Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp755801pxj; Wed, 16 Jun 2021 12:51:26 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzYnjhyg0nb9OOr5tWdgUKZ2wEEvLf4/sOly88rFc0/Utetyms45r0qjS8tYiShZ+Y21sQP X-Received: by 2002:a92:c152:: with SMTP id b18mr902014ilh.282.1623873086495; Wed, 16 Jun 2021 12:51:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623873086; cv=none; d=google.com; s=arc-20160816; b=diHeDfoRjsjxGB5ke3yNZX3vYw18zleQUNS1VuB7pGJ7UHSUO/gjclZOQ3tzoOFEQj Fkq26XRjKOkOibBMuGE0K2Di0S9j92/tPgLj/Pj6nvSy4NA8C1f+reMXpKJtwjE7oMtK 83esgp92AfzNRTh4Vrh26ZIjJ5TGl8AhuxRMhfyUxxCfj9mvXoCiuYn7kq91wys2L6Dh sU+W24JEeXe/40UeP1Cb9TccmnFUPUN9vT0ynIrl9TT80IkJg4TAdXEt0xDAKqyzVXCB 4E5cV+W48aVD9Xasel/EsiCDP7whM0N4/msxAkZ/Fzkr5VpgTSTZCLgNAY5FsZW7RADk RqFw== 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=du4xDxqfMGUp1JPln2t3+vaw/68+xL7VlkThWSGJoJE=; b=XQ0Rv0/CBw9lksA1QQ5+0ccHgpc9qhgN6sSnTSBtvqgZmIlo1R10U6ejfUiaDKLWeq tYOgirlZ6lFTa7xS3M4kLLw6k8KCUR3D1P4CShXHJEF22UUDJGdjNepJNWOoU2cwc+fI hfWGM1Ade5QwxMn3lSeHCenCH+Q1gD939sCd13ozVTaSNDZUV6VkPaKQxN34I14d7Wl7 eeS6mI08XIEDL+G/I6YQ7Rg2S3POEAdERupn+YAuiTYa127zi6g5nP/V30Z71yCnRMtu H2jNSX/PnFmRDZPrXM3a+Rp6nYIEfkrJu8stZ6Xp2binkSnf5s3C7G93wfUC6eHIGyIM brbA== 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 a11si3435780jap.60.2021.06.16.12.51.14; Wed, 16 Jun 2021 12:51:26 -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 S233222AbhFPNo5 (ORCPT + 99 others); Wed, 16 Jun 2021 09:44:57 -0400 Received: from cloud48395.mywhc.ca ([173.209.37.211]:56044 "EHLO cloud48395.mywhc.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232658AbhFPNoy (ORCPT ); Wed, 16 Jun 2021 09:44:54 -0400 Received: from modemcable064.203-130-66.mc.videotron.ca ([66.130.203.64]:32854 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 1ltVoc-0005pO-5A; Wed, 16 Jun 2021 09:42:46 -0400 Message-ID: <4f32f06306eac4dd7780ed28c06815e3d15b43ad.camel@trillion01.com> Subject: Re: [PATCH] io_uring: store back buffer in case of failure From: Olivier Langlois To: Jens Axboe , Pavel Begunkov , io-uring@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 16 Jun 2021 09:42:45 -0400 In-Reply-To: References: <60c83c12.1c69fb81.e3bea.0806SMTPIN_ADDED_MISSING@mx.google.com> <93256513-08d8-5b15-aa98-c1e83af60b54@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 Tue, 2021-06-15 at 15:51 -0600, Jens Axboe wrote: > Ditto for this one, don't see it in my email nor on the list. > I can resend you a private copy of this one but as Pavel pointed out, it contains fatal flaws. So unless someone can tell me that the idea is interesting and has potential and can give me some a hint or 2 about how to address the challenges to fix the current flaws, it is pretty much a show stopper to me and I think that I am going to let it go...