Received: by 2002:a05:6359:322:b0:b3:69d0:12d8 with SMTP id ef34csp224774rwb; Wed, 10 Aug 2022 07:21:57 -0700 (PDT) X-Google-Smtp-Source: AA6agR5heFtB3CUwlgg9aI/+tqSHlnxLCdbneFCjfE4fsSCnuFXI36nCUowQD/X+C52Xg1wSt6dt X-Received: by 2002:a05:6a00:804:b0:52f:43f9:b634 with SMTP id m4-20020a056a00080400b0052f43f9b634mr14388287pfk.62.1660141317668; Wed, 10 Aug 2022 07:21:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1660141317; cv=none; d=google.com; s=arc-20160816; b=V8O1nIFWrdCyuD88Y9SWwDf4vUoRwePORBzh2w+3LG0NcE1+QjAPVmik9aEdrs6dEo 0eL64lweURkKfrJuHKS7ik2Aoy+J01nRgzoOIhd2nA/+xjJrBH1KUfZYluioU6GHOl2O +wTntdbU6pj6k/r8e9LgVLw0eV9l6xmnphyiKG4N7Y2o/NFzosNzdBHuEiSpGwfHNUBG CDksv6chXVBnuoI2joumvXzvcXjF0uT0jX0M43hctgd81f9VdiOIR6NBjQU9CVAaqw1Z LJqg9W03pwDm1e58Lv5hVbKjs1Ob4MvSF8n7fWBl9eNBEF8ZMYto0NLLwm0QcB+STTCQ Xt5A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=8TlzB2Z5MzI6MeY+zEYUPzHFTRvWUXfvzTMiyxsoOl4=; b=ViPz/vOoh6Lirxm5uu/TMeK/SyhJPzzdDINchPHKeY/gxw0o8K3kW9wpMDZeRrw/Zp cWIln5G3OP82iLjeZ6enLjonwkL9QVlbeiFO9b/WaY70Q7QoP4R3tGWi8m2mOB5/O3sw jOCsMm1WIj8Wkgn8yxWkaycL4jbASFO1ffQEodM7A3WbphhhL8p7vc1Nhh2Fdii8On5b JCbBNhYZRGXR8m6YSJjHhprJKeEzCNq88gdAiQ07ysSI7i6IoEvTI7CSA7Oex+Dfzn2D j3VffdcLs0fWb7xf9++24mP3VAEJqVjryT12fxZzB82SKZ7ZUEk+MqE5K4eOvWXvKNoq 69aA== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id 3-20020a17090a000300b001f209736b9fsi1838302pja.174.2022.08.10.07.21.41; Wed, 10 Aug 2022 07:21:57 -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; 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 S232487AbiHJOJC (ORCPT + 99 others); Wed, 10 Aug 2022 10:09:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233114AbiHJOIW (ORCPT ); Wed, 10 Aug 2022 10:08:22 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B18AD6EF27 for ; Wed, 10 Aug 2022 07:08:15 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 6176D68AA6; Wed, 10 Aug 2022 16:08:12 +0200 (CEST) Date: Wed, 10 Aug 2022 16:08:12 +0200 From: Christoph Hellwig To: Linjun Bao Cc: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] nvme: align "fake" nqn with spec 1.3 Message-ID: <20220810140812.GA24773@lst.de> References: <20220810133953.5411-1-meljbao@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220810133953.5411-1-meljbao@gmail.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE 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 Wed, Aug 10, 2022 at 09:39:54PM +0800, Linjun Bao wrote: > Replace '.' with '-' to align "fake" nqn format with nvme spec 1.3 or newer. We can't just change the existing NQN construction if we don't want to break userspace. Maybe add a comment that it is different from the canonical version for historic reasons instead.