Samba 4.22++ - RENAME_NOREPLACE w/o fallback?

[Ralph Boehme]

On 10/22/25 10:55 AM, Douglas Bagnall via samba-technical wrote:
> On 18/10/25 02:01, Heiner Lesaar via samba-technical wrote:
>> Dear samba-technical,
>>
>> we noticed after upgrading from Samba 4.20 to 4.22.3 (and later), that
>> directory creation on MacOS causes a weird folder creation "loop" when
>> creating a new folder in MacOS Finder. Finder basically forever keeps
>> creating new directories.
>>
>> This is only when the underlying filesystem is BeeGFS, a parallel
>> filesystem which does not support RENAME_NOREPLACE.
>>
>> My question: Is there a mechanism to tell Samba to revert to previous
>> behaviour of not using RENAME_NOREPLACE if the underlying filesystem does
>> not support it?
> 
> I think that is unlikely. What we want is to get this logic right.
in the best Samba tradition there's an option for everything:

vfs mkdir use tmp name = no

cf man smb.conf

-slow

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