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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z15-20020a630a4f000000b0053578f3de77si9007581pgk.239.2023.06.07.07.55.44; Wed, 07 Jun 2023 07:55:57 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=ZEj94Kvy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241039AbjFGOLU (ORCPT + 99 others); Wed, 7 Jun 2023 10:11:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241038AbjFGOLR (ORCPT ); Wed, 7 Jun 2023 10:11:17 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BAAF10D2; Wed, 7 Jun 2023 07:11:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=CYN3JV4C5kd/yOFkWrn3x1lniaR0lnn6zZT43JbjRgE=; b=ZEj94KvyIzIoBGuBCeLfmfip8l t6qQB/2VL78OQc2MiDnSEUNIiHQTeAmcCBqtA29+rme5swYIVRmAyFjZ5vVr3thAp/oa+eInId5/7 GiCg41o0J83sicQexKw1hH2zn/z1UDfd/lpdd2bDparMKHloQ8LSb+U9mNqRWqz35ULpW9xPoju8b 8KEcPVW7T+HZCXuRuUDVkPyLoUi+1PPgQO455bRKCvNBAUlBB4rotepuZUa3JZQKJw1sKFBXLhHVm +mPtVj2hKIxxwj2jqrGBR/9dopfVM3lsQy9qwQQKIwnVagWXn/WnNTu19RcwS6jPnBAiSF/e+s7e+ /7xZIzbw==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1q6tsG-006DED-19; Wed, 07 Jun 2023 14:10:56 +0000 Date: Wed, 7 Jun 2023 07:10:56 -0700 From: Christoph Hellwig To: Jianlin Lv Cc: jejb@linux.ibm.com, martin.petersen@oracle.com, paulmck@kernel.org, bp@suse.de, peterz@infradead.org, will@kernel.org, rdunlap@infradead.org, kim.phillips@amd.com, rostedt@goodmis.org, wyes.karny@amd.com, jianlv@ebay.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-scsi@vger.kernel.org Subject: Re: [PATCH] scsi: sd: support specify probe type of build-in driver Message-ID: References: <20230606051217.2064-1-iecedge@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230606051217.2064-1-iecedge@gmail.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 06, 2023 at 05:12:17AM +0000, Jianlin Lv wrote: > When SCSI disks are located on different SCSI hosts within a system, > asynchronous detection can lead to non-deterministic SCSI disk names. Yes, as can various other conditions. Your code better be able to deal with that.