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=-2.4 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_SANE_1 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 71016C2BB1D for ; Thu, 12 Mar 2020 20:43:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 46902206CD for ; Thu, 12 Mar 2020 20:43:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="vgkRU/t3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727023AbgCLUm7 (ORCPT ); Thu, 12 Mar 2020 16:42:59 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:48566 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725268AbgCLUm6 (ORCPT ); Thu, 12 Mar 2020 16:42:58 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 02CKfANY136710; Thu, 12 Mar 2020 20:42:56 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=23rZ+8zZxe1JeZH6FM88sMD941d28e/gBOsTaM2azZg=; b=vgkRU/t3wtyw/PhgPQicGtp6GxUFOs3bMZieXMUCPN6cfvV7ptBuXc35ICd0mRmqw9j6 MSvpiMQdeA6k1qFK/QPqzhLaEv/SBDRv8HDO1mTBNhFngrnmgxh42BkKI3WSM+8+M+aC q6RTmYnv2/NrA/sRD9lhIvEsGFhYV/jT6Aq3VzxrOnbtwDh3MJasMhzxV3n6cG2gqzFX S5vtiY+ShVSN1kXReLy7ksmesYYzE2B+suwAAdd8BZ1d8sQv4WzdYLB+UM5WffTM4ufY aO3LvcbhnOmJtUhYgVsZYFEBpOXXYQ4iEEOj7hXykHZD1fjJzm0qnEXNqWWK43tH7CRq yA== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 2yqtaermh5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 12 Mar 2020 20:42:56 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 02CKe03I156185; Thu, 12 Mar 2020 20:42:56 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3030.oracle.com with ESMTP id 2yqtabwmty-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 12 Mar 2020 20:42:56 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 02CKgs5g020995; Thu, 12 Mar 2020 20:42:55 GMT Received: from dhcp-10-211-46-13.usdhcp.oraclecorp.com (/10.211.46.13) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 12 Mar 2020 13:42:54 -0700 Subject: Re: [PATCH 1/1] null_blk: describe the usage of fault injection param To: Jens Axboe , linux-block@vger.kernel.org Cc: linux-kernel@vger.kernel.org References: <20200304191644.25220-1-dongli.zhang@oracle.com> <052ba0ac-e0ec-9607-e5c8-acbee8ab6162@kernel.dk> From: dongli.zhang@oracle.com Organization: Oracle Corporation Message-ID: <38dfc76c-efb8-5447-c8e8-4c0079dbb55f@oracle.com> Date: Thu, 12 Mar 2020 13:42:53 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <052ba0ac-e0ec-9607-e5c8-acbee8ab6162@kernel.dk> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9558 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 malwarescore=0 phishscore=0 bulkscore=0 mlxlogscore=999 spamscore=0 suspectscore=3 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003120103 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9558 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 suspectscore=3 mlxlogscore=999 mlxscore=0 adultscore=0 malwarescore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003120103 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/12/20 6:57 AM, Jens Axboe wrote: > On 3/4/20 12:16 PM, Dongli Zhang wrote: >> As null_blk is a very good start point to test block layer, this patch adds >> description and comments to 'timeout' and 'requeue' to explain how to use >> fault injection with null_blk. >> >> The nvme has similar with nvme_core.fail_request in the form of comment. > > This doesn't apply to for-5.7/drivers, care to resend? > I would resend based on for-5.7/drivers. Thank you very much! Dongli Zhang