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 274B3EA4E07 for ; Mon, 2 Mar 2026 14:12:16 +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=w2YDu5rMtbMMxT3t2H4bsBgwmSSKVHaJSN2ub4jHoRU=; b=bPZaUAtPOuD4+Tjk1jep1SIdq6 h0KFoqqMPucSjqg8eeNLog15RSBT8rpyzZ9A0e5Y777uJ4puzgVx0Wmlw2xisnoETSu+/ZCmRNb68 cCtWdPFZvKFxyJmwmj/hdRypqXV7mqvseNbbNUYvwtUsfwcHEA0Djhfu8YCOQjHUOCsFOQQgQfdO0 /xKbw9043X4KflzctUY27V6InkTgJ+HQvN708p4xZXDQZX+5glGoPW02a9VIjb+aA0hch+b3WilM2 3conlJ9KWFrkOg5MgItyu2r3ovxv/GkKAEBSsMsh4Xp1iJsraTaA7PA1tq8KTq9BoKdXB1Udrg+GV vui7IIdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vx40L-0000000DCsU-28wp; Mon, 02 Mar 2026 14:12:13 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vx40I-0000000DCs5-48ik for linux-nvme@lists.infradead.org; Mon, 02 Mar 2026 14:12:12 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 97D8C68B05; Mon, 2 Mar 2026 15:12:06 +0100 (CET) Date: Mon, 2 Mar 2026 15:12:06 +0100 From: Christoph Hellwig To: John Garry Cc: hch@lst.de, kbusch@kernel.org, sagi@grimberg.me, axboe@fb.com, martin.petersen@oracle.com, james.bottomley@hansenpartnership.com, hare@suse.com, jmeneghi@redhat.com, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, michael.christie@oracle.com, snitzer@kernel.org, bmarzins@redhat.com, dm-devel@lists.linux.dev, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 00/19] nvme: switch to libmultipath Message-ID: <20260302141206.GA23439@lst.de> References: <20260225154007.1033735-1-john.g.garry@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260225154007.1033735-1-john.g.garry@oracle.com> 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-20260302_061211_212752_8F765A59 X-CRM114-Status: GOOD ( 13.34 ) 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 Wed, Feb 25, 2026 at 03:39:48PM +0000, John Garry wrote: > This switches the NVMe host driver to use libmultipath. That library > is very heavily based on the NVMe multipath code, so the change over > should hopefully be straightforward. There is often a direct replacement > for functions. Given how little code this removes while adding the new libmultipath dependency and abstractions I can't say I like this at all.