Received: by 2002:a25:c205:0:0:0:0:0 with SMTP id s5csp2570221ybf; Mon, 2 Mar 2020 11:16:49 -0800 (PST) X-Google-Smtp-Source: ADFU+vuBV1hzMvXFLhIBlwCjh1QF5UAFAHSXDNoxWMOU/oFHSCoXvSlSX6ajlFEuyP5OiZr630fe X-Received: by 2002:a05:6830:1c8:: with SMTP id r8mr538355ota.63.1583176609721; Mon, 02 Mar 2020 11:16:49 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1583176609; cv=none; d=google.com; s=arc-20160816; b=I8eMSKTRJ5nngig7Z3m6J7CMyhXcQuAcYNbRCnMLIZ5K2lkZnK2JuAItSJI1EW8pTm fcU3Er0d+Ht0ObjIlwS/9NZWKCTkZZjkTjRIpIpbZjZ3lupg1juSUSnNF2xxCyHKqWIO IYpG1P9CNdT5mXCMtwgiEu9LIvbzRqUW/8I7kyfIQOwzXteyoNoU0OQi5iuvMleSbCRb iGk42IBJFAsIeN89OzFnwvjV9+FSvhyEIbMnZJuWBJ6MWAC05d8oe3yHyD6vnb1MIJEv BggTLpB6qjODls5dUW3Hd+pjWgXh7o8Hs3BCqfT18Fn6vzxtF7JO28ZkevrMIm0Xp44i JItg== 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=ksy94V/LVrWmwH+la9Ag9qSKlGXOGK/E7d4eRkpEWd0=; b=cOKnab5NZLEpcRx3WhmvKgI2VOjKKy9yVkZkgtRnuiWFWC13ZXbSC6sRvTK29cFrtO rNlobd2kdXMSWy1AXump10Uhlx2ypeBCs4ZX2WaliEjeEqQlnGtxF1XadxKpzYHVk6Z9 YIbyKxODlyp5YpRmcl3uiNuo5CvxAfF30ShdCv0/t/raIZaF4kWflzGc3J7BOtaCURWo iLlxjPNQvHYiTypAGd+m1ycrEZJ6PQEMqnZZ4nkDOeOS4udFHJn3P/ECek2bK2gkDpF4 bU+HFha6xgIjQ7pL2NvBPCl+Gb1tx1sj09PD3g1ZIvyvP+X/5ryQicUfZie8Y6y7ZoHH GKbA== 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 u78si3922020oia.266.2020.03.02.11.16.25; Mon, 02 Mar 2020 11:16:49 -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 S1727126AbgCBTQU (ORCPT + 99 others); Mon, 2 Mar 2020 14:16:20 -0500 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:59943 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726451AbgCBTQT (ORCPT ); Mon, 2 Mar 2020 14:16:19 -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 022JG4Yi020662 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 2 Mar 2020 14:16:05 -0500 Received: by callcc.thunk.org (Postfix, from userid 15806) id 509FC42045B; Mon, 2 Mar 2020 14:16:04 -0500 (EST) Date: Mon, 2 Mar 2020 14:16:04 -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: <20200302191604.GD6826@mit.edu> References: <20200207120758.2411-1-xiaoguang.wang@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org 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. 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)? - Ted