From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07440C28CBC for ; Wed, 6 May 2020 21:46:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D47F12075E for ; Wed, 6 May 2020 21:46:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="MGdYGie0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729162AbgEFVqT (ORCPT ); Wed, 6 May 2020 17:46:19 -0400 Received: from smtp-fw-4101.amazon.com ([72.21.198.25]:27983 "EHLO smtp-fw-4101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729114AbgEFVqT (ORCPT ); Wed, 6 May 2020 17:46:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1588801579; x=1620337579; h=from:to:cc:subject:date:message-id: content-transfer-encoding:mime-version; bh=JNkcS4lsuZP0g7EBRi8SqcPYsteUbR5HjYFGz6aCANU=; b=MGdYGie00Ga1hY85/V2OgWhWmqHx0LWf+e4GenzUej95sMJuhfxkrQEa IZ4HJ2Nx33Nq6YedvAU9S206wIDNfymOnGoz6iobQ1trmgla+5h5tNpMG ebtjenit0ek7jxOQVFS2/u2BD2TzfL823a9UeZ5OXhdwke0/1BJj9sy/z Y=; IronPort-SDR: Dnna7WK3ceP+0wLejHEVsDRD4obr4ubGcCU4cveKcSXt1Hbq/PbOf6QlazSfuIEqE1J+QWdDXv cHoyFC+w43Pg== X-IronPort-AV: E=Sophos;i="5.73,360,1583193600"; d="scan'208";a="29103268" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-2b-55156cd4.us-west-2.amazon.com) ([10.43.8.6]) by smtp-border-fw-out-4101.iad4.amazon.com with ESMTP; 06 May 2020 21:46:06 +0000 Received: from EX13MTAUEA002.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2b-55156cd4.us-west-2.amazon.com (Postfix) with ESMTPS id ECF6EA24E1 for ; Wed, 6 May 2020 21:46:04 +0000 (UTC) Received: from EX13D10UEA003.ant.amazon.com (10.43.61.26) by EX13MTAUEA002.ant.amazon.com (10.43.61.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 6 May 2020 21:46:04 +0000 Received: from EX13D14UWB001.ant.amazon.com (10.43.161.158) by EX13D10UEA003.ant.amazon.com (10.43.61.26) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 6 May 2020 21:46:03 +0000 Received: from EX13D14UWB001.ant.amazon.com ([10.43.161.158]) by EX13D14UWB001.ant.amazon.com ([10.43.161.158]) with mapi id 15.00.1497.006; Wed, 6 May 2020 21:46:03 +0000 From: "Bhatia, Sumeet" To: "io-uring@vger.kernel.org" CC: "Hegde, Pramod" Subject: Non sequential linked chains and IO_LINK support Thread-Topic: Non sequential linked chains and IO_LINK support Thread-Index: AQHWI+9s4Fi5GrZNSkiih0IwBQ/oNA== Date: Wed, 6 May 2020 21:46:03 +0000 Message-ID: <1588801562969.24370@amazon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.162.38] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org SGVsbG8gZXZlcnlvbmUsCgpJJ3ZlIGJlZW4gZXhwbG9yaW5nIGlvdXJpbmcgdG8gc3VibWl0IGRp c2sgb3BlcmF0aW9ucy4gTXkgYXBwbGljYXRpb24gZ2VuZXJhdGVzIGRpc2sgb3BlcmF0aW9ucyBi YXNlZCBvbiBzb21lIGV2ZW50cyBhbmQgb3BlcmF0aW9ucyBhcmUgdW5rbm93biB1bnRpbCB0aG9z ZSBldmVudHMgb2NjdXIuICBTb21lIG9mIHRoZXNlIGRpc2sgb3BlcmF0aW9ucyBhcmUgaW50ZXJk ZXBlbmRlbnQgb3RoZXJzIGFyZSBub3QuIAoKRXhhbXBsZTogRm9sbG93aW5nIG9wZXJhdGlvbnMg YXJlIGdlbmVyYXRlZCBhbmQgc3VibWl0dGVkIGJlZm9yZSBhbnkgb2YgdGhlbSBhcmUgY29tcGxl dGUKb3BlcmF0aW9uXzAgKGluZGVwZW5kZW50IG9wZXJhdGlvbikKb3BlcmF0aW9uXzEgKGluZGVw ZW5kZW50IG9wZXJhdGlvbiks4oCLCm9wZXJhdGlvbl8yICh0byBiZSBpc3N1ZWQgb25seSBpZiBv cGVyYXRpb25fMCB3YXMgc3VjY2Vzc2Z1bCksCm9wZXJhdGlvbl8zIChpbmRlcGVuZGVudCBvcGVy YXRpb24pLApvcGVyYXRpb25fNCAodG8gYmUgaXNzdWVkIG9ubHkgaWYgb3BlcmF0aW9uXzEgd2Fz IHN1Y2Nlc3NmdWwpCgpJbiBteSBleGFtcGxlIEkgaGF2ZSB0d28gaW5kZXBlbmRlbnQgbGluayBj aGFpbnMsIChvcGVyYXRpb25fMCwgb3BlcmF0aW9uXzIpIGFuZCAob3BlcmF0aW9uXzEsIG9wZXJh dGlvbl80KS4gIGlvdXJpbmcgZG9jdW1lbnRhdGlvbiBzdWdnZXN0cyBJT1NRRV9JT19MSU5LIGV4 cGVjdHMgbGluayBjaGFpbnMgdG8gYmUgc2VxdWVudGlhbCBhbmQgd2lsbCBub3Qgc3VwcG9ydCBt eSB1c2UgY2FzZS4gCgpJIGV4cGxvcmVkIGNyZWF0aW5nIG5ldyBpb3VyaW5nIGNvbnRleHQgZm9y IGVhY2ggb2YgdGhlc2UgbGlua2VkIGNoYWlucy4gQnV0IGl0IHR1cm5zIG91dCBkZXBlbmRpbmcg b24gZGlzayBzaXplIHRoZXJlIGNhbiBiZSBzb21ld2hlcmUgYmV0d2VlbiA1MDAtMTAwMCBzdWNo IGNoYWlucy4gSSdtIG5vdCBzdXJlIHdoZXRoZXIgaXQgaXMgcHJ1ZGVudCB0byBjcmVhdGUgdGhh dCBtYW55IGlvdXJpbmcgY29udGV4dHMuCgpJIGFtIHJlYWNoaW5nIG91dCB0byBjaGVjayB3aGV0 aGVyIHRoZXJlIHdvdWxkIGJlIGEgZ2VuZXJpYyBuZWVkIHRvIHN1cHBvcnQgbm9uc2VxdWVudGlh bCBsaW5rZWQgY2hhaW5zIG9uIGEgc2luZ2xlIGlvdXJpbmcgY29udGV4dC4gV291bGQgbG92ZSB0 byBoZWFyIGFsbCB5b3VyIHRob3VnaHRzLgoKVGhhbmtzLApTdW1lZXQ=