On Fri, Mar 16, 2007 at 04:15:23PM +0100, [EMAIL PROTECTED] wrote:
> >> What kind of lock would the NFS client issue? 
> Linux locks : /* F_RDLCK, F_WRLCK, F_UNLCK */

These are byte range locks, not deny modes.

> Imagine an NFS application that has to lock a file to inform others that 
> the file is already used and should not be written (F_WRLCK).
> In samba server, there is no check/no error reported to the SMB clients 
> that the file is locked.

You're confusing byte range locks here with deny modes.
Please go and research the difference between the two.

> So a samba client can always access/write the file that is already used 
> and locked by an NFS client.

As can any POSIX client. But if the client *checks* for locks
before hand then they will see the NFS locks.

Jeremy.
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