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=-3.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 8BA1DC433E7 for ; Fri, 16 Oct 2020 14:28:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 24AC020874 for ; Fri, 16 Oct 2020 14:28:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="T52IIiM+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408815AbgJPO2f (ORCPT ); Fri, 16 Oct 2020 10:28:35 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:22644 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2408814AbgJPO2f (ORCPT ); Fri, 16 Oct 2020 10:28:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1602858514; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=3TIf5iCrDa1crF7arOWYxShLok0bW/SJkG7vvFcFY0k=; b=T52IIiM+W7MvRLDitGEb/n6xIaI57mEv6eVE2GhISJDxsdXpr9/WgtNc08+SVGUSPV7FoD D4pqGzcz6Mc2qFF2jwZF+2T2elSM5561yxQ6FHh+rKfYeamttFjq2ccSnTDnaUiE9XhAQd M8m+nO8JD/Fj5kCGMjlo2zLqQt8qk5c= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-410-GqhWd3abMpCw8nx2SKehaA-1; Fri, 16 Oct 2020 10:28:30 -0400 X-MC-Unique: GqhWd3abMpCw8nx2SKehaA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5C98E57083; Fri, 16 Oct 2020 14:28:28 +0000 (UTC) Received: from localhost (ovpn-12-93.pek2.redhat.com [10.72.12.93]) by smtp.corp.redhat.com (Postfix) with ESMTP id 97C481974D; Fri, 16 Oct 2020 14:28:21 +0000 (UTC) From: Ming Lei To: Jens Axboe , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Christoph Hellwig , Keith Busch Cc: Ming Lei , Chao Leng , Sagi Grimberg , Yi Zhang Subject: [PATCH 0/4] blk-mq/nvme-tcp: fix timed out related races Date: Fri, 16 Oct 2020 22:28:07 +0800 Message-Id: <20201016142811.1262214-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi, The 1st 2 patches fixes request completion related races. The 2nd 3 patches fixes/improves nvme-tcp error recovery. With the 4 patches, nvme/012 can pass on nvme-tcp in Zhang Yi's test machine. Ming Lei (4): blk-mq: check rq->state explicitly in blk_mq_tagset_count_completed_rqs blk-mq: think request as completed if it isn't IN_FLIGHT. nvme: tcp: fix race between timeout and normal completion nvme: tcp: complete non-IO requests atomically block/blk-flush.c | 2 ++ block/blk-mq-tag.c | 2 +- drivers/nvme/host/tcp.c | 76 +++++++++++++++++++++++++++++------------ include/linux/blk-mq.h | 8 ++++- 4 files changed, 65 insertions(+), 23 deletions(-) CC: Chao Leng Cc: Sagi Grimberg Cc: Yi Zhang -- 2.25.2