[Samba] Permissions visibility

[mike]

David Brodbeck wrote:

>>when do changes to unix permissions become effective via samba?
>>
>>it seems that after i add someone to a group that has 
>>permissions to a 
>>directory, that user still can't access the directory for at 
>>least some 
>>period of time.  restarting smb works, but i'm leery of restarting it 
>>while many other users have files open.
> 
> 
> The user disconnecting from the share, then reconnecting seems to do it for
> me.  I usually accomplish this by telling them to log out of their
> workstation, then log back in.

This doesn't seem to work for me.  Even restarting the workstation fails.

Does anyone know technical details as to whether permissions are cached 
by samba, and if there's some way to refresh permissions info without 
restarting the service?

I'm using Red Hat's samba-2.2.7-3.7.2, BTW.