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=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 ED204C4363A for ; Fri, 30 Oct 2020 02:15:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5974920756 for ; Fri, 30 Oct 2020 02:15:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="LtfLt7Yl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726196AbgJ3CPv (ORCPT ); Thu, 29 Oct 2020 22:15:51 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:49386 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725790AbgJ3CPu (ORCPT ); Thu, 29 Oct 2020 22:15:50 -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 09U2FXt0057285; Fri, 30 Oct 2020 02:15:33 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : message-id : references : date : in-reply-to : mime-version : content-type; s=corp-2020-01-29; bh=Cm/6VbzyJH4sOrtddGQ54uD1O5Uz5x5zqNdZFEq/iWk=; b=LtfLt7YldThlxCxbhkPHLsw4m63RD1s4XMFzSMnu1P6DeyAPuMMiUUee6j+FZC3kgf8o PMpIPBTMW6lzrlgMM1P9u8+Fb9lE1w551e00LpwA2yN0vdq0oEjh4VUVfFVdbvA6iKMg F7c4vtPq56gu9gOXN/xq2wV7lBPd3Q4/iMOZJtZwpb6G4juOTaOcLCBQGVRt04zTsYie unVDn+BKsR0P9r0stRIbArMf89Ssg3ZLnRa5ndWnpTFfmlHwHZasUBuc5EP1QCaiwbhs t2y1Nv5Z3BFAS1eaHbVMDp+cNMTly+s/fQU0pECytoS7LLr5cqtn6MxCuUrqFPtPzqxw Gg== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2120.oracle.com with ESMTP id 34cc7m7qq0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 30 Oct 2020 02:15:33 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09U2APRv115382; Fri, 30 Oct 2020 02:13:32 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3020.oracle.com with ESMTP id 34cx1txdjm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 30 Oct 2020 02:13:31 +0000 Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 09U2DOSB002716; Fri, 30 Oct 2020 02:13:24 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 29 Oct 2020 19:13:24 -0700 To: Christoph Hellwig Cc: Jens Axboe , Greg Kroah-Hartman , "Rafael J. Wysocki" , Denis Efremov , "David S. Miller" , Song Liu , Al Viro , Finn Thain , Michael Schmitz , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-raid@vger.kernel.org, linux-scsi@vger.kernel.org, linux-m68k@vger.kernel.org, Hannes Reinecke Subject: Re: [PATCH 08/18] sd: use __register_blkdev to avoid a modprobe for an unregistered dev_t From: "Martin K. Petersen" Organization: Oracle Corporation Message-ID: References: <20201029145841.144173-1-hch@lst.de> <20201029145841.144173-9-hch@lst.de> Date: Thu, 29 Oct 2020 22:13:21 -0400 In-Reply-To: <20201029145841.144173-9-hch@lst.de> (Christoph Hellwig's message of "Thu, 29 Oct 2020 15:58:31 +0100") MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9789 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 phishscore=0 bulkscore=0 suspectscore=1 malwarescore=0 mlxlogscore=999 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010300014 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9789 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 adultscore=0 malwarescore=0 spamscore=0 clxscore=1011 mlxscore=0 suspectscore=1 priorityscore=1501 impostorscore=0 bulkscore=0 phishscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010300015 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christoph, > Switch from using blk_register_region to the probe callback passed to > __register_blkdev to disable the request_module call for an unclaimed > dev_t in the SD majors. > > Signed-off-by: Christoph Hellwig > Reviewed-by: Hannes Reinecke Acked-by: Martin K. Petersen -- Martin K. Petersen Oracle Linux Engineering