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=-1.1 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 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 9162FC388F3 for ; Tue, 1 Oct 2019 01:54:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 696E52087F for ; Tue, 1 Oct 2019 01:54:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="NvC/iXBe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726590AbfJAByN (ORCPT ); Mon, 30 Sep 2019 21:54:13 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:38494 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726106AbfJAByN (ORCPT ); Mon, 30 Sep 2019 21:54:13 -0400 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 x911nVBc036692; Tue, 1 Oct 2019 01:54:08 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2019-08-05; bh=4k2uGXye/BjhzSgVMI1K16vPqlYtUAnVQrfMtQxbxbo=; b=NvC/iXBe4G7x8PMGKBVGomJMys4bzrheUqcZUGnPMsUD6fnBq7aOYfkR33utl1FLuLiD rR3k1mEWxu2VIiRq/gBYULlh2x7AVdXB3R5qKcfWpQny7f0YhcBFLqeesDUEU8IbAq8j WNWshem1QOR03Rc+6fl9Q+3E6ENrgF7nlj6062m6FFqxjW9e7rzcfD+KW2MKMWMsVa5r RCWKSu8vEW5TXrTlZGi7ivMZ6RSWtBH291yE6zs/GCl2iWawHE9YVndT+aREnRNMMauN Si3K65VA2njWWctpHGo6NtyrEtpF5Dm59kncDEUoInE3B/RR+jjln6zuJajfz5SbHPiU Jg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2120.oracle.com with ESMTP id 2v9yfq2q6w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Oct 2019 01:54:08 +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 x911s2WG005865; Tue, 1 Oct 2019 01:54:08 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3020.oracle.com with ESMTP id 2vbqcyypd9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Oct 2019 01:54:06 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x911riJA000706; Tue, 1 Oct 2019 01:53:44 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 30 Sep 2019 18:53:44 -0700 To: Hannes Reinecke Cc: "Martin K. Petersen" , Andrey Melnikov , Zhong Li , linux-scsi@vger.kernel.org Subject: Re: [RFC,v2] scsi: scan: map PQ=1, PDT=other values to SCSI_SCAN_TARGET_PRESENT From: "Martin K. Petersen" Organization: Oracle Corporation References: <8A2392BA-EDD4-4F66-9F76-B43C8F6EA4FB@gmail.com> Date: Mon, 30 Sep 2019 21:53:42 -0400 In-Reply-To: (Hannes Reinecke's message of "Fri, 27 Sep 2019 16:16:42 +0200") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9396 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=619 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910010018 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9396 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=706 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910010017 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Hannes, > 1) all underlying devices are exported to the OS; of course they have > to be properly masked etc to avoid udev to latch on those devices. I > also was under the impression that the 'no_uld_attach' should be > sufficient here, but then that only avoids the 'sd' driver to become > attached to it. The actual SCSI device is still visible, so one > _might_ be tempted to use the 'sg' device and export it to things like > qemu. Which of course should be avoided. Well, yes. But in this case the bug report was that sg devices were no longer available for smartmontools to monitor. -- Martin K. Petersen Oracle Linux Engineering