[Samba] incorrect shared access to the file - samba oplock bug?
jra at samba.org
Fri Sep 16 04:07:09 GMT 2005
On Thu, Sep 15, 2005 at 03:31:49PM +0400, Jablonovsky Alexander wrote:
> I have tried to read a file from a Windows machine, at time this file
> being written from a Linux machine with Samba (constantly reading
> constantly growing file) and got a strange behavior. After reading some
> number of bytes ReadFile() starts to return 0 bytes read (EOF). Seeking
> and even closing/reopening the file doesn't help - only the old snapshot
> of the file can be read. Touching the file from other program like
> Explorer has effect - Windows refreshes the file to it's current state.
oplocks - either use kernel oplocks or turn off oplock support in Samba.
Also to do this correctly you need byte range lock coordination between
the reading and writing app.
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