From patchwork Fri Dec 24 09:52:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 595455 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E66DFC19F29 for ; Wed, 3 Aug 2022 16:31:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238087AbiHCQb6 (ORCPT ); Wed, 3 Aug 2022 12:31:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238545AbiHCQaj (ORCPT ); Wed, 3 Aug 2022 12:30:39 -0400 Received: from mta-01.yadro.com (mta-02.yadro.com [89.207.88.252]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D22545079; Wed, 3 Aug 2022 09:30:06 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id EA42141373; Wed, 3 Aug 2022 16:30:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received:received; s= mta-01; t=1659544203; x=1661358604; bh=1bLe2bmEe6OtncXjy7yrZAf4g VDDxB/SLGnZp0Uh5Gw=; b=IXdS4qrfffxQKjPxMvScNC+RsHcvrXvR2/y4WZwo8 WQJMeyqnE6PJE+zUZTxtlO/eoBfJ93v2m7ERahFfu7JyHTxbVbPC/sk9ig4Jah09 3yFtbA50T7gK6pUwNuTMKMDBViJJAMl7pF1to9OhPnFBc0uTWF37FeDgnsiO5pjP uc= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hxvtP1K1Fjci; Wed, 3 Aug 2022 19:30:03 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id DA4A2412E3; Wed, 3 Aug 2022 19:29:23 +0300 (MSK) Received: from T-EXCH-08.corp.yadro.com (172.17.11.58) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Wed, 3 Aug 2022 19:29:23 +0300 Received: from NB-591.corp.yadro.com (10.199.18.20) by T-EXCH-08.corp.yadro.com (172.17.11.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1118.9; Wed, 3 Aug 2022 19:29:23 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: , , Dmitry Bogdanov Subject: [RFC PATCH 40/48] target: cluster: sync PR for dynamic acls Date: Fri, 24 Dec 2021 12:52:06 +0300 Message-ID: <20220803162857.27770-41-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220803162857.27770-1-d.bogdanov@yadro.com> References: <20220803162857.27770-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.18.20] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-08.corp.yadro.com (172.17.11.58) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Dynamic acls are not present in remote target, so use NULL for nacl pointer for such registrants. Signed-off-by: Dmitry Bogdanov --- drivers/target/target_cluster_dlm.c | 10 ++++++++++ drivers/target/target_core_pr.c | 17 +++++++++++------ 2 files changed, 21 insertions(+), 6 deletions(-) diff --git a/drivers/target/target_cluster_dlm.c b/drivers/target/target_cluster_dlm.c index 6b7cb3175e3a..6dbe1a0b21e2 100644 --- a/drivers/target/target_cluster_dlm.c +++ b/drivers/target/target_cluster_dlm.c @@ -466,6 +466,16 @@ target_create_pr_reg(struct se_device *dev, spin_unlock(&lun->lun_deve_lock); goto out; } + /* deve not found - that is a dynamic acl */ + pr_reg = __core_scsi3_do_alloc_registration( + dev, NULL, initiatorname, lun->unpacked_lun, + pr_reg_data->rtpi, + NULL, lun->unpacked_lun, + isid, + pr_reg_data->key, + pr_reg_data->is_all_tg_pt, + pr_data->pr_aptpl); + percpu_ref_put(&lun->lun_ref); spin_unlock(&lun->lun_deve_lock); spin_lock(&dev->se_port_lock); diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index fe2f64826e9e..22f2aa91cf2e 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -644,10 +644,13 @@ struct t10_pr_registration *__core_scsi3_do_alloc_registration( * * Otherwise, locate se_dev_entry now and obtain a reference until * registration completes in __core_scsi3_add_registration(). + * + * NULL nacl means that this registration is for dynamic acl on a remote + * target - no need to find a deve. */ if (dest_deve) { pr_reg->pr_reg_deve = dest_deve; - } else { + } else if (nacl) { rcu_read_lock(); pr_reg->pr_reg_deve = target_nacl_find_deve(nacl, mapped_lun); if (!pr_reg->pr_reg_deve) { @@ -1270,11 +1273,13 @@ void __core_scsi3_free_registration( cpu_relax(); } - rcu_read_lock(); - deve = target_nacl_find_deve(nacl, pr_reg->pr_res_mapped_lun); - if (deve) - clear_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags); - rcu_read_unlock(); + if (nacl) { + rcu_read_lock(); + deve = target_nacl_find_deve(nacl, pr_reg->pr_res_mapped_lun); + if (deve) + clear_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags); + rcu_read_unlock(); + } spin_lock(&pr_tmpl->registration_lock); pr_debug("SPC-3 PR Service Action: UNREGISTER Initiator Node: %s%s\n",