm.792.2023.09.13.16.38.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Sep 2023 16:38:39 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) client-ip=2620:137:e000::3:1; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2023-03-30 header.b=i2qn9Apd; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id 44F6282A4A3C; Wed, 13 Sep 2023 16:38:37 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233129AbjIMXif (ORCPT + 99 others); Wed, 13 Sep 2023 19:38:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47734 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229894AbjIMXif (ORCPT ); Wed, 13 Sep 2023 19:38:35 -0400 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C009CE4 for ; Wed, 13 Sep 2023 16:38:31 -0700 (PDT) Received: from pps.filterd (m0246632.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38DGH7C1000876; Wed, 13 Sep 2023 23:38:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id; s=corp-2023-03-30; bh=SiDxLTs2XkJ3p6Zi3zIJwusHawVflElK+dEaUi8I4Ss=; b=i2qn9ApdvQ/PLJ2LJxTDBP3cVVSO2vmhJOXn8F9cRYs4/FBQfMKmsVL3B36+ITZDPXG0 U/k98IEFfU2nBd7WvXPU/23mgICY0oivZ3RL3T17MsLS2IUPycWQ2dt858ZW1rzB0AH8 bRC7rsXill3MNUQtu60gipMk2FcTZ+MQMu26oX8dyOSAPFqHraLis15HNP/b7jarL0eY e8wcXjB4O2rDJj85qvu/jbV8yeEkebhCdCk9g9RQspkqLOTwn7rFfDtACjqYVMnkYMpp ty1CvYoJszv7UZTCMcYQCqe/f1HtUasVDt7maTnXZTSbStlbgDBH3QLhxp89gVQxZagP gg== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3t2y7hbg8n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Sep 2023 23:38:27 +0000 Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 38DNEZUW007564; Wed, 13 Sep 2023 23:38:26 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3t0f57xtef-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Sep 2023 23:38:26 +0000 Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 38DNcQk2004827; Wed, 13 Sep 2023 23:38:26 GMT Received: from ca-common-hq.us.oracle.com (ca-common-hq.us.oracle.com [10.211.9.209]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3t0f57xte9-1; Wed, 13 Sep 2023 23:38:26 +0000 From: Dai Ngo To: chuck.lever@oracle.com, jlayton@kernel.org Cc: linux-nfs@vger.kernel.org Subject: [PATCH v2 0/2] NFSD: use CB_GETATTR to handle GETATTR conflict with write delegation Date: Wed, 13 Sep 2023 16:38:19 -0700 Message-Id: <1694648301-26746-1-git-send-email-dai.ngo@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-13_18,2023-09-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 suspectscore=0 spamscore=0 mlxscore=0 mlxlogscore=933 adultscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309130195 X-Proofpoint-ORIG-GUID: RahC5JrTW8xmnWl0YVBaMUJ3GJ2Ygmoj X-Proofpoint-GUID: RahC5JrTW8xmnWl0YVBaMUJ3GJ2Ygmoj Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Wed, 13 Sep 2023 16:38:37 -0700 (PDT) X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Currently GETATTR conflict with a write delegation is handled by recalling the delegation before replying to the GETATTR. This patch series add supports for CB_GETATTR callback to get the latest change_info and size information of the file from the client that holds the delegation to reply to the GETATTR from the second client. v2: . fix kernel test robot report of missing function parameter description of nfsd4_deleg_getattr_conflict()