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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49D13EB64D8 for ; Wed, 14 Jun 2023 18:03:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229951AbjFNSDM (ORCPT ); Wed, 14 Jun 2023 14:03:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229736AbjFNSDK (ORCPT ); Wed, 14 Jun 2023 14:03:10 -0400 Received: from esa2.hgst.iphmx.com (esa2.hgst.iphmx.com [68.232.143.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F10EE123; Wed, 14 Jun 2023 11:03:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1686765789; x=1718301789; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=joufdrNO2/FLdgGzlnaieoHfZ28FYCwNXGhrZ08f24E=; b=g97l4DfHl0cj3Rpv4LktIbtjEHcktGSYGb1NbD1ZUifPCpAbfcbn6hC0 wL1daDK6H1itr3nweU9m+ipVQxRO7Rtv+95rpIcqGgoxXF6ZxYXfmE4FM XC8ZfdjNCerhaTqxO5Dyp4GCdSelLFxZIMMKn5oUIHfL+2KkyM760jA+L 9qODeRbffLDLmBa8RvnkYnfj0uY31SoO0brteeb68f3qZGKFuNFbrQDRt NHKniiaQf3uo93tn+56x1q3EPR8fxQ1TEdRj4maI4bed+sM4jgNX/rAXh 1o+A/wlDrj6KPk9gppPjNy+V5DoxsiEb6vMtu0PaUX6iE4+zgYCeV8s0E g==; X-IronPort-AV: E=Sophos;i="6.00,243,1681142400"; d="scan'208";a="340382703" Received: from mail-bn8nam12lp2177.outbound.protection.outlook.com (HELO NAM12-BN8-obe.outbound.protection.outlook.com) ([104.47.55.177]) by ob1.hgst.iphmx.com with ESMTP; 15 Jun 2023 02:03:08 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bMQyiMIc+CJlvH5JpLvd5Umr0917Bx4v9LUVO3kOZ1DPW4m3LBX2ZKBo18UuVVL+y8jVkBAuY0JvPvxS0/ddkYOketCTRYgpeFpcVm8vbT39+/4Hogx+WnGF+BfCPG4VkIH6N/p9tLNMGjWu2s2dsidNZ0iFO+gMJZz7yN9ac3cOqZ4510ow6d3JGiG2kr9UmqT+8jdplN9nrYkwA2rLxcshKh6Fcxy1xQ5izhK1EfNMCCD+ZHYrTXjAVtan5KK03wXEnXqayF9f00BLOXZUqE60koCm4IhT3b5LlQVDfcnh+reFQSAaRlJw1qNDCTm+kR5oJlecL+QsNwjSkO619Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=joufdrNO2/FLdgGzlnaieoHfZ28FYCwNXGhrZ08f24E=; b=CoXhIZLjtwOIEwMj23zY1bo9q/P9y+oI/wfND9JLUpHljA7TvJNL9N0RuR4Ap8PZtMXsZfun1JjwpXMTdLXShniHdKvmYVB3xmS1oE1A1739sAngdeLWj4f8zkp63G/MH3W2sItk/Aig/HQaA48FiD9Q5O0CElf2sqGKxRemMlJ8bf4wVPk0lqILXcLdSnkFZfU48CTVeU0TQ61SRb7FOyOIfKnC+tqL0yiKS7qv+GyYe+MGpNdDQqNsWHyao8H/KywHr5UwisNwIIaQ0Pbwiz9U0CR4FMXWHif0m79YJxvQExdqg4LaiCBR9tSvDLQ5s2aK86HTxii6gBiEeFdYlA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=wdc.com; dmarc=pass action=none header.from=wdc.com; dkim=pass header.d=wdc.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector2-sharedspace-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=joufdrNO2/FLdgGzlnaieoHfZ28FYCwNXGhrZ08f24E=; b=nmQhonjMS9vnoLWv8wSvY6C4G8PaszIZOcqJ9MPGHAnM5vpZbyTpSY2+6c819ryVnX/dE6WEEWo57y5W775H6hvV4E03Z6ZGHUCc3YAoNAYVuTHZ3bsyw65iJDoxgwvLvKtjC6LuLfPdPrCH1MHID0IzxV3rm5y6hrQ3QHfijUY= Received: from PH0PR04MB7416.namprd04.prod.outlook.com (2603:10b6:510:12::17) by DM8PR04MB7797.namprd04.prod.outlook.com (2603:10b6:8:3f::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6477.37; Wed, 14 Jun 2023 18:03:06 +0000 Received: from PH0PR04MB7416.namprd04.prod.outlook.com ([fe80::23cf:dbe4:375c:9936]) by PH0PR04MB7416.namprd04.prod.outlook.com ([fe80::23cf:dbe4:375c:9936%6]) with mapi id 15.20.6477.037; Wed, 14 Jun 2023 18:03:06 +0000 From: Johannes Thumshirn To: Christoph Hellwig , Jens Axboe CC: Alexander Viro , Christian Brauner , "linux-block@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" Subject: Re: [PATCH 3/4] block: remove BIO_PAGE_REFFED Thread-Topic: [PATCH 3/4] block: remove BIO_PAGE_REFFED Thread-Index: AQHZnskZYpPookJtEEacXduGHIKfsK+Kl14A Date: Wed, 14 Jun 2023 18:03:06 +0000 Message-ID: <9efd1c55-138c-099c-6352-227a3f6baefd@wdc.com> References: <20230614140341.521331-1-hch@lst.de> <20230614140341.521331-4-hch@lst.de> In-Reply-To: <20230614140341.521331-4-hch@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=wdc.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: PH0PR04MB7416:EE_|DM8PR04MB7797:EE_ x-ms-office365-filtering-correlation-id: e1f97a25-5eaf-4b25-73a3-08db6d019ae5 wdcipoutbound: EOP-TRUE x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH0PR04MB7416.namprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(396003)(366004)(346002)(136003)(39860400002)(376002)(451199021)(6512007)(186003)(6506007)(4326008)(2906002)(66556008)(66446008)(76116006)(91956017)(66946007)(19618925003)(64756008)(66476007)(558084003)(31686004)(31696002)(4270600006)(2616005)(86362001)(36756003)(82960400001)(6486002)(41300700001)(5660300002)(8676002)(8936002)(316002)(38100700002)(38070700005)(122000001)(110136005)(54906003)(71200400001)(478600001)(45980500001)(43740500002);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?VUxvRHVocllsc3dPRFo3dzFXWVlvWHN3RE9rNkxvcmNKaTJPaHJUTjljMVZw?= =?utf-8?B?cGs4T00wNE1ROGhEU1Z1dUxxTHA0VUQwNFJPcTJ6SmhSeXQ3VUw2Z2ZZaVk0?= =?utf-8?B?em9TdGM5VGttcDBTRDNDcGlsUDdrQzRZWlZzSlFrLzNndHNkWE5yTFNnaGJr?= =?utf-8?B?MkZHR0VqK3c1RWRMN1k0Rm1rWXlkbkJCUVo4QTlhVkNGbEdqajJCWGVnSklw?= =?utf-8?B?UTFDRjZpekl5QWlLV3czZndJWUV5aDllNWRLbWRQZmJGblowSEdha1lBYlZm?= =?utf-8?B?Nk51blAvdjBUemRRemJYKzdOUzY1cHNhYnVNQlkrbjNOK2FOMXhKV0RFK1VN?= =?utf-8?B?UkQyM3c3bzhNdm8yck1XWm4xYUZPK29uQkI5NnhUcWNOZUpncG9yN003NGh6?= =?utf-8?B?Y0ZxUGZzNTRvQ0NGVzBGZFljdDMydTNESDg1bWVmSXhHYkZQOE1ic1VKS0lY?= =?utf-8?B?RXA1U3k0Y213cFZ4NnNGWTBrenVXNkxOY01LMnZYK0hteUZhRW14ODlWT2xl?= =?utf-8?B?VXBKTmxoYzhxZlFvWDRSMDNkQ1J6WWJydytKSmtEK3c4VStWR3ZGR0g3WUti?= =?utf-8?B?MW9hMWZ4TnoxQ0lRS1ZudlIyYXB0UjhhM08rdURUTXhVVXpSZEx1SGozQ2R4?= =?utf-8?B?STF5VE1pSHkxb2JxL1NxVElVVGtGa1dyamtFTnM1WlpOVWo3RzdicTUyMlhv?= =?utf-8?B?MmhrL1d5SG5OYWs5cFgvMVZrUVdVcGR1Zml3ejJ4T1cvUys1Vjlna0t2VTNS?= =?utf-8?B?YTZteFU3SFdnL0xMQ2tERTIxcldGNE9teUhya3BwYlZkMDduVmVVK3Q2ckMx?= =?utf-8?B?NW5jdmw4VlpvTWhpZFlMSk9jM2EyWGxwSldHVzBxMVFMeFJlRlBXWTF5Y3Y5?= =?utf-8?B?RXdkUDE4YWNlNlFjMURTNkFJYlZ0QUpTbjkwSytmYlllQnZtSHJYRkJObnc3?= =?utf-8?B?VktTYVdiMHBWby9HU0NOVld6eVc4N0o0ZkpVckdXL2ozcVJ4OWlBRm8yWlRw?= =?utf-8?B?NHYzT0hlNmwzbmlJZEZ6REs4T0toM3VBSjFOMmIvYkFvZGNpYlJla0NSYW55?= =?utf-8?B?bVFkakMxb1VnSDV4OUtub0hEZVVLM1lIS2dpazBubjZCR0F2WFRMbmdtZG9I?= =?utf-8?B?LzhCZHp2Y1ErQjdkNTdRM0dIUDNFVW92QVRSTklEbG9qT1BHRUZsTU1XNms4?= =?utf-8?B?Z01yR0lVckM4Q3hkdy8xN05LRmdPelA3cVhGbXdXd1pSNEduR0thUEJLVXl2?= =?utf-8?B?U2Z6ODJTZnZRSHVXazIwWUlPbFFIS0FBWk9vbzYxQ051YlBmV3lLMU5DR2ts?= =?utf-8?B?WGxDUy9IS3RWbGRjeWZrSkVkMjJaRVpLaTlLWW5ScFpDVGxkUnBkREMvSm5W?= =?utf-8?B?cW1rNUZ0N21DenJSWlFXNGs1dXNodU1Wa3R3UCtpelVpKzVvdDgyakNVT3pN?= =?utf-8?B?dXpxYjEyTGFGZGsxREhIc0ZkZTZLZG9PMUpoMlBkdzNUMXZlUHdrYy9rL0c0?= =?utf-8?B?dXhDVzM2RFVHS2M0c2paTk9MNUNjQVV0Yjk2aEhuU1JGMWpGd1M0a3pqK09T?= =?utf-8?B?bHRINEY2T0R1eldVcEJNcmNOU3M1djM1SXBnbWF3SkVrTWJFQ3cvUzNXalgz?= =?utf-8?B?Y0hDWlVHVFdCd1NNQS9mbzNlZHQ1NEdoeTY3SUlWSTRYY0NqVkVxNFc1QVlr?= =?utf-8?B?a3MyZHZhTjNWN2hPRmYyV1lKcERySWhLSUZWRmdXL2Zrbkk1T1BKdzVDWG5m?= =?utf-8?B?SWNXOHVmWWo0L2NWdEpTRndQYVY0MnNSVGV6ZEk3bG1RVW5UaVE1d2h1WUU5?= =?utf-8?B?V3BFS0lUTExNTFNKVkpscVdIc01JOXpib2UwUmxsS0tqUkt5RHV5aXMxZXdz?= =?utf-8?B?anJaTWViTjJSYklKaDBxMWcvejl3Ni9lTkFUVVFHRldVem5hMjBpSUlLOTNm?= =?utf-8?B?Z25mUU11cjZiaU9vQVBwb2ZVNE4yK0w0NmNoSmZWNjlWQWZGSVNKSTBuVWpo?= =?utf-8?B?ejYxZHJEM3h0TkQ4WUw4dTRlK1ozMHM3NnZ2OXpyblNaaG8zNjkxRWw5YnVp?= =?utf-8?B?NDNCNk5ZbUV6amowNjdPMjB6eXVJMVdMbWRUZFR0Sm52QTRiemc3V1hqei9Q?= =?utf-8?B?bTdrTmtIVWZwTVRTYXF3eGEzMEdnUEpqamExVVUyYkFNb24wZTZId3phS3Ay?= =?utf-8?B?MGxpanA3QWJGQmFvbEJnVG1ManJiZWNEalF4RnJQZVZJeEdHMzRGeWd5MHJZ?= =?utf-8?B?ZHBEZHJCS1M0c2JPQkpBWmhzMWl3PT0=?= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH0PR04MB7416.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e1f97a25-5eaf-4b25-73a3-08db6d019ae5 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jun 2023 18:03:06.4051 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: bhR/ON20ZFebujdvZep5eQ6+Skvikm8wgxOFBrB+t7fnQC93adaW9UHoy8Eno44m5Pwk3aydxF2nMMT8HLaZ+kDOuhwbG0MpowI6UMQDH+c= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM8PR04MB7797 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org TG9va3MgZ29vZCwNClJldmlld2VkLWJ5OiBKb2hhbm5lcyBUaHVtc2hpcm4gPGpvaGFubmVzLnRo dW1zaGlybkB3ZGMuY29tPg0K