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 D4A5BC25B75 for ; Thu, 23 May 2024 13:42:48 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=afci6CJ76Zp6xoepc357nE1IL04qiOxBOsa2LoqZWNY=; b=RiR6UNzYI1kvrPGvZR8zdTuAnX 6mNuf4cKDArszegtb49/Fkp5B3F91ptUJNqhLlzZOwIT5pdAAFM382HsxOgkZNrDLG/7GYKQMY/wI aG9vdqDI6vq4YfdcfdNQiGBCmVtu7mVJERg+fbHbNgLi+/xUU6TtwnTbQCQOolQgn0zE9E/7zL4os bqo9QwTEeatzScnH7rTtOJhTo0YDc49o7s5chiQVzjQFJvgel46IpVoL2264I8/twjFrAnjMKtS6/ uXN+gFO98qu1aqaI0feorr3yQWEvMftxcb6w8DTT+7uGODvZBDVZCauXWhEF7+EWqKegeuxWl4hsQ i/v1rHAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sA8iV-00000006OoQ-2yIt; Thu, 23 May 2024 13:42:47 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sA8iT-00000006Onx-2DSo for linux-nvme@lists.infradead.org; Thu, 23 May 2024 13:42:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1716471763; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=afci6CJ76Zp6xoepc357nE1IL04qiOxBOsa2LoqZWNY=; b=d/uPAAe8doUvWK2E13JDk8cmBssbX3AFNZ2OpzopemxpZ4Ccu8XY/XqxhO8LyWjUyhEAwN nsmYYLN3hQvVVAVY/To5AXFJT9DUF0T8dNGN+LeUmKSLXLO3c/kb2fQQzGHpm71k3FYh/K QYDO3RqsWD5uysbHZQ61a7goSy3vuLs= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-157--11Nvb4yOCmLIs3x9nbQrw-1; Thu, 23 May 2024 09:42:40 -0400 X-MC-Unique: -11Nvb4yOCmLIs3x9nbQrw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BD12A101A54F; Thu, 23 May 2024 13:42:39 +0000 (UTC) Received: from [10.18.25.182] (unknown [10.18.25.182]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6531828E2; Thu, 23 May 2024 13:42:39 +0000 (UTC) Message-ID: <4d90d565-c156-4e4c-8a16-f32aa73fc809@redhat.com> Date: Thu, 23 May 2024 09:42:39 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5] nvme: multipath: Implemented new iopolicy "queue-depth" To: Hannes Reinecke , Chaitanya Kulkarni , "emilne@redhat.com" Cc: "linux-nvme@lists.infradead.org" , "hch@lst.de" , "sagi@grimberg.me" , "kbusch@kernel.org" , "linux-kernel@vger.kernel.org" , "jrani@purestorage.com" , "randyj@purestorage.com" , "hare@kernel.org" References: <20240522165406.702362-1-jmeneghi@redhat.com> <935f7e10-ccb4-4891-8f29-84909c061e7a@nvidia.com> <60758e4d-4bdc-4a99-a151-a9009a8a460f@suse.de> Content-Language: en-US From: John Meneghini Organization: RHEL Core Storge Team In-Reply-To: <60758e4d-4bdc-4a99-a151-a9009a8a460f@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240523_064245_664411_A5699051 X-CRM114-Status: UNSURE ( 7.70 ) X-CRM114-Notice: Please train this message. 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 5/23/24 02:28, Hannes Reinecke wrote: > As presented at LSF by Daniel; ALUA support (and, with that, multipath > support) is one of the topics to be implemented for blktests. > And without that we can't have a meaningful QD test. So as a part of this patch you want a blktest that verifies queue-depth multipathing? Or are your just tying acceptance of this patch to a blktest that tests multipath testing over all? Seems to me you have a patch designed to do that... https://github.com/osandov/blktests/pull/114 /John