Received: by 2002:a05:6a10:6d10:0:0:0:0 with SMTP id gq16csp609466pxb; Wed, 13 Apr 2022 08:41:09 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwy6+mWU9baUPDaUz6xbu65XoRrKp+PL8LRy+DKz9hSMosfgJFuEnJR/XYlGOnl0D+wd6Gs X-Received: by 2002:a17:902:e8cf:b0:156:36e0:6bcb with SMTP id v15-20020a170902e8cf00b0015636e06bcbmr41810113plg.105.1649864469090; Wed, 13 Apr 2022 08:41:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1649864469; cv=none; d=google.com; s=arc-20160816; b=kOqZTa7nv3ETQ1pGg/noMM016fbOz0Pqt05mNEeGt/rTnQRHTaFliE/Y37IoGA9po/ +aew9xRYHWc1jCyIZrZDDBmfg6ogQdSEcjGmG9pGE2m5QFz/+3u0PCYwv0smMrx2iKGp dAZQxzt7PZCnoJrYuWpcNxzv6888QMGETiXcGV82Z7kaLOmtsrayivptxqFMxw2FqXNB OayaYY+o05VR+EmZG6Mz+hg7Ml/oVayVXjrbsuSNw8t2Qo9TbXKw0Pz6xsdoKpvKy3Ty pZCh4D56nWaF+qxiMyaJSjl2m4/GW8BMRJazwh0QUiC/R8FbpsNxXWBflMkLHA49RiDD xCxA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=NhuvGZ+udJfD7m5SFW7O1wNizRDPun2eSavtWfBRpTk=; b=IL/fF6KA2dfDW/t+hyMvIbn14Vqir+F5sCWs1CrDXCfNBQt8Q22DyZZI3QwgSByQlH 1xcONbHOP1fDs1WSdg5dr8osbcg+5w5i/mqyjP5B32bvFDJs/4OMNo2t69fEmnQrkkif Ulb3GZyTS1haLzkSLvK1xBQKMb/aG0aTXdapv4qg/wpMRzVYDYVG8/PE43RYWrNBhpTZ 657ixfKAe19xPVLzY8/wYeipPEXU68WGOadrTc69n2BlGKYWofVq9ubP4Vs67BoJQJI2 ChGtXCTWqBtEPs4OEk/NmauFd57piSZJuUNnkHo0ilPc2uWyQcx6z4+uGubIcKXm/jvl aFEg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id f2-20020a655502000000b003816043ee4csi6142161pgr.65.2022.04.13.08.40.54; Wed, 13 Apr 2022 08:41:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235563AbiDMMlU (ORCPT + 99 others); Wed, 13 Apr 2022 08:41:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230223AbiDMMlR (ORCPT ); Wed, 13 Apr 2022 08:41:17 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80E4949FBC; Wed, 13 Apr 2022 05:38:55 -0700 (PDT) Received: from dggpemm500020.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Kdhsm2FKqzFpfj; Wed, 13 Apr 2022 20:36:28 +0800 (CST) Received: from dggpemm500017.china.huawei.com (7.185.36.178) by dggpemm500020.china.huawei.com (7.185.36.49) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 13 Apr 2022 20:38:53 +0800 Received: from huawei.com (10.175.101.6) by dggpemm500017.china.huawei.com (7.185.36.178) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 13 Apr 2022 20:38:52 +0800 From: Wenchao Hao To: Mike Christie , Lee Duncan , Chris Leech , "James E . J . Bottomley" , "Martin K . Petersen" , , , CC: , Wenchao Hao Subject: [PATCH 0/2] Fix multiple iscsi session unbind event sent to userspace Date: Wed, 13 Apr 2022 21:49:45 -0400 Message-ID: <20220414014947.4168447-1-haowenchao@huawei.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500017.china.huawei.com (7.185.36.178) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00,DATE_IN_FUTURE_12_24, RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kernel would send ISCSI_KEVENT_UNBIND_SESSION twice to userspace, for open-iscsi, this would trigger iscsi_stop twice. We should fix this issue. Here introduced a new session state ISCSI_SESSION_UNBOUND to address it. Once session state is ISCSI_KEVENT_UNBIND_SESSION, it means __iscsi_unbind_session() has been called for this session and do not need to execute any more. Reference:https://github.com/open-iscsi/open-iscsi/issues/338 Wenchao Hao (2): scsi: iscsi: introduce session UNBOUND state to avoid multiple unbind event iscsi: set session to FREE state after unbind session in remove session drivers/scsi/scsi_transport_iscsi.c | 45 +++++++++++++++++++++-------- include/scsi/scsi_transport_iscsi.h | 1 + 2 files changed, 34 insertions(+), 12 deletions(-) -- 2.32.0