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A. Walsh" , Dan Carpenter Cc: namjae.jeon@samsung.com, linux-cifs@vger.kernel.org Subject: Re: cifsd: introduce SMB3 kernel server In-Reply-To: <606C1DD6.80606@tlinx.org> References: <606C1DD6.80606@tlinx.org> Date: Tue, 06 Apr 2021 12:14:43 +0200 Message-ID: <87h7kj4t4c.fsf@suse.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [2003:fa:705:3023:3e6b:6105:9a2b:bde1] X-ClientProxiedBy: GV0P278CA0028.CHEP278.PROD.OUTLOOK.COM (2603:10a6:710:28::15) To VI1PR0402MB3359.eurprd04.prod.outlook.com (2603:10a6:803:3::28) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost (2003:fa:705:3023:3e6b:6105:9a2b:bde1) by GV0P278CA0028.CHEP278.PROD.OUTLOOK.COM (2603:10a6:710:28::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4020.16 via Frontend Transport; Tue, 6 Apr 2021 10:14:44 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 616c369b-9eaa-47a9-b44a-08d8f8e4cd1b X-MS-TrafficTypeDiagnostic: VI1PR04MB5760: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; 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A. Walsh" writes: > On 2021/03/18 06:12, Dan Carpenter wrote: >> [ cifsd: introduce SMB3 kernel server" > Is it to be Linux policy that it will give in-kernel > support for only for smb3, or is it planned to move the rest of the proto > into the kernel as well? It sorta seems like earlier parts of the protoc= ol, > still dominant on home networks, though it seems linux not supporting > all of linux's smb devices, from smb2.1 and before. smb1 (aka cifs) is unsecure, out of support and being actively deprecated for over 10 years. Microsoft is uninstalling the smb1 server on Windows updates. That's how hard they want to kill it. Samba is planning to drop smb1 too eventually. https://aka.ms/stopusingsmb1 https://aka.ms/smb1rs3 > I'm sure those clients would benefit as well, being kernel services > could allow for a lower latency with potentially faster response > time from being a kernel service instead of user-mode client? > Is that also planned? Isn't the base of an smb3 server the same function= s > of an smb2.x server with the new smb3 extensions? AFAICT Namjae's ksmbd support smb2 and above. Cheers, --=20 Aur=C3=A9lien Aptel / SUSE Labs Samba Team GPG: 1839 CB5F 9F5B FB9B AA97 8C99 03C8 A49B 521B D5D3 SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 N=C3=BCrnberg, D= E GF: Felix Imend=C3=B6rffer, Mary Higgins, Sri Rasiah HRB 247165 (AG M=C3=BC= nchen)