Received: by 2002:a25:c205:0:0:0:0:0 with SMTP id s5csp6079086ybf; Thu, 5 Mar 2020 12:40:56 -0800 (PST) X-Google-Smtp-Source: ADFU+vtmdZcQwOGIMZ0iQuhqTAfmQRfOqPY3I6Zr1cBpZDRwD6vN/afwTLkGd29QC6DV1WVIpmG/ X-Received: by 2002:a9d:6f14:: with SMTP id n20mr243640otq.271.1583440856369; Thu, 05 Mar 2020 12:40:56 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1583440856; cv=none; d=google.com; s=arc-20160816; b=SsNBQXu6s4STWIL5z/Y5H5edR4LIS5jtGE6efp6iFujh0iPXn8jT6y8Dlv10ph0zsl U+Ds1wu7LFRswF4WwS6vwDlZ9TUS/886o+uO5za083r0tdiDTLOqeNEVf/MAPqvYa62k 4DgdDCHB7+iED14vHMUrBchBMaUNsCw8fuMUAljtSpvbrnzKwG/jP5oykBo+uBuZ26iH jWpz01JOtsyDuHhHvKs/GgUdd9gmAGK3IRSx3abkhp6NpFNqzwwGUC1WtKxlydkinBJ/ 6MzcJ14AI074Mgog0GhekEiLlp2VaxY/8UJSby3uKu6fKI/9p13pm6Cjxevls6pEmpBY +QOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=FLw6o9RWitKxYGwQtzyH9q1NY1HDdI499ZkPJIp4tHU=; b=OqrktQp8dCFN9REccN/5uYcHnUplcNFBCxOJSGPGZSBSHtAxga0H9ZVOmb/ecfkgbU MEbQzhMSGBe2STXA4BB2QJYSRDnxweaYmgCHTk+/i83rEHS4VAxhzqh35oRUOFd2vcEr vjkMK5pBxwipJ4UpAjESNJHi6M7ByUmVIjGutfqqYnbFh5cPxIlvoQYws9jHdtJGP3eR C9HMb14+bE62uoNRwxTr8Dnc9DZTkI0JQ3mVYzr3LvNQkHVuR9ZkXUtfIKGvHg6Fg8MI o+87BqPFCyIGoFOTtoOQdyNYjLNq6Y+UKtiQ+5k4ttAZWoj8Mm/DrpGiVxSULHPWpWJb YO2A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id b14si39783ots.62.2020.03.05.12.40.45; Thu, 05 Mar 2020 12:40:56 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726141AbgCEUko (ORCPT + 99 others); Thu, 5 Mar 2020 15:40:44 -0500 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:45161 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726092AbgCEUko (ORCPT ); Thu, 5 Mar 2020 15:40:44 -0500 Received: from callcc.thunk.org (guestnat-104-133-0-105.corp.google.com [104.133.0.105] (may be forged)) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 025KeYCG001562 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 5 Mar 2020 15:40:35 -0500 Received: by callcc.thunk.org (Postfix, from userid 15806) id 765EA42045B; Thu, 5 Mar 2020 15:40:34 -0500 (EST) Date: Thu, 5 Mar 2020 15:40:34 -0500 From: "Theodore Y. Ts'o" To: Xiaoguang Wang Cc: linux-ext4@vger.kernel.org, jack@suse.cz, joseph qi Subject: Re: [PATCH] ext4: start to support iopoll method Message-ID: <20200305204034.GC20967@mit.edu> References: <20200207120758.2411-1-xiaoguang.wang@linux.alibaba.com> <20200302191604.GD6826@mit.edu> <22af3309-cccf-57a8-af35-32c9e5fa06ca@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <22af3309-cccf-57a8-af35-32c9e5fa06ca@linux.alibaba.com> Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Wed, Mar 04, 2020 at 09:40:54PM +0800, Xiaoguang Wang wrote: > hi, > > Sorry for being late. > > On Mon, Mar 02, 2020 at 05:17:09PM +0800, Xiaoguang Wang wrote: > > > hi, > > > > > > Ted, could you please consider applying this patch? Iouring polling > > > tests in ext4 needs this patch, Jan Kara has nicely reviewed this patch, thanks. > > > > Yeah, I had been waiting to make sure the fix: "io_uring: fix > > poll_list race for SETUP_IOPOLL|SETUP_SQPOLL" was going to land. > I confirmed that it had been merged into mainline. > > > > > Am I correct that the bug fixed in the above fix isn't going to impact > > xfstests (since it looks like there are no fio runs with the io_uring > > engine at the moment)? > Yes, I have run xfstests with "-g auto", with or without this patch, there always > are six same failed test cases, so I think it won't impact current xfstests, thanks. Thanks, applied. - Ted