samba weirdness

SuSE 9.3, all YOU updates. # rpm -q samba samba-3.0.13-1.1 #testparm ......... [in] comment = File Exchange. path = /storage/ force user = samba_quota read only = No create mask = 0644 guest ok = Yes ......... /storage is reiserfs 3.6 when i create file: #ls /storage -rw-r--r-- 1 root root 137 Nov 22 2004 readme.txt i thought that users coming to \\srv\in only can read file readme, but they can /DELETE/ this file !!! Help!