Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp3177933pxj; Sun, 20 Jun 2021 12:29:12 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwbNjIvi/reAwmVcRZ0LdidBMayOqnVKsfEDITfVYHWm7IfF2IcnPBd/oyYdtjrD69R2dE4 X-Received: by 2002:a02:335c:: with SMTP id k28mr13792954jak.4.1624217352777; Sun, 20 Jun 2021 12:29:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624217352; cv=none; d=google.com; s=arc-20160816; b=1KBwS0+n1q1CMi71mXHDd8WXhotdCN5W/yXcYbOXKzE9A4QifK2sH318MLdkfFBd8B e31RHmSTB5Uaen+aGwZpB/j8TbjbJ1y/40oEZUPJY16KBoDP7CVhTry9P2ydKWhD9Fom 85w4gS/DK7Z8ZN2MqUDSnpOieSVEPpzCM1gv03Y9tIJUL7/m9lz+J67WRwU8R57121rL im8lWGZJukjnl9P9qaTn9DyP95la4QL9bistz2Cl6N+a3FeJBbaib9bqpsr1nmk1K0wk dWZ2F9nATU0n69zliYr1qyfvNGf011TcNlYxT9W3+/jzCYPwo4Wj+swmxjcyAkN2gnfF pzag== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:organization:references:in-reply-to:date:to:from:subject :message-id; bh=dunhw/s+USGdKFQpKsSJmkfBXhquMi4EVFeGw4Ed9gk=; b=ai626Wm8gHv7a9wVckCHb9S/JE2WPiKlKhBm6WxXVci/T3UHs16dyCoxrLx/eJtXZJ FssaXN0nCfPtWxak04E/B+0uBS8rY7scP+s1F95vZFgvKNdNl/hM+HDvkmy4NGBS6SLN cfN7QIqrU6AhkGjkjxcnUhwYKPYnZGJRHqx7Smqs5VcI/Ci2Cai6x9a/qwf8Fgm3SA73 +XVcpH0O6q7wipHdr+gJ6RtPAn8l7dKJUomVbI+WjvLxoJFal9PqtHQzeUM1d5l8Th+/ rG3RNISgzY4ciFm1GI19BtYgo4iOWIIti5Wynxu6ulCQ5mWdHqoMpBTl3h6n53w3cYfU 7BJA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id m25si16579940ioo.79.2021.06.20.12.29.00; Sun, 20 Jun 2021 12:29:12 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229899AbhFTTan (ORCPT + 99 others); Sun, 20 Jun 2021 15:30:43 -0400 Received: from cloud48395.mywhc.ca ([173.209.37.211]:38800 "EHLO cloud48395.mywhc.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229708AbhFTTam (ORCPT ); Sun, 20 Jun 2021 15:30:42 -0400 Received: from modemcable064.203-130-66.mc.videotron.ca ([66.130.203.64]:33254 helo=[192.168.1.179]) by cloud48395.mywhc.ca with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1lv37H-000547-Va; Sun, 20 Jun 2021 15:28:24 -0400 Message-ID: Subject: Re: [PATCH v2] io_uring: reduce latency by reissueing the operation From: Olivier Langlois To: Randy Dunlap , Jens Axboe , Pavel Begunkov , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Date: Sun, 20 Jun 2021 15:28:21 -0400 In-Reply-To: References: Organization: Trillion01 Inc Content-Type: text/plain; charset="ISO-8859-1" User-Agent: Evolution 3.40.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - cloud48395.mywhc.ca X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - trillion01.com X-Get-Message-Sender-Via: cloud48395.mywhc.ca: authenticated_id: olivier@trillion01.com X-Authenticated-Sender: cloud48395.mywhc.ca: olivier@trillion01.com X-Source: X-Source-Args: X-Source-Dir: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2021-06-20 at 12:07 -0700, Randy Dunlap wrote: > On 6/20/21 12:05 PM, Olivier Langlois wrote: > > -???????????????return false; > > +???????????????return ret?IO_ARM_POLL_READY:IO_ARM_POLL_ERR; > > Hi, > Please make that return expression more readable. > > How exactly? by adding spaces? Changing the define names??