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Thu, 10 Apr 2025 05:57:04 +0000 Message-ID: <97c13b13-56f2-4c43-b851-e14ccb891933@talpey.com> Date: Thu, 10 Apr 2025 07:57:00 +0200 User-Agent: Mozilla Thunderbird Subject: Re: [EXTERNAL] Fwd: SMB2 DELETE vs UNLINK - TrackingID#2504090040009564 To: Michael Bowen , Ralph Boehme Cc: smfrench , =?UTF-8?Q?Pali_Roh=C3=A1r?= , CIFS , Microsoft Support References: <20250408224309.kscufcpvgiedx27v@pali> <6f5031e9-36d4-4521-a07a-6892cc5ce8a3@samba.org> Content-Language: en-US From: Tom Talpey In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: FR4P281CA0212.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:e4::11) To SN6PR01MB3854.prod.exchangelabs.com (2603:10b6:805:19::20) Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN6PR01MB3854:EE_|DS4PR01MB9249:EE_ X-MS-Office365-Filtering-Correlation-Id: 9f2472f8-3150-42d1-f175-08dd77f48519 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|1800799024|13003099007; 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To which I'll add, which Windows SKUs actually perform them (behavior notes). Tom. On 4/9/2025 5:57 PM, Michael Bowen wrote: > [DocHelp to bcc] > > Hi Ralph, > > Thanks for your question about SMB2. We've created case number 2504090040009564 to track this issue. One of our engineers will contact you soon. > > Best regards, > Michael Bowen > Microsoft Open Specifications Support > > -----Original Message----- > From: Ralph Boehme > Sent: Tuesday, April 8, 2025 11:51 PM > To: Interoperability Documentation Help > Cc: smfrench ; tom ; Pali Rohár ; CIFS > Subject: [EXTERNAL] Fwd: SMB2 DELETE vs UNLINK > > Hello dochelp, > > it seems the updates for POSIX unlink and rename made it into MS-FSCC > > > > but I don't see accompanying updates to MS-FSA and, if supported over SMB, MS-SMB2. > > Is this coming? If this is supported over SMB by Windows it is not sufficient to have it burried in MS-FSCC. :) > > Thanks! > -slow > > -------- Forwarded Message -------- > Subject: Re: SMB2 DELETE vs UNLINK > Date: Wed, 9 Apr 2025 00:43:09 +0200 > From: Pali Rohár > To: linux-cifs@vger.kernel.org > CC: Tom Talpey , Steve French , Paulo Alcantara , Namjae Jeon , Ralph Boehme > > On Friday 27 December 2024 19:51:30 Pali Rohár wrote: >> On Friday 27 December 2024 11:43:58 Tom Talpey wrote: >>> On 12/27/2024 11:32 AM, Pali Rohár wrote: >>>> On Friday 27 December 2024 11:21:49 Tom Talpey wrote: >>>>> Feel free to raise the issue yourself! Simply email "dochelp@microsoft.com". >>>>> Send as much supporting evidence as you have gathered. >>>>> >>>>> Tom. >>>> >>>> Ok. I can do it. Should I include somebody else into copy? >>> >>> Sure, you may include me, tell them I sent you. :) >>> >>> Tom. >>> >> >> Just note for others that I have already sent email to dochelp. > > Hello, I have good news! > > dochelp on 04/07/2025 updated MS-FSCC documentation and now it contains the structures to issue the POSIX UNLINK and RENAME operations. > > https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/f1f88b22-15c6-4081-a899-788511ae2ed9 > MS-FSCC 7 Change Tracking > > https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/2e860264-018a-47b3-8555-565a13b35a45 > MS-FSCC 2.4.12 FileDispositionInformationEx has FILE_DISPOSITION_POSIX_SEMANTICS > > https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/4217551b-d2c0-42cb-9dc1-69a716cf6d0c > MS-FSCC 2.4.43 FileRenameInformationEx has FILE_RENAME_REPLACE_IF_EXISTS > + FILE_RENAME_POSIX_SEMANTICS > > https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/ebc7e6e5-4650-4e54-b17c-cf60f6fbeeaa > MS-FSCC 2.5.1 FileFsAttributeInformation has FILE_SUPPORTS_POSIX_UNLINK_RENAME > > So now both classic Windows DELETE and POSIX UNLINK is available and documented.