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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT 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 2E2E2C32771 for ; Thu, 16 Jan 2020 02:37:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EE65E2084D for ; Thu, 16 Jan 2020 02:37:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="dh8HrAEd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729342AbgAPCh4 (ORCPT ); Wed, 15 Jan 2020 21:37:56 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:48296 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729190AbgAPCh4 (ORCPT ); Wed, 15 Jan 2020 21:37:56 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 00G2X7qR053960; Thu, 16 Jan 2020 02:37:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id; s=corp-2019-08-05; bh=cJepd6v+kl5qHCKEO45UOzAzvpDaxTiztFRQXj/u8kI=; b=dh8HrAEdbZW6kjXg80LSIt/t94zPF2iwgAvUUSNgNS7dVjwMzaBUBqm3SUNrC5hFfR4+ c/xxMldk6Nf+m6471V+L8YEc12g3R8UOsMtLq/K4y1gWhAA4mC5pUaPSFggSz7jkqhs+ EBUIqFazRy2tx/ivevZYN6YKN9WjCGn0sqyvP9Okrs2QPyRP6I7/zpBbK/r9u154YgN2 7zuWSWV0iLzhecFNV5+utsyh8GENdhpnRsYd1WK1DWl3jTkU6hRxP1+rS/P3/t6QOote 5jJAx5xByuzIgv4QzzSZVVI9cgmznA9swmkse1TYd3xaOjUkpbOb3mMTgpL4Wb1FqKFk xA== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2120.oracle.com with ESMTP id 2xf73tyrkn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 16 Jan 2020 02:37:54 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 00G2YDQv121487; Thu, 16 Jan 2020 02:37:54 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3020.oracle.com with ESMTP id 2xj1ashykm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 16 Jan 2020 02:37:53 +0000 Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 00G2bqeo025161; Thu, 16 Jan 2020 02:37:52 GMT Received: from ca-ldom147.us.oracle.com (/10.129.68.131) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 15 Jan 2020 18:37:52 -0800 From: Bijan Mottahedeh To: axboe@kernel.dk Cc: linux-block@vger.kernel.org Subject: [RFC 0/2] Fixes for fio io_uring polled mode test failures Date: Wed, 15 Jan 2020 18:37:44 -0800 Message-Id: <1579142266-64789-1-git-send-email-bijan.mottahedeh@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9501 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=800 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001160020 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9501 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=856 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001160020 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org These patches address the crash and list corruption errors when running the fio test below. [global] filename=/dev/nvme0n1 rw=randread bs=4k direct=1 time_based=1 randrepeat=1 gtod_reduce=1 [fiotest] fio nvme.fio --readonly --ioengine=io_uring --iodepth 1024 --fixedbufs --hipri --numjobs=$1 --runtime=$2 Bijan Mottahedeh (2): io_uring: clear req->result always before issuing a read/write request io_uring: acquire ctx->uring_lock before calling io_issue_sqe() fs/io_uring.c | 4 ++++ 1 file changed, 4 insertions(+) -- 1.8.3.1