Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp3218288pxj; Sun, 20 Jun 2021 13:58:05 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzqDBAp016/0VEYx1byvnBc3CsaVCICI5GYnBxqBdacYlTXqgHXmBeO3m9Kzdth7Hq5xA5A X-Received: by 2002:a17:907:6e4:: with SMTP id yh4mr21565881ejb.86.1624222684909; Sun, 20 Jun 2021 13:58:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624222684; cv=none; d=google.com; s=arc-20160816; b=VeHwaKEFIaFSQN4ncZCBGO++/iWKmYmL9kpAfUW5iryPGjGnDH15bFULzcU2n0nnjK ZycpVyNQvl6JWiMLj2XrkZvXSbnBs67mXKaXQ3SQY0lg6FpVRAyukfS2BOFex0KxMf9T RnwnC1hhe1Jh7PW+pzEiGxNs5oo0H6ev0YCiR2UeKR+7938r+/jjPNoiPgdAcP8RXl7W M8uLkrDeKV+Y8NvwfAyQhwqFUjJZxSn1X1KX5oK9XAsr6gow23YINkrLc8+cD4w9aZfh A1rpXybfQJgGBK5FEhWlNCWhR8BdzaC8ig4JURAKYQYSr4YFB5fiLQhMfZmu8j1HufL0 o8gg== 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=Q+jf2L09RVFVQnaWKv2FpotPNRSCMkt/zbpo/G6mZQ4=; b=rETWkYBeqiRtrE0WUqf4sU+IkRRgc/186xX0bjNOe+pV6mIJLNpjc4Qn+TaZs6l8Ex 5i7gvXGrFRvOqmv6tCplnf3zSs48FKjqHCOxMk+oJe3tNCgAWtobAMINCEgaoqygJNRE po/IWvaIOORlhiVfP6EnQt+CukHPt37PDb/I26Ye52FX6tHLcaPn8FP71gOnEWLFgGG9 Wo1X72Hg455jOfi0joUibRMAfvcZfQdlhAq/8yYrepP5vA2R9rjDIOd7lXrX/qEat9Tp A2nfExdQKiWHxCnlzF11dzUx/RTckZzI/VWxlv95fnfBl1P4SFgDhrJSOdTV7upBX1Tr x5fw== 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 30si8536933ejh.725.2021.06.20.13.57.42; Sun, 20 Jun 2021 13:58:04 -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 S230212AbhFTU6q (ORCPT + 99 others); Sun, 20 Jun 2021 16:58:46 -0400 Received: from cloud48395.mywhc.ca ([173.209.37.211]:34076 "EHLO cloud48395.mywhc.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229845AbhFTU6q (ORCPT ); Sun, 20 Jun 2021 16:58:46 -0400 Received: from modemcable064.203-130-66.mc.videotron.ca ([66.130.203.64]:33264 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 1lv4Ua-0000HV-Jt; Sun, 20 Jun 2021 16:56:32 -0400 Message-ID: Subject: Re: [PATCH v2] io_uring: reduce latency by reissueing the operation From: Olivier Langlois To: Pavel Begunkov , Jens Axboe , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Date: Sun, 20 Jun 2021 16:56:31 -0400 In-Reply-To: <7ed2ecd3-6335-7c47-5915-054b811f92e5@gmail.com> References: <61668060-6401-ccc0-06e8-29d6320b720a@gmail.com> <7ed2ecd3-6335-7c47-5915-054b811f92e5@gmail.com> Organization: Trillion01 Inc Content-Type: text/plain; charset="ISO-8859-1" User-Agent: Evolution 3.40.2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit 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 21:03 +0100, Pavel Begunkov wrote: > On 6/20/21 8:56 PM, Pavel Begunkov wrote: > > On 6/20/21 8:05 PM, Olivier Langlois wrote: > > > > > > > It's not really an error. Maybe IO_APOLL_ABORTED or so? > > fwiw, I mean totally replacing *_ERR, not only this return > this is how I understood the remark. I will change it as you suggested