From patchwork Fri May 19 21:53:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Madhani, Himanshu" X-Patchwork-Id: 9738295 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7BD816020B for ; Fri, 19 May 2017 22:30:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7DF87283B0 for ; Fri, 19 May 2017 22:30:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 72D5A28593; Fri, 19 May 2017 22:30:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F12BA283B0 for ; Fri, 19 May 2017 22:30:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756806AbdESWa3 (ORCPT ); Fri, 19 May 2017 18:30:29 -0400 Received: from mail-by2nam01on0080.outbound.protection.outlook.com ([104.47.34.80]:6868 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753205AbdESWa1 (ORCPT ); Fri, 19 May 2017 18:30:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=maIEYKDz6AsLF+7MPNpvyIC1yQNwBE6/OeLfr7gxbXE=; b=mhTPf9TgnjR7n5yBXpf/97BQhoejFjd6gZYlYVt/VCnu4CKlnKEhiXZWr1W4v1JPx7fzQfu937qKQYRqutUVn2EG2Zce/s3yVdJkvqT/KC7rAYyaXfrnzA3bsT3tftCabYCT3xXJBtkxmnYvFtUjv8zMGmXbys+UBWuRKXAZR50= Received: from SN1PR07CA0006.namprd07.prod.outlook.com (10.162.170.144) by BLUPR0701MB1009.namprd07.prod.outlook.com (10.160.34.19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1101.14; Fri, 19 May 2017 22:30:25 +0000 Received: from BY2FFO11FD041.protection.gbl (2a01:111:f400:7c0c::103) by SN1PR07CA0006.outlook.office365.com (2a01:111:e400:3000::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1101.14 via Frontend Transport; Fri, 19 May 2017 22:30:25 +0000 Authentication-Results: spf=none (sender IP is 50.232.66.26) smtp.mailfrom=cavium.com; oracle.com; dkim=none (message not signed) header.d=none; oracle.com; dmarc=none action=none header.from=cavium.com; Received-SPF: None (protection.outlook.com: cavium.com does not designate permitted sender hosts) Received: from CAEXCH02.caveonetworks.com (50.232.66.26) by BY2FFO11FD041.mail.protection.outlook.com (10.1.14.226) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA_P384) id 15.1.1075.5 via Frontend Transport; Fri, 19 May 2017 22:30:24 +0000 Received: from dut1171.mv.qlogic.com (172.29.51.171) by CAEXCH02.caveonetworks.com (10.17.4.29) with Microsoft SMTP Server id 14.2.347.0; Fri, 19 May 2017 15:30:22 -0700 Received: from dut1171.mv.qlogic.com (localhost [127.0.0.1]) by dut1171.mv.qlogic.com (8.14.7/8.14.7) with ESMTP id v4JLrsPZ002308; Fri, 19 May 2017 14:53:54 -0700 Received: (from root@localhost) by dut1171.mv.qlogic.com (8.14.7/8.14.7/Submit) id v4JLrst7002307; Fri, 19 May 2017 14:53:54 -0700 From: Himanshu Madhani To: , CC: , Subject: [PATCH 23/25] qla2xxx: Remove unused irq_cmd_count field. 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Ip=[50.232.66.26]; Helo=[CAEXCH02.caveonetworks.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLUPR0701MB1009 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Quinn Tran When driver is unloaded, all sessions are torn down, all commmands are flushed, chip is reset to ensure there is no knowledge of target mode in ISP. The irq_cmd_count field was used to make sure all commands are processed on top of that. The irq_cmd_count is now redundant and not needed. Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani --- drivers/scsi/qla2xxx/qla_target.c | 9 +-------- drivers/scsi/qla2xxx/qla_target.h | 1 - 2 files changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 5a8ed73e6ef2..95aad9c329d7 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -5326,8 +5326,6 @@ static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt) * Otherwise, some commands can stuck. */ - tgt->irq_cmd_count++; - switch (pkt->entry_type) { case CTIO_CRC2: case CTIO_TYPE7: @@ -5353,10 +5351,8 @@ static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt) } rc = qlt_chk_qfull_thresh_hold(vha, atio, true); - if (rc != 0) { - tgt->irq_cmd_count--; + if (rc != 0) return; - } rc = qlt_handle_cmd_for_atio(vha, atio); if (unlikely(rc != 0)) { @@ -5488,7 +5484,6 @@ static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt) break; } - tgt->irq_cmd_count--; } /* @@ -5518,7 +5513,6 @@ void qlt_async_event(uint16_t code, struct scsi_qla_host *vha, * Otherwise, some commands can stuck. */ - tgt->irq_cmd_count++; switch (code) { case MBA_RESET: /* Reset */ @@ -5606,7 +5600,6 @@ void qlt_async_event(uint16_t code, struct scsi_qla_host *vha, break; } - tgt->irq_cmd_count--; } static fc_port_t *qlt_get_port_database(struct scsi_qla_host *vha, diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index de6b8c3a863e..6ce720f9f890 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -790,7 +790,6 @@ struct qla_tgt { * because req_pkt() can drop/reaquire HW lock inside. Protected by * HW lock. */ - int irq_cmd_count; int atio_irq_cmd_count; int datasegs_per_cmd, datasegs_per_cont, sg_tablesize;