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 3497AC433EF for ; Tue, 23 Nov 2021 16:42:35 +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=QAaAbXJ7e4c3dVTdbTY33xCntjtiWNhLHiEy2XiG9UQ=; b=bqgwPY/FEHbrC7us7y5cAoLAUw V0m42hmYDUomVoqPsMi6xUKFc191uNObaEJbfIVeOSo7WFWVcs7TE5GP1QShSzHw6Fa3981Wo3bde PZVZddLFvVGy8qbMiESwRm5YdGH8dZc1hwWeCeYE5mxGRdq8EwvXFk7/07qO0DBjS34cnqhaWk9gL U5C84PMwrYQD/nk12dHYxKorY/ZzCWxGyf3bfnnkl6QiiZYb0RzwrNysLx8mqGseFEl3YNdtAgWT2 jrnxlolVjOb23fsjPXH4V9JXyySYfsemgR7nevs9HsKAdd2FbYd+bgQPCXJS42lfW2iUZMqpjl8Zo EhgFzPxQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mpYsJ-002xcC-G6; Tue, 23 Nov 2021 16:42:31 +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 1mpYsD-002xWw-NO for linux-nvme@lists.infradead.org; Tue, 23 Nov 2021 16:42:30 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 2C7B668AFE; Tue, 23 Nov 2021 17:42:22 +0100 (CET) Date: Tue, 23 Nov 2021 17:42:22 +0100 From: Christoph Hellwig To: Hannes Reinecke Cc: Christoph Hellwig , Sagi Grimberg , Keith Busch , linux-nvme@lists.infradead.org Subject: Re: [PATCH] nvme: print out valid arguments when reading from /dev/nvme-fabrics Message-ID: <20211123164222.GA24422@lst.de> References: <20211119083912.38260-1-hare@suse.de> <20211123162204.GB23957@lst.de> <36c5cc0c-f12b-b63a-89ca-d1d3971e7e61@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <36c5cc0c-f12b-b63a-89ca-d1d3971e7e61@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-20211123_084225_962608_6DEAA20B X-CRM114-Status: GOOD ( 12.80 ) 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 Tue, Nov 23, 2021 at 05:38:22PM +0100, Hannes Reinecke wrote: > Helper: sure. > But we don't need to distinguish the case where the controller has already > been created as this is handled by the if condition further up. Well, a token that the reader clearly sees that there is no controller yet