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=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 7DEE7C433DB for ; Fri, 5 Feb 2021 09:32:51 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B4C5160230 for ; Fri, 5 Feb 2021 09:32:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B4C5160230 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=8Et8Bu33pmpNBG60FhyciKbC8nDu5G2TlGfzcisk0zY=; b=RoxeRXosYK87tpb0ivL58EQNF SwCab/byLuFhI++ewptBawuUzwl+l+jxXdo9sC+D9m3LLjBbxwwB/kTU6R/4EXjVgbPmn7hINcWmC /9rXtX9eFC3ltIJrpTZCmf/eW41eXUpxISIV1d+0q3KwY2KzVzFhIE8Gumg+5jIImpEldrw1i/oID wM4V1zHqeMUXupc4ABCJ06ypw/ccvRg4IQtacgAaNxbx/KvlN/x2nkLQXdDvRpsRb+7NzYvimc8l1 4PTyHqYSxZajdhl/YpxT9fs7ivAu6RwkZajHCqHtn6SyHyEZEF9bePVvD0O6cZ2RWYjAc6WnSlF7t nLJDAA+1Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7xTr-0002U9-U4; Fri, 05 Feb 2021 09:32:47 +0000 Received: from verein.lst.de ([213.95.11.211]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7xTp-0002TN-28 for linux-nvme@lists.infradead.org; Fri, 05 Feb 2021 09:32:46 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 8F38868B05; Fri, 5 Feb 2021 10:32:37 +0100 (CET) Date: Fri, 5 Feb 2021 10:32:37 +0100 From: Christoph Hellwig To: Hannes Reinecke Subject: Re: [PATCH] nvmet: per-host namespaces masking Message-ID: <20210205093237.GA2066@lst.de> References: <20210205092926.64161-1-hare@suse.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210205092926.64161-1-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-20210205_043245_217514_81C1B12D X-CRM114-Status: UNSURE ( 9.29 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chaitanya Kulkarni , linux-nvme@lists.infradead.org, Christoph Hellwig , Keith Busch , Sagi Grimberg Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Fri, Feb 05, 2021 at 10:29:26AM +0100, Hannes Reinecke wrote: > Implement per-host namespaces masking, allowing to expose > different namespaces to different hosts connecting to the > same subsystem. > The original method of adding host nqns to the subsystem > takes precedence over the per-host namespace masking. Why do you want to expose a single subsystem to multiple hosts? This creates all kinds of covert channels better avoided. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme