From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outbound-ip191b.ess.barracuda.com (outbound-ip191b.ess.barracuda.com [209.222.82.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B2A984C9D; Wed, 18 Jun 2025 13:14:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=209.222.82.124 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750252457; cv=fail; b=SDp1x19yYjxHKUUvwET736DqwP2LaulFvyokfndZqhNzVlwnTo7wzSSzTyb2MDQjy86diHPlIv4/I/uZ1pmpfeL/lwP8BTGtZ2V8hC2BDZxVbCGhjplidfJfHqB5Ax2DX7jQHcNKaRRZbLVws4EPeIp3rZpaeYL2bHZOYyoydAc= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750252457; c=relaxed/simple; bh=uQiEDQEje8GIKu8bD/VrhvWmjgV6MIVDciEG7DbeCII=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=bAiHNK4a1f8AFdy5jT77kYa8oranzr38iJuCZ95XFcFf73oN8QN31yDGWtNWo8h3qZ8Tlyo631Lc1wP7dMBIi8FttP0DoQ17xVvMOrKRL9IQo7yI63YuwjwhIl+LBMUTsfcRtLXH7EDVNUk+xVV2KpovWmP0nx9Lcr0DtoQANm8= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ddn.com; spf=pass smtp.mailfrom=ddn.com; dkim=pass (1024-bit key) header.d=ddn.com header.i=@ddn.com header.b=SsljEiDz; arc=fail smtp.client-ip=209.222.82.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=ddn.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ddn.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ddn.com header.i=@ddn.com header.b="SsljEiDz" Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2137.outbound.protection.outlook.com [40.107.93.137]) by mx-outbound46-223.us-east-2c.ess.aws.cudaops.com (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 18 Jun 2025 13:13:50 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=LauZAfZUbJr16bDs2K+ClKKmqhDhSug1/vOV2JV8wASFrbmBs4+lyfX1LScPSwR+5gOM1lqc5fdnAhnmGbJAtkOe+Rdc0xOv1KKEs9rogKj0bxWME+Zb6XfgWkm9MfTI0w4ekjwaCmZ+S51aGBx8AjIpFwsIgsnAkmN9OYl+vkEIqz2DBmESh3+tta4hQJ62rMVewcGl2lqM20ra30OEwC+K1iXQLI5Y3u5ODwV1uxQhUsPl7M0BtGajJ8jG0TVxyN76OXH6aa3gtFdC2ibqTZJm0/BrhX994mn0P5PupXBYYhKY23IYk0qA6CCSTWpnmYmXYPps0pktim512FGtaQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=UY0pZJbcEHbTET473J9zEo+Y1vPhWJ/F/ulSW07QdYw=; b=yEtCbhq/eI+48Xsd03gJvdonuL+N1y9lsnymD5+YKOsKiMan/0wMiySlV3porN/WBDVblq60D8vwZ3NUr7pBL91voArAjMoMewnrjvNOe9xF2266524IIsCnwMG0EcSiZuSD/tqObOoot9hWfLTL+6YC9Kgenm4AT8JVKQuC6rXIqka2yMXMjfDGhe3LvE+8BLE6YPnBmdGwuRy/OsUnr7T+SOZqKcwg5ikpUXnthTuKuUEh6FJ01UlLOLKznqP+v9jvAh0YAmpEYVumF1TEHS19b2kVYm6UQRQK78lKlOME+HStTPiulhc7RB56hQ2cLPwOanGc/DdfRYLxdYWqYg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=ddn.com; dmarc=pass action=none header.from=ddn.com; dkim=pass header.d=ddn.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ddn.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=UY0pZJbcEHbTET473J9zEo+Y1vPhWJ/F/ulSW07QdYw=; b=SsljEiDzfDIjlRL/E8l8u0ZEiH9O0dpqLT+jQP/fPCJjZZcoZAzXKkbHhoGqgVhoHIqhhW+kbJPyLICBxcShsJganDPWP0BsEMwygPazrFlE2VsAZi85wWQVFN8i76sos9/WYtNVAmjIxo1uxUMAUkYPJ5Q1t0jhnoSVHpWyHSY= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=ddn.com; Received: from CH2PR19MB3864.namprd19.prod.outlook.com (2603:10b6:610:93::21) by SA1PR19MB6670.namprd19.prod.outlook.com (2603:10b6:806:259::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8857.18; Wed, 18 Jun 2025 13:13:47 +0000 Received: from CH2PR19MB3864.namprd19.prod.outlook.com ([fe80::abe1:8b29:6aaa:8f03]) by CH2PR19MB3864.namprd19.prod.outlook.com ([fe80::abe1:8b29:6aaa:8f03%5]) with mapi id 15.20.8857.016; Wed, 18 Jun 2025 13:13:47 +0000 Message-ID: Date: Wed, 18 Jun 2025 15:13:41 +0200 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 00/17] fuse: fuse-over-io-uring. To: "xiaobing.li" Cc: amir73il@gmail.com, asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, joannelkoong@gmail.com, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, miklos@szeredi.hu, tom.leiming@gmail.com, kun.dou@samsung.com, peiwei.li@samsung.com, xue01.he@samsung.com, cliang01.li@samsung.com, joshi.k@samsung.com, Keith Busch References: <20241016-fuse-uring-for-6-10-rfc4-v4-0-9739c753666e@ddn.com> <20250618105435.148458-1-xiaobing.li@samsung.com> From: Bernd Schubert Content-Language: en-US, de-DE, fr In-Reply-To: <20250618105435.148458-1-xiaobing.li@samsung.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: PA7P264CA0413.FRAP264.PROD.OUTLOOK.COM (2603:10a6:102:39b::25) To CH2PR19MB3864.namprd19.prod.outlook.com (2603:10b6:610:93::21) Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR19MB3864:EE_|SA1PR19MB6670:EE_ X-MS-Office365-Filtering-Correlation-Id: 70e5dbdb-25cb-4591-5311-08ddae69f586 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|10070799003|7416014|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?dkFmOEIyeTRDOENaNitab3Q4TEE4cWdvZUZxcVZRWjE3Y1B0U2NoZVNwdGY5?= =?utf-8?B?eng2WUlYTmlhL2tTOThPcUtLWTJERENjcjhjVWNJbHJvaHlsakFxMExkQlFE?= =?utf-8?B?MVQwWFhYLysxbnFCeU5VN3FKR3ExOFdOYk1SQjlyNlpwcXlHTzlRYTdURzdC?= =?utf-8?B?QnZFVXNOWUJFTThLQTlmOTJNNkNhM1BuN1hpc1dQK01GNiswUXZPcVVQcDJ1?= =?utf-8?B?UHEvMFREamNjZTYrcTFuRHd5SzhhMytBaTNiU3hmM20zN2JTQ0l4UTk4Uk5K?= =?utf-8?B?L2pJTW95QTRWL21pbXVWV1Nzb0JrZWdhdm1zdm1ERUFLWldlSlZRZ2RpWVRR?= =?utf-8?B?cUxnUURPbVZkRmFOQy8wUmFjS3JyNXRkL2lrQkVJcFlEMnN6WWw0NDBXZGVC?= =?utf-8?B?aUFCTVV3UStKR1dveDAyMGUyTUhHNmdCamdLQmZZeFZYa3BnV0RieWNxK1Fy?= =?utf-8?B?cEdFdjVYSUVDdktqSDVibXhuUmlzdWJFM2t0U0libCtZcE5GcGxMNU53OGpJ?= =?utf-8?B?QjBUenRLTlJzSllGa2RLdnd1enorRmV5SEVjNzg2NnBZbkFVTk9NRkNsMDd1?= =?utf-8?B?OUh0d29iT1BTZXVrM1N5OEptZXlWdGthNFhwTmRoVHBRNm8xa29uVWV0UGxV?= =?utf-8?B?OTBodWkvdjl4UVRIUHZlM0xYWklxRUxCRHZLR2pvNnFEWWhhYUUrdUZlT1dk?= =?utf-8?B?bEtPbW5LdVhpK255QWtWSDhGeVVuWElNUWpXTS84WFJxWEt6NHA4UHExT2FL?= =?utf-8?B?b2FNOUNpODJPRmFpNkcyNHN3MEcyR2MwZWhJbW5nZnVTZ0dOZnZrZ0JDRk1Y?= =?utf-8?B?VzFITG1WNk53MysrTWFPSzVoTFJXTGp2bStSQlc2ZGxqLy9VcUZsVGwvK250?= =?utf-8?B?VnRjb3JuZXc0LzJMeXFqRHNJU3M5RHlBNitQVjJQMXZsZHY5eXdPWUNZbzMr?= =?utf-8?B?Q0JodnVPZXlmS3ZhSDhNaHVuZjdtSDZ3VUZUZzNqZHQzSXhNMHdRQU9xWDRI?= =?utf-8?B?SlJUNnVBc2hVcmFzdVBod1hkMnFwcnk2TnB1WTBHdENQclZabFRhL3M1QmtS?= =?utf-8?B?aVZoaXlpVnhRaHlIMzBsMFM4YXhZRVFacmVpemttS3pvZHZDNUpWaDd4US9H?= =?utf-8?B?YjRld3lYRHpHNjROUXJxTzhDaEoyWW9nVmltSjM4ZTQrNzV1STc4bUhUa2pY?= =?utf-8?B?cG5hOWFXSlhkbDJlNThjSm9waU4vWEorTlJWcFdvSVhsbzdYQklqcktFSG8v?= =?utf-8?B?MUlJUG5oM0NqdXBNSmI0MUkrZ21oeEMxOXAwNVBkQjQvWkx1cXIxWHNwMHcr?= =?utf-8?B?L0lGSmhOejduR2FGUTM1MS9ZcHl6WGVEQldVNVByMjR3WEF4bFViRVBidXFR?= =?utf-8?B?MGtPeEx6V1ZOdFRHaXBJM2RlSTNLSmpBazczTGVIZk5jL0ltS2pVWkRBOFBG?= =?utf-8?B?eEsxS3V1Um5nSFV4SHhtczdXZXJCdGI3RG5kY1I5TS9GMnZuNDBiVUlrV21U?= =?utf-8?B?dEI2b0M1OWVRa0RFcEhsR3Nwb1JkRHMyWStjZkpCR0tjdUhGNE5CdXBTK25s?= =?utf-8?B?a3dzWVZwWVJLYjNLSEorTjc2dkYwWml5NTNBbk9TSHdwR1BSdlhLRWVLWXNK?= =?utf-8?B?VVh4a2svTlNldXQ3L0M3bUVlbnpuTmRCbVhiRVBrK1B3MFBhQXlRZ2puaTdp?= =?utf-8?B?QnZENDduTzQvWWtlZUx4RXMwY01RZjdsS0J0NWRSMzU0RFF3NjRjTTgyU01W?= =?utf-8?B?dmw1L0VaYTlpZm1VMTY1bTgva0hzQURSdzNQcFc2THJsWC91SnlIcmFOdDNH?= =?utf-8?B?UHc4QTZTTllLN3I1eGFicFVBaHBKZEd1ZFRKRlVYTXhmVjV4VGtUMzBBUVAr?= =?utf-8?B?N0YweW9CdEpmUkE0dC9iQVY4S09YMU56dTl2OWd1RzBpV2lMUUxEcHJMcFBW?= =?utf-8?Q?r+FYAUGNNQw=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CH2PR19MB3864.namprd19.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(10070799003)(7416014)(376014)(7053199007);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?a0NIUjYwWFBEUG5BWW0zMDYySjVvOHo2ajE3Z004Z0N6bXptUlFNTEUrelVJ?= =?utf-8?B?ZUF0VDk5MWM5MVlkb1RzdVpuTnJXNmE0MVU5UVFVR0dxbi9HMncrNGdtUnYr?= =?utf-8?B?dkR2Q3dJVS91OEVMKzU0Vi9ZTVRqV3diS2RTQVdzSUs5bFFzcXRhOExFL0ZS?= =?utf-8?B?eWt2QVZLd3p3NXNiY0pHRWpzVW5sdjVPS1hlcFhWLzAvZDc2UFNDL3NCSVpE?= =?utf-8?B?Sjc0ZEY5SkRUWnlTN1lPYXErc1VsOXQ4YlFScVJwa3hqQlpXbWoyd1RYUGNs?= =?utf-8?B?UW9TQitScE4xK1B2Y3R2cjRqaDlBZWt6S2VIakttdktMM1pabm9qV2F5RTIy?= =?utf-8?B?RGdKbllxaWdTN2puTWNLd2E4eEREMWJva1ZDZnVOalZIN2tXdW8yWUhiSndm?= =?utf-8?B?cUplVmUrdmdXelJVMCszUThaRHZjZnZSQUZJZjhTazMrbHdsQ2xrMVo3cEh6?= =?utf-8?B?Q0VvQVNjVHVLTU9lZGFsVmZWZk4vdG9VaE1iYnRiTVc3WmN0LzZsRVJPb05S?= =?utf-8?B?WjlUMzEyTkRUOGV0OUsyOEpabk90ZzkyRDIwMmZrU0JyaHdveDRFdjB0emtv?= =?utf-8?B?SUF3MEJ1ZDR5SSsvL2VhbnhTRysxTUEwTWpKVXhFVk9QaGdVTm1IYjVzTUQr?= =?utf-8?B?ZTRyblpQZitOY0NQQ2pRUVNnbUJ0Q1krOE16dHgyTm5DWlREdmxJT2tTMEFz?= =?utf-8?B?Zlk0TVV6SmZ6amlDM0I3SnAwdGRPcFg1V2Y0UjRJZVgwd2tVSHcvSk85cXND?= =?utf-8?B?cUh6bVk0RXN3NjBKMXFhSFF4Z2lHSnFZMzNESXVyUmZBZVRiZmdZM2M2WTFJ?= =?utf-8?B?eWF4NWR1UUxreVZYa1k5dURXTGtLZ2dwSlh3akJwbUt4V3NKZlg2akI2NzFH?= =?utf-8?B?VUpaSlFCczFhSGRNNnRObU13ZVhiSzVoTERxMGlJSlJZa3hjN2ROeGtUYnJ3?= =?utf-8?B?NGsxbll4TjZreDB1TWFTZzREZkFkZmxmdldaamdjVmJYdU1YYWRuOGpFSmw2?= =?utf-8?B?akF5VEQyOTBvV1ZtVUpLcmIrVjNKUTlLZ0VNWmhLUFVHLzQvNlpiWmlsUWhu?= =?utf-8?B?VldwSU9wUDB5d0xQN21YSWpkV09UUEJsbW41K1ZOK08ra09kNlpPUWRvdEYw?= =?utf-8?B?WGtITGVqS3lzcDBMTlVyUTVpM1ZQZithb244M0lVLy9wYUgyUGlwL00zeGc3?= =?utf-8?B?RGZSa2Y3dk45ZWZsSkZSd0JrU2lEc1lhMC9YRytjQ2lmdmFEL0xDRUE3YjNn?= =?utf-8?B?M2hVcEVCT0s5U3JGMUNRQ1BISWVLTFJjbThFUzlwZjJxa1FZQUlyNllPbC9p?= =?utf-8?B?bkRYU3NHR0xneHZ1bmZZRUpSazlWR1puMUU5VVN2SVBhajQyTHhlNnVFVmpP?= =?utf-8?B?Q01CUWovR21TTjdEcVpOK2tObEg3UlVXZ3JkU3V4UmFQVkZYcW1ubDVwRCtl?= =?utf-8?B?SVpDSVlWaXFRcDhCdm5nM2xBVWhSU0dKWGk3L2pDR3puRUt6WlJ3VHMzMHNU?= =?utf-8?B?TnNqYlJQYkJRMmxwbkd3MVllcDZLaU4xYjRNaUpvR0U2TDIwRWN0Smh2dUNQ?= =?utf-8?B?bS9jTmxQVjUvaVhkZ3E4TXlZVTlIWWZFSnM5UTFsZlNMbW11K2VEODJGRzI2?= =?utf-8?B?VUFIV1d4bEE1YUd1MVNtTXZSNys4TjZreXVzcVZWaEdWQmsrZVdzT0FSNXNJ?= =?utf-8?B?Ujk1aHk0NHJRenYvZVhkNXR4RFNwV2UydmNjbXJlZlRnenVsOFRsSUhac25P?= =?utf-8?B?RE5aMHBJUVNwWHpNNDhrWGhjWGRaS2ZFTVVYbktXMEJCSkNtUmlmSTVvc3Zx?= =?utf-8?B?WkZlcml4Uk5idExJSzd3U0MzUEVLQUZVNW90RmdwcS9YbWgrbTJRd3hOeU5v?= =?utf-8?B?WStlSDg1bHJPdUFsdnEyeTEwTGFXQ2lFcUVRd05EWEdDRytudWRLMXVnNkJK?= =?utf-8?B?aWV4NnB0a3pzVEhlWUl2aEVpUGlpWVp4bmZrYzVsZEJaT2xEdHZmTDAwRnFP?= =?utf-8?B?b2lxQ09JNmlCZHFHMmJXODhTSjM0YlA2eGlyMUdraWo3aWJ6a2YyajZOYWJM?= =?utf-8?B?QjhXREJab2c5b3FwS25WVkROVG9FR1RHWnFCcm9aM0NibGRqa2p5bWNzeHB6?= =?utf-8?B?eFljRDZSQStodDZoRVN6VHM4QTJDT2lmNmdPME9RWW1uRzdSZWtiNmlSTDN4?= =?utf-8?Q?n2jm4hgxxoiVlIZszbLMmTD4baZuveVQvJ8pRBzGZr3F?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: ddn.com X-MS-Exchange-CrossTenant-Network-Message-Id: 70e5dbdb-25cb-4591-5311-08ddae69f586 X-MS-Exchange-CrossTenant-AuthSource: CH2PR19MB3864.namprd19.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Jun 2025 13:13:47.3449 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 753b6e26-6fd3-43e6-8248-3f1735d59bb4 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 2unsR1/qRu7szE3xYhtmu7O9WUGeI3kUdYbthFTwysubgJ1vqM6jp5raNj/K3RoMOhkMQfF4muoTh1UK9enkuw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR19MB6670 X-BESS-ID: 1750252430-111999-7687-17036-1 X-BESS-VER: 2019.1_20250611.1405 X-BESS-Apparent-Source-IP: 40.107.93.137 X-BESS-Parts: H4sIAAAAAAACA4uuVkqtKFGyUioBkjpK+cVKVoam5mZAVgZQ0Mgg0TTF1NDAMD XR3NQi2dDc0CTJ0NAoNck4MTU5ycBSqTYWAKtO7JNBAAAA X-BESS-Outbound-Spam-Score: 0.00 X-BESS-Outbound-Spam-Report: Code version 3.2, rules version 3.2.2.265424 [from cloudscan21-112.us-east-2b.ess.aws.cudaops.com] Rule breakdown below pts rule name description ---- ---------------------- -------------------------------- 0.00 BSF_BESS_OUTBOUND META: BESS Outbound X-BESS-Outbound-Spam-Status: SCORE=0.00 using account:ESS124931 scores of KILL_LEVEL=7.0 tests=BSF_BESS_OUTBOUND X-BESS-BRTS-Status:1 On 6/18/25 12:54, xiaobing.li wrote: > [You don't often get email from xiaobing.li@samsung.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] > > On Tue, Jan 07, 2025 at 01:25:05AM +0100, Bernd Schubert wrote: >> The corresponding libfuse patches are on my uring branch, but needs >> cleanup for submission - that will be done once the kernel design >> will not change anymore >> https://github.com/bsbernd/libfuse/tree/uring >> >> Testing with that libfuse branch is possible by running something >> like: >> >> example/passthrough_hp -o allow_other --debug-fuse --nopassthrough \ >> --uring --uring-q-depth=128 /scratch/source /scratch/dest >> >> With the --debug-fuse option one should see CQE in the request type, >> if requests are received via io-uring: >> >> cqe unique: 4, opcode: GETATTR (3), nodeid: 1, insize: 16, pid: 7060 >> unique: 4, result=104 >> >> Without the --uring option "cqe" is replaced by the default "dev" >> >> dev unique: 4, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 7117 >> unique: 4, success, outsize: 120 >> >> Future work >> - different payload sizes per ring >> - zero copy > > Hi Bernd, > > Do you have any plans to add zero copy solution? We are interested in > FUSE's zero copy solution and conducting research in code. > If you have no plans in this regard for the time being, we intend to > submit our solution. Hi Xiobing, Keith (add to CC) did some work for that in ublk and also planned to work on that for fuse (or a colleague). Maybe Keith could give an update. Thanks, Bernd