From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFDC1C433B4 for ; Fri, 16 Apr 2021 22:06:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C136D61107 for ; Fri, 16 Apr 2021 22:06:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236300AbhDPWHF (ORCPT ); Fri, 16 Apr 2021 18:07:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235608AbhDPWHF (ORCPT ); Fri, 16 Apr 2021 18:07:05 -0400 Received: from mail-qv1-xf2a.google.com (mail-qv1-xf2a.google.com [IPv6:2607:f8b0:4864:20::f2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 112E0C061574 for ; Fri, 16 Apr 2021 15:06:40 -0700 (PDT) Received: by mail-qv1-xf2a.google.com with SMTP id h3so13436990qve.13 for ; Fri, 16 Apr 2021 15:06:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id; bh=5dEer/ScS348Ta3IIzvxNKGHxZsJi4C+9EcorIShKM0=; b=nyFa7IvXiqDvwly2bpZMkafgCMzcO32+N4BPhbsIuWm9ruCVSzlZWLROZnwWET4CAL ECZomGiSlac6NPG9+dZucLHZ980vSMullN1NqF9C4HXaa/3Sg0NSIH9n/NT2tDDwuseF v3EIYfE5Ne86/kHWlxcHWI24lsRvLdmcdkE5ywmAW2mG2UT5KMjux3LEWiwKnSKzaprr wr1pmcuZXHC79eSqMZQrw9E3dRRrbkejs8004DchF8Rgbv2JtGekpl7iaXyxfVm8mAhs ThZ1bvahDFG3FMtOw7V+4WOZ4bDZGCVJbanhnJqGvrHBPqTmcleOEtc4Aom+LAZeonFF tKmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id; bh=5dEer/ScS348Ta3IIzvxNKGHxZsJi4C+9EcorIShKM0=; b=Y+Lcf6u0sfa8wkkH+G6PuivPfmR6CuJpY0ei5S1Y6zgTyx49mdKYM7Uzbbr0Jru/lE tJ4+Efszpy4QqDjjM8qgqArorN2vp7ooGPiSgEwdHeaSnQ1g3/rObrY8R7SoAUWdSte0 j5ma2QVDqOl5qlgigdL81CsU8rzHzP9bqk6Pqs/VopmJ1raEGr/jdeaZxrVc7+1jd0/a Pj1cogwHEcnQ+scuB1Fqbj7Y2AHPp2urtvNPiYR21ROIl4cPAASzc+kON0P1mOWftq8Z ulutpO1FeBN/YZozxFhAKwlq80/8JKN7muQ/dEJnKQMEKOhVIpHLLLqMEb9VKjC9/igh W7bA== X-Gm-Message-State: AOAM533+kCTBAuLWIR0OiIaxFr69y63MmjEbdIsYNqAsVF+H7EIMU9OY mqX0yPx/KE15Tu+6l/hFHy8= X-Google-Smtp-Source: ABdhPJwAD0B61FY0UKoYI7aZDzQ/jj3rFrz2wC2REHwr118+lfy9HJi6828NPN0YBM+uyBKehKvZAQ== X-Received: by 2002:a0c:e286:: with SMTP id r6mr10668696qvl.26.1618610799177; Fri, 16 Apr 2021 15:06:39 -0700 (PDT) Received: from localhost (pool-68-160-176-52.bstnma.fios.verizon.net. [68.160.176.52]) by smtp.gmail.com with ESMTPSA id c27sm5098619qko.71.2021.04.16.15.06.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Apr 2021 15:06:38 -0700 (PDT) Sender: Mike Snitzer From: Mike Snitzer To: Christoph Hellwig , Jens Axboe Cc: dm-devel@redhat.com, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Subject: [PATCH v3 0/4] nvme: improve error handling and ana_state to work well with dm-multipath Date: Fri, 16 Apr 2021 18:06:33 -0400 Message-Id: <20210416220637.41111-1-snitzer@redhat.com> X-Mailer: git-send-email 2.15.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi, This patchset reflects changes needed to make NVMe error handling and ANA state updates work well with dm-multipath (which always sets REQ_FAILFAST_TRANSPORT). RHEL8 has been carrying an older ~5.9 based version of this patchset (since RHEL8.3, August 2020). RHEL9 is coming, would really prefer that these changes land upstream rather than carry them within RHEL. All review/feedback welcome. Thanks, Mike v2 -> v3: - Added Reviewed-by tags to BLK_STS_DO_NOT_RETRY patch. - Eliminated __nvme_end_req() and added code comment to nvme_failup_req() in FAILUP handling patch. Chao Leng (1): nvme: allow local retry for requests with REQ_FAILFAST_TRANSPORT set Mike Snitzer (3): nvme: return BLK_STS_DO_NOT_RETRY if the DNR bit is set nvme: introduce FAILUP handling for REQ_FAILFAST_TRANSPORT nvme: decouple basic ANA log page re-read support from native multipathing drivers/nvme/host/core.c | 42 +++++++++++++++++++++++++++++++++++++++--- drivers/nvme/host/multipath.c | 16 +++++++++++----- drivers/nvme/host/nvme.h | 4 ++++ include/linux/blk_types.h | 8 ++++++++ 4 files changed, 62 insertions(+), 8 deletions(-) -- 2.15.0