From patchwork Tue Apr 12 22:19:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Smart X-Patchwork-Id: 560213 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 5777CC433FE for ; Tue, 12 Apr 2022 23:33:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231217AbiDLXgA (ORCPT ); Tue, 12 Apr 2022 19:36:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231317AbiDLXcs (ORCPT ); Tue, 12 Apr 2022 19:32:48 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A583EC5583 for ; Tue, 12 Apr 2022 15:20:19 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id o5so109462pjr.0 for ; Tue, 12 Apr 2022 15:20:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=p3O3Yg9ObbcLqJBxL/VTmcd4M2F94bn3TMXLTmoPRyI=; b=Bek+R6+RBmjurR9Biv8yvuvuvnciJLsfp98d6RGyxNM6K4xqVvI3v+339pDKfG1hey m4WbDObxY/blanRQaaAk7U0UQfmbp9ZEX6RqaADw9KdOVkOqb7Q4xoItbA1i5nwqytfM jnwNiLwfrqGdr1Asx5Mya4O9Xof8MFOIiKuBe9h5wBeMuaejv9eBkMz911+tr0PuFTaP EdBc1hM1+niNAIxMt4HEwPtH9UaqxPcdQCk1J3O61eypjAHbaCSzNt26/ILvQq6RqBrI ffmbBkEW2IkL8yPK7wh+G2qEnUChVi1xFsf2irQx3KoWITqxbqd55JiJVw520tBext43 QoEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=p3O3Yg9ObbcLqJBxL/VTmcd4M2F94bn3TMXLTmoPRyI=; b=qPAopFo8DqEshISA7VKdVI6uEoxedTGZTQq+7bqdnIysAEwD8SEGS0tyZ3+d/5oVmL 9W3+2A2781sa5I7TowafD8YKsefRfkNqWh4XkhTlpJQS114mlg8m53XGNryIGiAMwUM/ GrQeWKY05yIVO74Vth6wpC1hXv7PwHdjBHCnkpAQBldafyFJCse3xv2zoqi7lQc3khxu k7DgOc5bu/7504/+QBwvETPlqAtxSkFToCIypiHuNwguoEs+a36gf0v83Jt8l6qzyApF LuVTzAUnx9K6x5e3xFSBICGF5wXMPwEiUUq9P6/qPhBNc2+zjkBM5PAHzPGNL6P7asoE FYOQ== X-Gm-Message-State: AOAM5333q/nR8ju4V7nf3S/h+6kcXhnyI5iXDFO3AYqKvH+EcKyK1lpV LNNq3yhugcug37D5GmmjwKW8IWQhw+I= X-Google-Smtp-Source: ABdhPJwz/DDbXu1190ZpcNMrYxnZ63XGMbIE2vHJpqdbd+l7O1Ghr76lOIZVwRZaDJdHpvyhrfSQ6g== X-Received: by 2002:a17:902:ccc1:b0:156:6066:bd18 with SMTP id z1-20020a170902ccc100b001566066bd18mr39728230ple.28.1649802019135; Tue, 12 Apr 2022 15:20:19 -0700 (PDT) Received: from mail-lvn-it-01.broadcom.com ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id g15-20020a056a000b8f00b004fa9dbf27desm40429824pfj.55.2022.04.12.15.20.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Apr 2022 15:20:18 -0700 (PDT) From: James Smart To: linux-scsi@vger.kernel.org Cc: James Smart , Justin Tee Subject: [PATCH 05/26] lpfc: Requeue SCSI I/O to upper layer when fw reports link down Date: Tue, 12 Apr 2022 15:19:47 -0700 Message-Id: <20220412222008.126521-6-jsmart2021@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20220412222008.126521-1-jsmart2021@gmail.com> References: <20220412222008.126521-1-jsmart2021@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org During heavy I/O stress tests with 100+ vports and cable pulls, it may take a while before the vport logs back into the fabric to resume I/O. Currently, the driver immediately fails the I/O with DID_ERROR. Change behavior to return DID_REQUEUE, and rely on SCSI layer's max retry of 5 before erroring out the I/O. Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart --- drivers/scsi/lpfc/lpfc_scsi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index ba9dbb51b75f..ae340850d94f 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -4276,6 +4276,7 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, break; } if (lpfc_cmd->result == IOERR_INVALID_RPI || + lpfc_cmd->result == IOERR_LINK_DOWN || lpfc_cmd->result == IOERR_NO_RESOURCES || lpfc_cmd->result == IOERR_ABORT_REQUESTED || lpfc_cmd->result == IOERR_RPI_SUSPENDED ||