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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 D1984C433B4 for ; Fri, 9 Apr 2021 05:49:04 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 5B52461106 for ; Fri, 9 Apr 2021 05:49:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B52461106 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc: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=oqjdKlU2LiVusrHr4NZiKSlTvX62qWCrJscv5bew8lQ=; b=kq9amN4Csfl7jJ9Rb6RpgzSyu OpDExTS56bRiUGr1Yo+Bwu3UUSJbTfl1sOpy5kEeHQSCwIV1Al6IsDAyajHosqHz9UqA3+M5GY2lS yVJ/usipyI+CpbxU91rOv5N6ELxilToRUKG0TjUrY1AB2tB1OwWYBygZwuCu7yjV7Ak7JNXP4hTQe FbCf0D7diK+eL9tpoHtmCWHK91epi5bb+bJ4uflcOYVyKF/DasWprZrMRWgU+Cpidj1QFBfVgLcPX yzvaoFJWWjtZ/d2hFAtwjkVGYcu18stpNXjIo/P489YJ2rriQkix1xIQacfNdgrO16Ok2f8n+q23E GRWfW755w==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lUk0Z-00ACt3-7n; Fri, 09 Apr 2021 05:48:43 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lUjzy-00ACgQ-LU for linux-nvme@lists.infradead.org; Fri, 09 Apr 2021 05:48:11 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 161B661002; Fri, 9 Apr 2021 05:48:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617947282; bh=kWBKVX+d1Hm8TZI1O+OHI4mgAZ+CoBviT6kxRRx2xYA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XvW8xK3CJhaLUw6wMB2IEgkssm2rWqyCu3mZjgDZ+gOeIHWhPtkJAUuJT+JcwGL9h GRCSPgAHiQsDrYVvIF6nDTJUdPQpoTQDWApBXjAlsytt+zi8cgnyxQEtNVPVqaSGzg bAB1pfZl/Zdd2+rvCC57twioENxs2iVfaH1Av/MjNqIB2W5q9+Y7sQIArqTK+2F/rt GT9G8o0Mn/hqYUAmSRzb6Sw0XNVgetc+7Obtuat8AzGiVyFYG894Zsl8rWF/ldWrHv /pYl1d7iW0UbLkTCPF6FGuxvNSopGqVJnolkN2HUm4YsNIPXoI9NeUZkVbZ5cMT64y aYvu6B/Mk78bQ== Date: Fri, 9 Apr 2021 14:47:56 +0900 From: Keith Busch To: Christoph Hellwig Cc: Minwoo Im , Sagi Grimberg , Kanchan Joshi , Javier Gonz??lez , linux-nvme@lists.infradead.org Subject: Re: [PATCH 12/13] nvme: let namespace probing continue for unsupported features Message-ID: <20210409054756.GA30347@redsun51.ssa.fujisawa.hgst.com> References: <20210408120842.1450092-1-hch@lst.de> <20210408120842.1450092-13-hch@lst.de> <20210408224259.GA28814@redsun51.ssa.fujisawa.hgst.com> <20210409053902.GA2575@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210409053902.GA2575@lst.de> User-Agent: Mutt/1.12.1 (2019-06-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210409_064809_577229_68744497 X-CRM114-Status: GOOD ( 16.85 ) 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: , 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, Apr 09, 2021 at 07:39:02AM +0200, Christoph Hellwig wrote: > On Fri, Apr 09, 2021 at 07:42:59AM +0900, Keith Busch wrote: > > On Thu, Apr 08, 2021 at 02:08:41PM +0200, Christoph Hellwig wrote: > > > Instead of failing to scan the namespace entirely when unsupported > > > features are detected, just mark the gendisk hidden but allow other > > > access like the upcoming per-namespace character device. > > > > This part looks fine for what it is, but I thought we were going even > > further by allocating a namespace for the generic char device even if > > its Command Set Indicator was unsupported by the kernel. > > We need a currently unpublished TP (don't remember the number offhand) > that adds another new Identify page for that. So it is on the TODO > list but can't be done yet. Oh, I was thinking if the kernel doesn't have CONFIG_BLK_DEV_ZONED. That's not necessary for the ng device. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme