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 B0D84C3064D for ; Tue, 2 Jul 2024 15:51:26 +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=SgG230UfS5EtqYgsGVB1SyixQ94t7S5caaHGZk2Lflo=; b=s+JvlU8pyAJirf4n0sPJnTmwNo kgUYqvkpxxUM/WRgFBPr8ywFP2rGcYklt6BqY3+gEh9SRHlpvMHd+5zXgnmccPWdAQFRHzRojJPfi LTQfoT23T8bXLU+1fTe2V3MGnFS+DK18zcav//Mh/2rDDvtmG+El2d+9gLlYhmlbgoWq0XCbdauV8 vIuyYrk8OZoSVHgSEPmJsVYSRnGX4SzhrhoUs6ogBiT7FVxM04GB4Lbvmn+2p+JfUttFEzkLdZriK 1eLvGWgtTb+YPlOYkSQVIKfAuvSOHX1Hg20ARKStjxgsp7e7UROWak49RsW9r2auqaBFQP8BhqAIM Vst+9jmw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOfmw-00000007GRY-13hg; Tue, 02 Jul 2024 15:51:26 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOfmt-00000007GQv-28UM for linux-nvme@lists.infradead.org; Tue, 02 Jul 2024 15:51:24 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 300AA68AA6; Tue, 2 Jul 2024 17:51:20 +0200 (CEST) Date: Tue, 2 Jul 2024 17:51:20 +0200 From: Christoph Hellwig To: Jens Axboe Cc: Christoph Hellwig , Keith Busch , Kanchan Joshi , martin.petersen@oracle.com, sagi@grimberg.me, linux-nvme@lists.infradead.org, bvanassche@acm.org, javier.gonz@samsung.com, gost.dev@samsung.com, Hui Qi , Nitesh Shetty Subject: Re: [PATCH v3] nvme: enable FDP support Message-ID: <20240702155120.GC1037@lst.de> References: <20240702102619.164170-1-joshi.k@samsung.com> <20240702113954.GA15325@lst.de> <20240702153631.GA534@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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-20240702_085123_712756_724DF78F X-CRM114-Status: GOOD ( 16.43 ) 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, Jul 02, 2024 at 09:49:35AM -0600, Jens Axboe wrote: > I'm with Keith on this one - there's no real maintenance burden to bear > for this feature, it's pretty well contained. There's no point gate > keeping it based on changing the spec, as that will take a long time to > get done. And there's no reason to hold this back until this happens > based on mostly ideological reasons, when there are actual users that > could use it now. What do we have to lose? What we do is a misuse of the spec intentionally designed to not accomodate us. I'm dead-set against this. Please all help getting the proper interface in. I worked with folks on the SCSI side and we finally got it (although with a few warts). >