From patchwork Wed Oct 5 03:22:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12998880 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 1F3B5C4332F for ; Wed, 5 Oct 2022 03:26:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229917AbiJED0l (ORCPT ); Tue, 4 Oct 2022 23:26:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58266 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229550AbiJED0C (ORCPT ); Tue, 4 Oct 2022 23:26:02 -0400 Received: from NAM02-DM3-obe.outbound.protection.outlook.com (mail-dm3nam02on2062a.outbound.protection.outlook.com [IPv6:2a01:111:f400:7e83::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3DBB12D06; Tue, 4 Oct 2022 20:25:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TPiqAZkAETcCrLJS+EYFp6t+y6gHMYPRg5Ql/Chv2fhgfCrEuFaFT59ZpvKk0KAX9FvLHZbd+bdCz1U+uo0z1MvG5q967SOEgoxpnHEXu3Zp0vCf0VsP3ZcI6prOaGtF7y9fbWlAD0QbqgCTLMrm+0xz6/L8laeNffOgIWlknlpdx+eWvvsUmpYuYyNCga5GXa4BLZzWrGxzNL77pnG45A16bX2yxfFDp/SZAWIXUqXyT7bdwCXTWgms8+rInFlpUfm7Qfts/fNCYu1rF4iigRuHbXb7S21aoNAyGW8BaGXQK8out7jD0XwVKmQFeIG8zPv+LML7eawSfnvhBB57xA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=IIaJtCmyBtmwNvlfCfTaROuISj3wP2X90OGXdFQZG1s=; b=c8Z18CAdRVXB9IaWMD1lK100+6/W12Dr1jhyGiSWOUf5RM9dc29b1YAq6m1+R7x+FflOmE7NTa1uG0ZKlRJf8EqHu17A/8VhjlRjowXIcacVhGY4lLdnQsnvLHN0N8/G3Jdo8vLxVGxASH2o0P/5hYXmUqYF5gXrdwZmjguWEoTc+bUCQBOoqDr0A3f9WhqWzHNUSL+7M23sX6Gy7HHZ+4DKZdYhyGwYrgft+dMMcIkSeoHWLvhGDRMHKPPuIYh8xu0q3Eg5y9Dmw8aT+mTYYiBQochDNdZGQGBgbwyIaeaL7NJqoFru3R4CbSTlXqaY1z16gh9v4VBka3/e/3wgtw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=IIaJtCmyBtmwNvlfCfTaROuISj3wP2X90OGXdFQZG1s=; b=IRHoSE6o4UX4VfbaZlGmjrcRVVCmghJqX408MMBzfknQwh89EVQGRE9gf5PZVavNij6pfR6793L0NG+pWzvWsWOEpgsAUhq9Y5WtwNDW7BUEHscf6OU76suDq5ScpOIEZ7hEp+rb45pVmDheSVs+uvJRQjQXyu1Q09MMZ7Xb8bJBzK0T9MIwj6AgptnMqCYoSyP6DF6PZ/CTI+1/cti/Rv1u8Zr0tDzKigG4+gJIXVsyWFexhYm5ROePf2EEZgQ1rrxm6QycgFS4UEmwTPloV/KGjWRgUZl9QnOx/qfxmGdO8sO6biqVaa02xqRn1FwsCqHgB/8yVaxnFctdAddnYw== Received: from BN1PR10CA0011.namprd10.prod.outlook.com (2603:10b6:408:e0::16) by MN2PR12MB4360.namprd12.prod.outlook.com (2603:10b6:208:266::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5676.28; Wed, 5 Oct 2022 03:24:59 +0000 Received: from BN8NAM11FT107.eop-nam11.prod.protection.outlook.com (2603:10b6:408:e0:cafe::57) by BN1PR10CA0011.outlook.office365.com (2603:10b6:408:e0::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5676.26 via Frontend Transport; Wed, 5 Oct 2022 03:24:59 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by BN8NAM11FT107.mail.protection.outlook.com (10.13.176.149) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5709.10 via Frontend Transport; Wed, 5 Oct 2022 03:24:59 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.26; Tue, 4 Oct 2022 20:24:58 -0700 Received: from dev.nvidia.com (10.126.231.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Tue, 4 Oct 2022 20:24:55 -0700 From: Chaitanya Kulkarni To: , , , , , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [RFC PATCH 08/21] scsi: use lib tagset init helper Date: Tue, 4 Oct 2022 20:22:44 -0700 Message-ID: <20221005032257.80681-9-kch@nvidia.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20221005032257.80681-1-kch@nvidia.com> References: <20221005032257.80681-1-kch@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT107:EE_|MN2PR12MB4360:EE_ X-MS-Office365-Filtering-Correlation-Id: 2abf6aa3-a07f-4b92-c659-08daa6812ef5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230022)(4636009)(376002)(39860400002)(136003)(346002)(396003)(451199015)(40470700004)(46966006)(36840700001)(16526019)(36756003)(47076005)(7636003)(921005)(36860700001)(7696005)(82740400003)(356005)(26005)(336012)(2906002)(82310400005)(110136005)(7406005)(7416002)(70206006)(83380400001)(8676002)(70586007)(5660300002)(7366002)(8936002)(426003)(4326008)(40480700001)(186003)(41300700001)(2616005)(1076003)(6666004)(478600001)(40460700003)(316002)(54906003)(21314003)(83996005)(2101003);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Oct 2022 03:24:59.3635 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2abf6aa3-a07f-4b92-c659-08daa6812ef5 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT107.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4360 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Use the block layer helper to initialize the common fields of tag_set such as blk_mq_ops, number of h/w queues, queue depth, command size, numa_node, timeout, BLK_MQ_F_XXX flags, driver data. This initialization is spread all over the block drivers. This avoids the code repetation of the inialization code of the tag set in current block drivers and any future ones. Signed-off-by: Chaitanya Kulkarni --- drivers/scsi/scsi_lib.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index d7ec4ab2b111..121f292ba0d8 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1955,6 +1955,8 @@ int scsi_mq_setup_tags(struct Scsi_Host *shost) { unsigned int cmd_size, sgl_size; struct blk_mq_tag_set *tag_set = &shost->tag_set; + unsigned int flags = BLK_MQ_F_SHOULD_MERGE | + BLK_ALLOC_POLICY_TO_MQ_FLAG(shost->hostt->tag_alloc_policy); sgl_size = max_t(unsigned int, sizeof(struct scatterlist), scsi_mq_inline_sgl_size(shost)); @@ -1964,19 +1966,14 @@ int scsi_mq_setup_tags(struct Scsi_Host *shost) sizeof(struct scatterlist) * SCSI_INLINE_PROT_SG_CNT; memset(tag_set, 0, sizeof(*tag_set)); + blk_mq_init_tag_set(tag_set, NULL, shost->nr_hw_queues ? : 1, + shost->can_queue, cmd_size, dev_to_node(shost->dma_dev), + 0, flags, shost); if (shost->hostt->commit_rqs) tag_set->ops = &scsi_mq_ops; else tag_set->ops = &scsi_mq_ops_no_commit; - tag_set->nr_hw_queues = shost->nr_hw_queues ? : 1; tag_set->nr_maps = shost->nr_maps ? : 1; - tag_set->queue_depth = shost->can_queue; - tag_set->cmd_size = cmd_size; - tag_set->numa_node = dev_to_node(shost->dma_dev); - tag_set->flags = BLK_MQ_F_SHOULD_MERGE; - tag_set->flags |= - BLK_ALLOC_POLICY_TO_MQ_FLAG(shost->hostt->tag_alloc_policy); - tag_set->driver_data = shost; if (shost->host_tagset) tag_set->flags |= BLK_MQ_F_TAG_HCTX_SHARED;