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 35AEBD49237 for ; Mon, 18 Nov 2024 15:31:39 +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=jpWW0wL+sNaA+UyC1MeFKSHJq7lChKtySr/6iz69uZA=; b=Ic7iaPOdzi1sGD67M2591vfQuj c6XaOilE6v5WI/dA6qIssM7tDFBOiwC7JCbf7JNKEc3u5gu8WnaIlHzljQuU0T/T1ANZ1aLbyHs6m ClfRsdqkND6dVZfQFiLksSgqyrYBuQcwuAhtKf9WYytn2KBmw/8aTBdNUbIUAsOCVVI4RUE/fAQvS CWVTkA0/kg9fNeuLhaG/2MhHqzl99ySLsinOXnezIjdvNYhG9Vsx1NhJZOI3dIrVp7hiZdooNKiRQ +iEvoJ1md2/sqX//BISl0LiXY55QXiBq0P3YUHqZUdDOunkJj+g8kXEUfdFoHqI2zw/kJacckcIIK 6FAT7vcQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tD3iz-00000009vrZ-0QTP; Mon, 18 Nov 2024 15:31:37 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tD3iw-00000009vqm-1goe for linux-nvme@lists.infradead.org; Mon, 18 Nov 2024 15:31:35 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 954EDA40B36; Mon, 18 Nov 2024 15:29:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B448C4CED1; Mon, 18 Nov 2024 15:31:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731943892; bh=U3oDJI9MgwAAmIw67zRjHMKb6thRUau+jvkgKgAKJKI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EaeAho2SMtqRsiNCqzKHGyHZXmMcyjXvd1NXFFwbXhGBmY/39wctL61MPBRgdGdhE e3e0cjwk4zOrVL370q0umE237RFPs+g3vmvK871lNIIuPKAyJ8hpzB2HF597HJSpnH 1PH9njN3w1ryI2tqcNcUXKbj581FvpW6safM4i/FUscLTrznyLW1ASQ/pPS1PEt+e1 SRF2qJr8QwOpJDny6xPT28u+qK8MRX0XJg1fIxRxbN7D1DzZfLfgfqnWZ9DPaLbi3j VlKQoyYCm9k3Ivy8Ih5cyB40KClwIF+eXKAOHV+699Dk4vAqhTR9IIlwm5GlxcPhMv IwjUWsW+ONJcA== Date: Mon, 18 Nov 2024 08:31:30 -0700 From: Keith Busch To: John Meneghini Cc: "linux-nvme@lists.infradead.org" , Ewan Milne , Bryan Gurney , Chris Leech , Maurizio Lombardi Subject: Re: CONFIG_NVME_MULTIPATH - Do we need this? Message-ID: References: <889e1d2a-1cda-4979-8279-f2f665350376@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <889e1d2a-1cda-4979-8279-f2f665350376@redhat.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241118_073134_503234_58DFC37C X-CRM114-Status: GOOD ( 11.71 ) 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 12, 2024 at 07:23:06PM -0500, John Meneghini wrote: > Now that RHEL-10 beta has shipped we no longer support anything but native > nvme multi-pathing and I'd like to do something about the multipath module > parameter: > > bool multipath = true; > module_param(multipath, bool, 0444); > MODULE_PARM_DESC(multipath, > "turn on native support for multiple controllers per subsystem"); > > I'd like to remove this parameter from nvme_core/multipath.c. The fact is, > setting nvme_core.multipath=N never worked in anything but RHEL and keeping > it around only causes confusion. Not sure the about this being a RHEL specific parameter. I use this for testing purposes, but I don't use RHEL. Admittedly I haven't needed it recently, but I have found it useful in the past.