samba - Mar 2005 - Memory Mapped Files

Hi

We have a process on Linux (SLES 8.1 AMD64) which is writing data to a
memory mapped file created on a samba partition smbmounted from a windows
server.

The changes show up on the Linux side but are invisible to a process
reading the same file on windows.

I would be grateful if someone could offer and explanation of this behaviour?

Regards

Graeme