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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n2-20020a1709026a8200b001a644fba6d8si7321599plk.86.2023.06.06.11.08.40; Tue, 06 Jun 2023 11:09:22 -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; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=acm.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237850AbjFFRia (ORCPT + 99 others); Tue, 6 Jun 2023 13:38:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233697AbjFFRi3 (ORCPT ); Tue, 6 Jun 2023 13:38:29 -0400 Received: from mail-yb1-f174.google.com (mail-yb1-f174.google.com [209.85.219.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0AB910DE; Tue, 6 Jun 2023 10:38:28 -0700 (PDT) Received: by mail-yb1-f174.google.com with SMTP id 3f1490d57ef6-bacf685150cso8044914276.3; Tue, 06 Jun 2023 10:38:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686073108; x=1688665108; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=/jZZzUpN02JfdEi9qpDyIpAeWgU+U11uOqjPbUWV+z4=; b=Awzscidih9NOaFhCv0cGI/VX1NIMtFePaiEpZmyFv+mtGuHyXNXk8R25emzVsOzwZM YvGtYyjIt0oRw9MpFSLNd2h12CoFL1xAbO2PC3SczM2WP6HLBg3pTb47ZoWbI4qeiNdb jKc4W+RcG6AVBpWhyi3RNLjV1ZFbDPBdZarkfaD2Cp9h96pO50MYBfA0uIlFJ7dnasfn Wbo6UREshct7hBve61WVdQhbf9lCE0S9HlS/dtwNZQTHeI0kdM+kss0jPHqdvyjFsWNl yQKAlf+2VgIFafzk6PVYZmTyWN4lyvP9jN9EZg+eRHFTCT3j6kmDJGywFCm9t4erd8E0 trBw== X-Gm-Message-State: AC+VfDxbWOIud0ThWthzT69N2azze4c6Gj6GafQ+4GhYMFQK5fptJNFU 9ORhX/GzJTT/VL9GQIhKb/A= X-Received: by 2002:a25:7a86:0:b0:bb1:650c:8c04 with SMTP id v128-20020a257a86000000b00bb1650c8c04mr2706557ybc.56.1686073108054; Tue, 06 Jun 2023 10:38:28 -0700 (PDT) Received: from [192.168.51.14] ([98.51.102.78]) by smtp.gmail.com with ESMTPSA id j12-20020a17090a840c00b00253311d508esm9721400pjn.27.2023.06.06.10.38.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Jun 2023 10:38:27 -0700 (PDT) Message-ID: <6ad5fba3-926a-7a23-b21b-abffd33708be@acm.org> Date: Tue, 6 Jun 2023 10:38:25 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH] scsi: sd: support specify probe type of build-in driver Content-Language: en-US To: Jianlin Lv , 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 Cc: jianlv@ebay.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-scsi@vger.kernel.org References: <20230606051217.2064-1-iecedge@gmail.com> From: Bart Van Assche In-Reply-To: <20230606051217.2064-1-iecedge@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no 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 6/5/23 22:12, Jianlin Lv wrote: > In scenarios where SCSI disk name sensitivity is crucial, the probe type > of the build-in sd driver can be set to synchronous. As a result, > the scsi disk names are deterministic. Which are these scenarios? Additionally, how can synchronous scanning of sd devices make a difference if there are multiple host bus adapters that use an interface type that is scanned asynchronously? Bart.