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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 32EFAC433F5 for ; Tue, 15 Mar 2022 08:06:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PaK+sfNxncGxuFch7a+KSIuv4lk1f5kCZ9sGkOo2U2U=; b=opAhiJeVlp3wTnFwnio0uvpWeN FKOH0idOPm0NP3S3duemgvSpNGoQdOeTMubDLsIn1Sdp6bQSAF5GVH+C9pqXEWDVEDlDmO3l09qAb CuR99E8hrbdPpPH9qE3qJQKK05WwYzQMetg5gTje6rTF8ldt4t1tpDm8OcawyV5MjLs5VwqLadj0d rdvKTQZBRj4wrSHt+NDuVLSF8EEerNVR2VDJnvnfFxO+qqn5vJzp5r4hxf3eRIVbvxeHutypL4B+B bOaAo8RguDFVZYN1fmruExC0mJxSXdG77WKHKUYU2+5ciQuHv6P/xRtssnP+9jK4uq6O03Kwwgxxz HJ8eGEtw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nU2C2-008DYj-J7; Tue, 15 Mar 2022 08:06:10 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nU2Bz-008DYA-5w for linux-nvme@lists.infradead.org; Tue, 15 Mar 2022 08:06:08 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id DED9D68AA6; Tue, 15 Mar 2022 09:06:02 +0100 (CET) Date: Tue, 15 Mar 2022 09:06:02 +0100 From: Christoph Hellwig To: Hannes Reinecke Cc: Christoph Hellwig , Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org Subject: Re: [PATCH 1/3] nvmet: expose discovery subsystem in sysfs Message-ID: <20220315080602.GA3082@lst.de> References: <20220314105333.56714-1-hare@suse.de> <20220314105333.56714-2-hare@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220314105333.56714-2-hare@suse.de> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220315_010607_394630_63C654AB X-CRM114-Status: GOOD ( 12.96 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Mon, Mar 14, 2022 at 11:53:31AM +0100, Hannes Reinecke wrote: > Expose the discovery subsystem in sysfs instead of having it as > an internal structure. This requires the admin to manually > enable the discovery subsystem by linking it to a port, but > this can be seen as a feature as it will allows us to expose > subsystems without discovery subsystems and discovery subsystems > with no I/O subsystems. ... and completely breaks any existing setup.