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=-5.9 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,USER_AGENT_SANE_1 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 4DA71C433B4 for ; Wed, 5 May 2021 04:58:21 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 A0B05611EE for ; Wed, 5 May 2021 04:58:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A0B05611EE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de 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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UqchRQE6SQCpR59dMWqQn50aqvT9U1hnenS/IN16V7o=; b=Fn+DFCRL0a73dxkLMRneRvEgu ypnt4b1xZgBiUBRUNQrIshbWxSuw6ukaXyeM7fp1RJNMx6uAmQFoU/8c75cGQvdNje6uForCfe72w yQfB4GxHbAQGGeZIhq16n+xcOiAT3OkVfuZIPZRUtdd9MVkM01+HbpMIwt8IQq4bpefqT+yAKGUgS nSas2kUnc8hvxxFWmhsgOvgoJEJfrVmqQ55/8f2ZVvsL8uSBGbw7xVLvrONyVkH8Sbf8KW0OpFVN0 HWuOgDXc882GmHX17a9fXzxJM3ehFzFRacQ+SGXF1clD4m2XsOfXCgWx99UwYJ4pM6/UmUZQoB7MK JvIPfvWIg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1le9ba-000ECF-QV; Wed, 05 May 2021 04:57:50 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1le9bY-000EC5-Jb for linux-nvme@desiato.infradead.org; Wed, 05 May 2021 04:57:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=JQ6IjV4QMpQIwrBJTQeE7iZ4evzpHn/exuTJrETemvA=; b=rs49XJr14jKJjZqU0FsJVaFRfY W74OhyQBG+0tgl/537PQvIfJXIKy0Uc8kXbRost+HDfQx3t3DRNph3g7sprbHEJZVPtl05cjXeEzx 6tg1HydVwOHWNMdoGvJFF2QkzoxEteSFiZAEVhIzSGiZPrRSqJRu+uY6XABh9tSFxw6gZgHyaP2Kj csV1jZNybEqwQF+QCnz7LCnHO2o4+zmnHGspPhsaTQVRnRrsLaDM5l87tYCnQAEwdhh/nJ3TGNs18 Ez1FDOOtaSlDvXnnftSM/K7YpqKUId8+Tv3zNqg+yDrJjOmoKhTUbCceuU0seEo3SRfI4YivYNAUA qX75YjUg==; Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1le9bV-004SxE-Pf for linux-nvme@lists.infradead.org; Wed, 05 May 2021 04:57:47 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id ECA9668AFE; Wed, 5 May 2021 06:57:41 +0200 (CEST) Date: Wed, 5 May 2021 06:57:41 +0200 From: Christoph Hellwig To: Chaitanya Kulkarni Cc: Christoph Hellwig , "linux-nvme@lists.infradead.org" , "sagi@grimberg.me" Subject: Re: [PATCH 0/2] nvmet: consider req->sg_cnt for inline bio Message-ID: <20210505045741.GB11841@lst.de> References: <20210504085613.GA21953@lst.de> MIME-Version: 1.0 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-20210504_215746_000604_0F89DD4D X-CRM114-Status: GOOD ( 14.32 ) 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: , 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 On Tue, May 04, 2021 at 09:16:00PM +0000, Chaitanya Kulkarni wrote: > > > On May 4, 2021, at 1:56 AM, Christoph Hellwig wrote: > > > > How do you get the fragmented scatterlist? Oh I guess this is due to > > nvme-loop not using our page allocator but pages that come the > > block layer? > > Yes, with nvme-loop and the test framework issuing I/Os using malloc allocated buffers with passthru I/O interface. > > With respect to Sagi's comment do you want me to send v2 with fixes tag ? If you have a few spare cycles please do, and also document that this affects nvme-loop only. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme