From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4/4QAYOv1xsLKU3Uw65/fYddz4bHCxbWYoKs2Uw3YFUhKXiA07QXz4Pdtn/q2BqPbaandct ARC-Seal: i=1; a=rsa-sha256; t=1523482115; cv=none; d=google.com; s=arc-20160816; b=PVDJSTWpk5lRwLOatkqanNjwLqv8kNopWGWxerTEDpWTzPyfvqmDxHjj26TALsH5t/ NXwzWfCsZwRBJnec1Mwkgt3JA5TD7fiFell8H5gHusbdrBW1CD8C0ukfPJoEnfIGgsci JDwUXEg4DuAN5QuxfdPjMlXWOsr2eElBqBGnVV5RBLDcDroMRexESqznVjeQ7mMI3inn d5EWJoZ/ujk/BrGm2GTh93MeB6GA8zp23WxZsJS+JUUZx6RxH2y9grnk3osHf9bbAAnS 9f8WvKCFMtT3crIlbbWGy9kmyBHdTbwbMLcfsciKODEkXGE0AVEtaRycHx5s8IaOrEVn CSAg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:content-transfer-encoding:content-id :spamdiagnosticmetadata:spamdiagnosticoutput:wdcipoutbound :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:dkim-signature :dkim-signature:arc-authentication-results; bh=DKfgUg989kx2KrAFZtCqaRX3cFw5jF1fNB2l5cSjeig=; b=ziIt+ESqJwWBciCYePGUjzJqzHRqBTELY5Hvu0xOFP+JQCeR0cd8I71ySDqvJDDtDd Wvtg6Amg+PEAiRt9906hBeWYQV1lElbScfkVv8M8JF1abaSAnGOg6QmlKLYuql9WyDji x6kLuTeA0kkworJdY0HW1Za0KhJX9Hxq5IwmRbQRpO/PIWcYfo0SnrL0KJtw3Aj2SbQK BLbbbCpUxPp/a9vViwQ6EYQ1T9fQ7knlspgrAUFP1BUC2XNJls2nJZbxgJLGLRU3Eecn IImdIZeHoGAisQWhbcrHf9QYYYiqqUBcsuDZDG+ruAhIhroll/1PrBq4imjNDiDb0N9f 7L/g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@wdc.com header.s=dkim.wdc.com header.b=XHC8cjr0; dkim=pass header.i=@sharedspace.onmicrosoft.com header.s=selector1-wdc-com header.b=P+oOPy2G; spf=pass (google.com: domain of prvs=63297c413=bart.vanassche@wdc.com designates 216.71.153.141 as permitted sender) smtp.mailfrom=prvs=63297c413=Bart.VanAssche@wdc.com Authentication-Results: mx.google.com; dkim=pass header.i=@wdc.com header.s=dkim.wdc.com header.b=XHC8cjr0; dkim=pass header.i=@sharedspace.onmicrosoft.com header.s=selector1-wdc-com header.b=P+oOPy2G; spf=pass (google.com: domain of prvs=63297c413=bart.vanassche@wdc.com designates 216.71.153.141 as permitted sender) smtp.mailfrom=prvs=63297c413=Bart.VanAssche@wdc.com X-IronPort-AV: E=Sophos;i="5.48,438,1517846400"; d="scan'208";a="76500099" From: Bart Van Assche To: "00moses.alexander00@gmail.com" <00moses.alexander00@gmail.com> CC: "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" , "nborisov@suse.com" , "axboe@kernel.dk" , "shli@fb.com" , "gregkh@linuxfoundation.org" , "tj@kernel.org" , "joseph.qi@linux.alibaba.com" , "arnd@arndb.de" Subject: Re: [PATCH v2] blk-cgroup: remove entries in blkg_tree before queue release Thread-Topic: [PATCH v2] blk-cgroup: remove entries in blkg_tree before queue release Thread-Index: AQHTzlpM3bNaKsvglEqiCkNE5lEW0KP5AjIAgAJcawCAAEUegIAAAmyAgAAX/wCAADPagIAAD1uAgAAYkQCAAAFwgA== Date: Wed, 11 Apr 2018 21:28:30 +0000 Message-ID: References: <20180407102148.GA9729@gmail.com> <20180409220938.GI3126663@devbig577.frc2.facebook.com> <20180411101242.GA2322@gmail.com> <20180411142019.GG793541@devbig577.frc2.facebook.com> <20180411142859.GB2322@gmail.com> <5fafe1cbf6b0111448a81005c1c16feee24a99ad.camel@wdc.com> <20180411190027.GA21274@gmail.com> <20180411212320.GA26747@gmail.com> In-Reply-To: <20180411212320.GA26747@gmail.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Bart.VanAssche@wdc.com; x-originating-ip: [50.225.201.71] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MWHPR04MB1214;7:8Uie1bPr0blp9Cm2odeMrAvM4Atp1hZz6mY0fCqnkju2F8Cjzmm6oMWG76M+XSfoezHQBSqkD0XWUx8cgxSB8MnQJ5gn7idgpgiujMyR82MZPKiL+lTaAIQsXekgmzgZlnBtpmHbGth2OssU03JAtDrJ8eftg1GQE9zqrEOfrmsyG3CsENaOu/q3CrnY50/LwtOz6f9a+ClH/ZAThQtfhnXNzmNkgO27UwmOXhSzVc6G4aJtMXCiztlQ6kA4+NhD;20:3cv2B+q2xkyVCZmGlxCNc46Ql3W4aH1VlmqtFbP15zVnJ54LjZArvt9lVmr+IUPvBIuvz5DutsGjmhfvO1qon+oNvwQQqTHTvs5HENsbuJtEsJ9ul/u+ejRvvaoT6JM6AXw0RTgfPJAvuYZGyvCtgIpr9ZQFLs7LwUO0tWsgPX8= x-ms-exchange-antispam-srfa-diagnostics: SOS; x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(4534165)(4627221)(201703031133081)(201702281549075)(5600026)(3008032)(2017052603328)(7153060)(7193020);SRVR:MWHPR04MB1214; x-ms-traffictypediagnostic: MWHPR04MB1214: wdcipoutbound: EOP-TRUE x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040522)(2401047)(8121501046)(5005006)(3002001)(93006095)(93001095)(3231221)(944501327)(52105095)(10201501046)(6055026)(6041310)(20161123560045)(20161123562045)(20161123558120)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(6072148)(201708071742011);SRVR:MWHPR04MB1214;BCL:0;PCL:0;RULEID:;SRVR:MWHPR04MB1214; x-forefront-prvs: 0639027A9E x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(376002)(366004)(39860400002)(396003)(346002)(39380400002)(377424004)(189003)(199004)(86362001)(6916009)(11346002)(4326008)(446003)(7416002)(99286004)(6436002)(2616005)(476003)(6486002)(186003)(229853002)(2351001)(68736007)(26005)(5640700003)(106356001)(105586002)(6512007)(5660300001)(2900100001)(14454004)(316002)(2501003)(97736004)(3846002)(6116002)(305945005)(7736002)(93886005)(66066001)(8676002)(1361003)(2906002)(118296001)(81166006)(25786009)(8936002)(72206003)(81156014)(3280700002)(54906003)(5250100002)(6506007)(6246003)(478600001)(76176011)(3660700001)(39060400002)(36756003)(53936002)(486006)(102836004);DIR:OUT;SFP:1102;SCL:1;SRVR:MWHPR04MB1214;H:MWHPR04MB1198.namprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; x-microsoft-antispam-message-info: T9wT1Kp9xMMUzGsIOFCLfczswhwWlxUFUTy0Y5DZCCvhg4JSgzRepx9moQY9upF4FGcsC503oPnfCqewWYTKDMM8tH5iceXrpi/LzfbbqhS35LoS1rQYZsGJrIYjqEfJfVgZNWzwCj6pGEemZWYZJ4ZZpKZ5rPoAYLjFFRADL2hrxPM3sEwYPOMsfrLKk5qFn4/aMYFEs3f0DOxsI5TelyhIqousVUGSdNQOxDMbqXnsda2wvnA/Ojne2qcJtLuTH3M8Bzw2w90kh6Ou3oIosePOpK+eTL0jqaUaFQ67xJ6vNw/F021pM4DMX4p3CNG5VmkUg0wxn5pTNdkmdtBgKgIzh+A7NjE08XDMvvi6FIH+apSRvX0ynJvsamtc8bWU6lJKff0OZU3WG8PbSXgpUgfI968/GobFxALnGrt5aqg= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <3E4E5C031431344385F0917FCB5F1924@namprd04.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: b5f89f61-7294-4b6a-5718-08d59ff32c3a X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: b5f89f61-7294-4b6a-5718-08d59ff32c3a X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Apr 2018 21:28:30.9589 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR04MB1214 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597082451728716242?= X-GMAIL-MSGID: =?utf-8?q?1597486782315749240?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: T24gV2VkLCAyMDE4LTA0LTExIGF0IDIzOjIzICswMjAwLCBBbGV4YW5kcnUgTW9pc2Ugd3JvdGU6 DQo+IEhpLCBJIHRlc3RlZCBpdCwgaXQgZG9lc24ndCBzb2x2ZSB0aGUgcHJvYmxlbS4NCj4gQnkg dGhlIHRpbWUgeW91IGdldCBoZXJlIGl0J3MgYWxyZWFkeSB0b28gbGF0ZSwgbXkgcGF0Y2gNCj4g cHJldmVudHMgdGhpcyBmcm9tIGZhaWxpbmcgaW4gdGhlIGZpcnN0IHBsYWNlLg0KDQpIZWxsbyBB bGV4LA0KDQpJZiB5b3UgY2FuIHNoYXJlIHRoZSBzdGVwcyB0byBmb2xsb3cgdG8gdHJpZ2dlciB0 aGUgYnVnIHlvdSByZXBvcnRlZCB0aGVuDQpJIHdpbGwgaGF2ZSBhIGNsb3NlciBsb29rIGF0IHRo aXMuDQoNClRoYW5rcywNCg0KQmFydC4NCg0KDQoNCg==