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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 023F9C43381 for ; Wed, 27 Mar 2019 08:51:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CF83A2075E for ; Wed, 27 Mar 2019 08:51:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726248AbfC0IvZ (ORCPT ); Wed, 27 Mar 2019 04:51:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42530 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725997AbfC0IvZ (ORCPT ); Wed, 27 Mar 2019 04:51:25 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 05171A82C; Wed, 27 Mar 2019 08:51:25 +0000 (UTC) Received: from localhost (ovpn-8-17.pek2.redhat.com [10.72.8.17]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1403D5D96F; Wed, 27 Mar 2019 08:51:21 +0000 (UTC) From: Ming Lei To: Jens Axboe Cc: linux-block@vger.kernel.org, Ming Lei Subject: [PATCH V2 0/2] blk-mq/nvme: cancel request synchronously Date: Wed, 27 Mar 2019 16:51:12 +0800 Message-Id: <20190327085114.12111-1-ming.lei@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 27 Mar 2019 08:51:25 +0000 (UTC) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi, This patchset introduces blk_mq_complete_request_sync() for canceling request synchronously in error handler context, then one race between completing request remotely and destroying contoller/queues can be fixed. V2: - export via EXPORT_SYMBOL_GPL - minor commit log change Ming Lei (2): blk-mq: introduce blk_mq_complete_request_sync() nvme: cancel request synchronously block/blk-mq.c | 20 ++++++++++++++++---- drivers/nvme/host/core.c | 2 +- include/linux/blk-mq.h | 1 + 3 files changed, 18 insertions(+), 5 deletions(-) -- 2.9.5