[Samba] admin users = user0 (how force admin permission?)

[Pol Hallen]

Hi folks :-)

in a samba share I've:

valid users = user0 user1 user2 user3
admin users = user0
 
If I write a new file by user0 (admin) this file has root permission:

-rw-r--r-- 1 root     user0 131870 2010-08-06 15:35 20100806 name_of_file

can I force to have an user0 permission like this (maintening admin user 
option in samba?):

-rw-r--r-- 1 user0     user0 131870 2010-08-06 15:35 20100806 name_of_file

thanks :-)

Pol