[Samba] locking and gfs

[markus neis]

After troubleshooting my system I found out, that there were also troubles
with one of my NIC's. This problem is fixed and posix locking = no is
working pretty good with gfs now! I hadn't the possibility to test this
config with windows clients and I think I won't have it anymore. Are there
any problems with other locking options if I set posix locking = no?

thanks, Markus