Re: A proposal for OPEN

[Nicolas Williams <Nicolas.Williams%sun.com@localhost>]

On Tue, Nov 25, 2003 at 11:19:10AM +1100, Martin Pool wrote:
> This is closer to what is called an "opportunistic lock/oplock" in
> CIFS, or "reservation" in NFS4.
> 
> Adding oplocks implies that the server must be able to initiate
> notifications to the client, and to discover and recover from network
> partitions or hung clients.  It's quite complex.

It sure is.  SFTP is not a remote filesystem protocol - oplocks/
delegations do not belong in sftp.

OTOH, an optional OPEN option for requesting a guarantee that the file
transferred won't be modified during the transfer might be nice.

Nico
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