SMB3 POSIX and deleting files with FILE_ATTRIBUTE_READONLY

[Jeremy Allison]

On Thu, Apr 10, 2025 at 10:33:54AM +0200, Ralph Boehme wrote:
>On 4/10/25 12:43 AM, Jeremy Allison wrote:
>>Does Windows ever send FILE_DISPOSITION_IGNORE_READONLY_ATTRIBUTE over
>>the wire ?
>
>No, it's local only, cf MS-FSCC and the thread "SMB2 DELETE vs UNLINK" 
>on the Linux cifs mailing list.
>
><https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-fscc/4718fc40-e539-4014-8e33-b675af74e3e1>

OK, but does the Windows SMB3 server filter it out ?

Can a Linux client send it over the wire and does
it have the desired effect ?