Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp9233539ybi; Wed, 10 Jul 2019 06:55:03 -0700 (PDT) X-Google-Smtp-Source: APXvYqwMDaKxUXX7YPffw1SZ+uUuG1vB4mvq9lo3EUuRyz6Z41lapdcxianeMh5Dogf7NjPGXlrF X-Received: by 2002:a17:90a:b903:: with SMTP id p3mr7033037pjr.79.1562766903378; Wed, 10 Jul 2019 06:55:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1562766903; cv=none; d=google.com; s=arc-20160816; b=zLHWjgA6RlrJFw6lvRbROSFsjnxUkqmkeVBaWpE8WQ1PRnj+jw7fhafXIoBZIrFYY0 BFetKAzglaSU040z8wVvOISiU20LhEakOzpbOknWgg7A8sD93mj3baYd20mDQdFeqdGQ LTNu+8mdhHknd/DfeCZ1orjKBcMUl9aTkk84cyuAUHv3CGMdVOL8IJE8Nlq/GgBQJTyv EDo+u55a7R8O1Sht/Up+lXmVGm8KOp6Hfip3QUMXIU0lJSqT/gWPacskMq7Dfc9/oGmf Z3DtSDzrkuUbUVRaAFrnLNXkCU6UaRGAYipS6TwNB3fnKulT8HzRnoU5IIqrD2YBwYEA FrFA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:content-language:accept-language:in-reply-to:references :message-id:date:thread-index:thread-topic:subject:cc:to:from :dkim-signature:dkim-signature; bh=LSwHuOqw8ORrZCDHQsvG/QYCfmhr2ELeIl/jkZcYWrM=; b=ddVZ+is8GsRuD2/5UYkBjLgpYI1I26MPzpe3QU1Ffc2YDnkVZbP79vcK9bsTEJ7vT3 sRp8B7FjeufOktc3XwRrhsCpdXQgxiX3tiKsQXTIIKTBTusqieeQ+GT12FiEDww5a6Wy 5qePiX+EbgMRpUcRttGH4admNV54WrK2Lbz0bP+2I3Im6ub9LFXpxlOlKHMy2hDP8eHZ HIFaEwbohBguafl4YHI1nN0i0HthrcD3VqDQrd+s5qYGSPUZ2YeRfO/CpzAskjqSiYnF XOlxj4/rPj77GSvuLI27NSBkke9zz5xGS9UROEN2IaG5ahprFRCuErp++Kcv07xWUU6e hMpw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@fb.com header.s=facebook header.b=ekrWL8wK; dkim=pass header.i=@fb.onmicrosoft.com header.s=selector1-fb-onmicrosoft-com header.b=iZ1LC1mM; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=fb.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t36si2423267pga.32.2019.07.10.06.54.47; Wed, 10 Jul 2019 06:55:03 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@fb.com header.s=facebook header.b=ekrWL8wK; dkim=pass header.i=@fb.onmicrosoft.com header.s=selector1-fb-onmicrosoft-com header.b=iZ1LC1mM; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=fb.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727807AbfGJNxY (ORCPT + 99 others); Wed, 10 Jul 2019 09:53:24 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:47502 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727528AbfGJNxX (ORCPT ); Wed, 10 Jul 2019 09:53:23 -0400 Received: from pps.filterd (m0109333.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x6ADnPQI031198; Wed, 10 Jul 2019 06:53:13 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=facebook; bh=LSwHuOqw8ORrZCDHQsvG/QYCfmhr2ELeIl/jkZcYWrM=; b=ekrWL8wKWAmJd8pkzTY5jcY2oge6wvGrdYpvnMj9Cj9fmEAKW7e0ApVFklpBAHMDJ6eP GqPnYsu+6Amr0GGwcxrTHOc0d5QH/VMpUt83Sa+nSQj8JburLiCBCAg7lCVQ7vZiRBH6 SIxrFOCHsY07afc7RcTE0H+kZ/9HUIM2Upc= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com with ESMTP id 2tngys825v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 10 Jul 2019 06:53:13 -0700 Received: from ash-exhub104.TheFacebook.com (2620:10d:c0a8:82::d) by ash-exhub102.TheFacebook.com (2620:10d:c0a8:82::f) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Wed, 10 Jul 2019 06:53:12 -0700 Received: from NAM02-BL2-obe.outbound.protection.outlook.com (100.104.31.183) by o365-in.thefacebook.com (100.104.35.175) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.1713.5 via Frontend Transport; Wed, 10 Jul 2019 06:53:12 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com; s=selector1-fb-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=LSwHuOqw8ORrZCDHQsvG/QYCfmhr2ELeIl/jkZcYWrM=; b=iZ1LC1mMRY8xJ1ECViknKbIr3unLR+50cpkhd8oACciYH4s45J25+GYo1vZfaqgUIFNKzuDrdswbO2O6+EuFhEpfE6Hq9RrEWuKFad2z9cCArLOXnDponvnhY7HPIw9IQf0a2VDT34a83+0MVpG4mm93zkWQDNH+mmdddr2ZSfk= Received: from CY4PR15MB1463.namprd15.prod.outlook.com (10.172.159.10) by CY4PR15MB1638.namprd15.prod.outlook.com (10.175.119.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2052.19; Wed, 10 Jul 2019 13:53:11 +0000 Received: from CY4PR15MB1463.namprd15.prod.outlook.com ([fe80::7d62:c9a2:b34e:74fd]) by CY4PR15MB1463.namprd15.prod.outlook.com ([fe80::7d62:c9a2:b34e:74fd%6]) with mapi id 15.20.2052.019; Wed, 10 Jul 2019 13:53:11 +0000 From: Jens Axboe To: Tejun Heo , "axboe@kernel.dk" CC: "jack@suse.cz" , "josef@toxicpanda.com" , Chris Mason , "dsterba@suse.com" , "linux-block@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-btrfs@vger.kernel.org" , Kernel Team Subject: Re: [PATCHSET for-5.3/block] block: add blkcg bio punt mechanism Thread-Topic: [PATCHSET for-5.3/block] block: add blkcg bio punt mechanism Thread-Index: AQHVLSiKTltqM2bkpE2zuxFAnfDaGabD80mA Date: Wed, 10 Jul 2019 13:53:11 +0000 Message-ID: References: <20190627203952.386785-1-tj@kernel.org> In-Reply-To: <20190627203952.386785-1-tj@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: CH2PR07CA0004.namprd07.prod.outlook.com (2603:10b6:610:20::17) To CY4PR15MB1463.namprd15.prod.outlook.com (2603:10b6:903:fa::10) x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [65.144.74.34] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7a7e2d01-0f5b-4854-236b-08d7053df255 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:CY4PR15MB1638; x-ms-traffictypediagnostic: CY4PR15MB1638: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7219; x-forefront-prvs: 0094E3478A x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(39860400002)(376002)(136003)(346002)(366004)(396003)(199004)(189003)(110136005)(5660300002)(66476007)(81166006)(71200400001)(53546011)(486006)(36756003)(66066001)(476003)(66556008)(25786009)(2616005)(4326008)(31696002)(14444005)(8676002)(316002)(68736007)(66946007)(11346002)(81156014)(64756008)(446003)(8936002)(229853002)(66446008)(2906002)(3846002)(6116002)(54906003)(52116002)(386003)(6506007)(14454004)(26005)(186003)(99286004)(6436002)(478600001)(71190400001)(256004)(305945005)(2501003)(86362001)(53936002)(102836004)(31686004)(7736002)(76176011)(6246003)(6512007)(6486002);DIR:OUT;SFP:1102;SCL:1;SRVR:CY4PR15MB1638;H:CY4PR15MB1463.namprd15.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: fb.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: Kgg6ko+EVOYH4m2T0iyq8q31ANoSwocdu8shUmYMeGhIFJxNpxb/bkVW92WwZMop0EFqlJLPY2jXFI/40kDUWpy5ZVP7fsu5EyPy6ERW6eUkrOPNsvt4ZYcavXY2iBfMeZfDFigr+CQIwkHozYdvMykJrVTC8w854gptrhW54otZWC5MfFIRk6KOVl+T8ccToS7+/wuk9nG8cJKoKb1dso5PI/esZh8/t6Wooccph1GchR2DOYlk8Wm6orELF6tPDXxZgiE0X/ZVJhdL3ZtQMF8kCszs1a9sM2cM8peotlwv84jYjxlOWqwL6lBPaapzxztr0deOYZlzRz2O1cR24yH9alxc1LyPWqHO7SXAkoqAsioQEcUNUD47W/+I4olwss6lbWr5L+yS72/8wBfucyDqMuA1E0uGtnS/e3OYOuY= Content-Type: text/plain; charset="utf-8" Content-ID: <791AA76E10A6A84997426D2AA76AE3C3@namprd15.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 7a7e2d01-0f5b-4854-236b-08d7053df255 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Jul 2019 13:53:11.5586 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: axboe@fb.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR15MB1638 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-10_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907100162 X-FB-Internal: deliver Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gNi8yNy8xOSAyOjM5IFBNLCBUZWp1biBIZW8gd3JvdGU6DQo+IEhlbGxvLA0KPiANCj4gVGhp cyBwYXRjaHNldCBjb250YWlucyBvbmx5IHRoZSBibG9jayBwYXJ0IG9mIHRoZSBmb2xsb3dpbmcN Cj4gDQo+ICAgIFsxXSBbUEFUQ0hTRVQgdjIgYnRyZnMvZm9yLW5leHRdIGJsa2NnLCBidHJmczog Zml4IGNncm91cCB3cml0ZWJhY2sgc3VwcG9ydA0KPiANCj4gd2l0aCB0aGUgZm9sbG93aW5nIGNo YW5nZXMNCj4gDQo+ICAgKiB3YmNfYWNjb3VudF9pbygpIGlzIHJlbmFtZWQgdG8gd2JjX2FjY291 bnRfY2dyb3VwX293bmVyKCkgYW5kDQo+ICAgICB3YmMtPm5vX2FjY291bnRfaW8gdG8gd2JjLT5u b19jZ3JvdXBfb3duZXIgZm9yIGNsYXJpdHkuDQo+IA0KPiBXaGVuIHdyaXRlYmFjayBpcyBleGVj dXRlZCBhc3luY2hyb25vdXNseSAoZS5nLiBmb3IgY29tcHJlc3Npb24pLCBiaW9zDQo+IGFyZSBi b3VuY2VkIHRvIGFuZCBpc3N1ZWQgYnkgd29ya2VyIHBvb2wgc2hhcmVkIGJ5IGFsbCBjZ3JvdXBz LiAgVGhpcw0KPiBsZWFkcyB0byBzaWduaWZpY2FudCBwcmlvcml0eSBpbnZlcnNpb25zIHdoZW4g Y2dyb3VwIElPIGNvbnRyb2wgaXMgaW4NCj4gdXNlIC0gSU9zIGZvciBhIGxvdyBwcmlvcml0eSBj Z3JvdXAgY2FuIHRpZSBkb3duIHRoZSB3b3JrZXJzIGZvcmNpbmcNCj4gaGlnaGVyIHByaW9yaXR5 IElPcyB0byB3YWl0IGJlaGluZCB0aGVtLg0KPiANCj4gVGhpcyBwYXRjaHNldCBhZGRzIGFuIGJp byBwdW50IG1lY2hhbmlzbSB0byBibGtjZyBhbmQgdXBkYXRlcyBidHJmcyB0bw0KPiBpc3N1ZSBh c3luYyBJT3MgdGhyb3VnaCBpdC4gIEEgYmlvIHRhZ2dlZCB3aXRoIFJFUV9DR1JPVVBfUFVOVCBm bGFnIGlzDQo+IGJvdW5jZWQgdG8gdGhlIGFzeW5jaHJvbm91cyBpc3N1ZSBjb250ZXh0IG9mIHRo ZSBhc3NvY2lhdGVkIGJsa2NnIG9uDQo+IGJpb19zdWJtaXQoKS4gIEFzIHRoZSBiaW9zIGFyZSBp c3N1ZWQgZnJvbSBwZXItYmxrY2cgd29yayBpdGVtcywNCj4gdGhlcmUncyBubyBjb25jZXJuIGZv ciBwcmlvcml0eSBpbnZlcnNpb25zIGFuZCBpdCBkb2Vzbid0IHJlcXVpcmUNCj4gaW52YXNpdmUg Y2hhbmdlcyB0byB0aGUgZmlsZXN5c3RlbXMuICBUaGUgbWVjaGFuaXNtIHNob3VsZCBiZQ0KPiBn ZW5lcmFsbHkgdXNlZnVsIGZvciBJTyBjb250cm9sIHN1cHBvcnQgYWNyb3NzIGRpZmZlcmVudCBm aWxlc3lzdGVtcy4NCg0KQXBwbGllZCBmb3IgNS4zLCB0aGFua3MgVGVqdW4uDQoNCi0tIA0KSmVu cyBBeGJvZQ0KDQo=