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=-2.5 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 DA5EEC282DA for ; Wed, 17 Apr 2019 21:40:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7CA32186A for ; Wed, 17 Apr 2019 21:40:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=osandov-com.20150623.gappssmtp.com header.i=@osandov-com.20150623.gappssmtp.com header.b="H979Z0A0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729099AbfDQVkZ (ORCPT ); Wed, 17 Apr 2019 17:40:25 -0400 Received: from mail-pf1-f193.google.com ([209.85.210.193]:44127 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725848AbfDQVkZ (ORCPT ); Wed, 17 Apr 2019 17:40:25 -0400 Received: by mail-pf1-f193.google.com with SMTP id y13so64115pfm.11 for ; Wed, 17 Apr 2019 14:40:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osandov-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=wDaJRhkBAXEhybk4i42gb/avmEZoj5yUWgW0zAY3o1A=; b=H979Z0A07HUx/VAlZJ7jiiO7iOsDWml2EPLjeyPaSD03ZPIppPub0PCAbJPOcFfW6N F/5EZ5nGXpKns8qsctQrSbgGfeEUjxIHQNeRriTD1r57VkkZIH2U+cFESHF690zCyhzQ GzIuCJ6B69YgYtz9Y+kcCdte8oJ6YbSDRUEvZxPSIBCaoGif+P+QOI326JbZr+27utJu F64PBABtfGmYeM1ML7wYki5oqwX0jpXef89RgaG3nAdQrENo1fewKl5o/VPArapRnSuE n+dogkbhKz1maxpn12x8jIjCf7Jnn/rd55UHZ9SaNtdb7bZacQHbOMLhVkO69eJ5Pi+x U+bA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=wDaJRhkBAXEhybk4i42gb/avmEZoj5yUWgW0zAY3o1A=; b=TolUMRemuGErvpqqm2MtHmJiny2GErdlpdc73bmR/uqIP0gDdUyXdrsB9uEyPCdjgI aLmDTu3uJ94jbYGiprdJ9yMyaEspzoCobfamX5xoTSqZBJEAeCH3yKiItbIpxmIZfV6N 8rD4mdylkWPj5B++//+vC0oKqySjFdXxLKm+4fpsBsdX/yY6tXorYgnbaxix4UTk1mqu sUblAvu15Px/1WKbRMiQwBAeYER57mrRpw+RBUCT0ju6NTGvMuwZksqAcLz6jg7Gq6R5 /QeSTexCH3NEwYJYHJaORf7jPkWy461kOkozyMfLpTLlQnR8aBi8zj91tizDRK3C4rrd wXzw== X-Gm-Message-State: APjAAAUh0nQ37M+5BqY+PoUgrmvm9a3wutXWNmGKqt8ntpLZDanJTBFv 5EqzTnDvr2tntk6FY5VzJaGngw== X-Google-Smtp-Source: APXvYqx25BpsEVB4RHJWZ38KLKauivVg0qFA/vbZjXDVfprdxIMCV+gUj0/nB4sS90JuZbiN7Zo5SQ== X-Received: by 2002:aa7:8494:: with SMTP id u20mr64421720pfn.76.1555537224315; Wed, 17 Apr 2019 14:40:24 -0700 (PDT) Received: from vader ([2620:10d:c090:180::8abe]) by smtp.gmail.com with ESMTPSA id i129sm164974pfc.163.2019.04.17.14.40.23 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 17 Apr 2019 14:40:23 -0700 (PDT) Date: Wed, 17 Apr 2019 14:40:23 -0700 From: Omar Sandoval To: Ming Lei Cc: Omar Sandoval , linux-block@vger.kernel.org, Eric Sandeen , Dave Chinner , "Darrick J. Wong" , linux-xfs@vger.kernel.org Subject: Re: [PATCH] nvme/012 & 013: avoid extremely slow xfs IO Message-ID: <20190417214023.GA18727@vader> References: <20190415012229.20689-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190415012229.20689-1-ming.lei@redhat.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Mon, Apr 15, 2019 at 09:22:29AM +0800, Ming Lei wrote: > It is observed that nvme/012 may take ~17 minutes to complete on aarch64, > even worse it may trigger IO timeout on nvme-loop. > > Eric and Dave replied that it is because of too small log size on small > disk. > > So pass '-l size=32m' to avoid the issue. > > With this patch, nvme/012 can be completed in one minute. Nice: nvme/012 (run mkfs and data verification fio job on NVMeOF block device-backed ns) [passed] runtime 402.605s ... 27.431s Thanks, Ming, applied.