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 X-Spam-Level: X-Spam-Status: No, score=-4.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A50A7C433DB for ; Tue, 9 Feb 2021 15:53:50 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 33E6C64E70 for ; Tue, 9 Feb 2021 15:53:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 33E6C64E70 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kioxia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=REkOsex4Ubnudogt8mRKnNGOFkFm4kBz/16uiuB12pY=; b=UxuibVxoh9ALumMpX5xXrQkPw lWCORtp6YI1+51dzpLqbz1WU94yr3GIbiUTjFy8d0wfwKGxhgfg5cIQD1PN8EEUUrMFWb0U8ufO2E NQX28nAZ30Rah7dPekUt1fF9s0trCNwNFC4SjrqgaLzv3jVxccSYgtxik3efBMq7dm+AUrUKa9rDu 5Vp7cu0JbcMcWydLoZFEeFSojCjZCIatzdqZprs1yMJ1/C/cScJDgrlqZjKqfrNP8qWZUzf3eSml5 jrWddtBFuuAhspo8PbD6r5Tl3YQbartSztE5hQz5TyPM9jmXOd/2X3jBHuKGoDZpz4UhAvzUjd9yg aOuQSyeoA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9VKi-00036T-1W; Tue, 09 Feb 2021 15:53:44 +0000 Received: from usmailhost21.kioxia.com ([12.0.68.226] helo=SJSMAIL01.us.kioxia.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9VKe-000365-Dj for linux-nvme@lists.infradead.org; Tue, 09 Feb 2021 15:53:42 +0000 Received: from SJSMAIL01.us.kioxia.com (10.90.133.90) by SJSMAIL01.us.kioxia.com (10.90.133.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Tue, 9 Feb 2021 07:53:38 -0800 Received: from SJSMAIL01.us.kioxia.com ([fe80::98fb:6d15:be65:b22d]) by SJSMAIL01.us.kioxia.com ([fe80::98fb:6d15:be65:b22d%3]) with mapi id 15.01.1779.007; Tue, 9 Feb 2021 07:53:38 -0800 From: Clay Mayers To: Christoph Hellwig Subject: RE: [PATCH V2 0/2] nvme: Support for fused NVME_IOCTL_SUBMIT_IO Thread-Topic: [PATCH V2 0/2] nvme: Support for fused NVME_IOCTL_SUBMIT_IO Thread-Index: AQHW81Uk6e6cbZGyEU2+tznAk87Vf6o6RTXQgBS+TpCAAQ2LAP//+/uw Date: Tue, 9 Feb 2021 15:53:38 +0000 Message-ID: <94d6c39917d04b88ae0099473df9f4d0@kioxia.com> References: <20210105224939.1336-2-clay.mayers@kioxia.com> <20210125195844.1390581-1-clay.mayers@kioxia.com> <20210209075434.GA31373@lst.de> In-Reply-To: <20210209075434.GA31373@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.90.53.138] MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_105340_492315_5350AEF1 X-CRM114-Status: GOOD ( 15.88 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Keith Busch , Jens Axboe , Chaitanya Kulkarni , "linux-nvme@lists.infradead.org" , Sagi Grimberg Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org > From: Christoph Hellwig > Sent: Monday, February 8, 2021 11:55 PM > To: Clay Mayers > Cc: linux-nvme@lists.infradead.org; Keith Busch ; Jens > Axboe ; Chaitanya Kulkarni > ; Christoph Hellwig ; Sagi > Grimberg > Subject: Re: [PATCH V2 0/2] nvme: Support for fused > NVME_IOCTL_SUBMIT_IO > > On Tue, Feb 09, 2021 at 12:53:17AM +0000, Clay Mayers wrote: > > > From: Clay Mayers > > > Sent: Tuesday, January 26, 2021 1:14 PM > > > To: linux-nvme@lists.infradead.org > > > Cc: Keith Busch ; Jens Axboe ; > > > 'Chaitanya Kulkarni' ; Christoph Hellwig > > > ; Sagi Grimberg > > > Subject: RE: [PATCH V2 0/2] nvme: Support for fused > > > NVME_IOCTL_SUBMIT_IO > > > > > Is there any other feedback on V2? > > My feedback is that we should not add code to the kernel driver and our fast > path for fused command unless we have a mainstream in-kernel users, that > is not at all for the foreseeable future. Thanks - that makes sense. I know the patch isn't enough to be very useful on its own. I shared it at this stage because of my concern over the implementation. Thanks to the feedback from the list, it is better than it was. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme