RE: [nfsv4] Open while client has a Delegation

["Noveck, Dave" <Dave.Noveck at netapp.com>]

While we're thinking about the v4.1 spec, we should probably make
it explicit that operations other than SETATTR that have such an
effect are also included.

-----Original Message-----
From: Trond Myklebust [mailto:trond.myklebust at fys.uio.no]
Sent: Thursday, March 09, 2006 3:10 PM
To: rick at snowhite.cis.uoguelph.ca
Cc: bfields at fieldses.org; nfsv4 at ietf.org
Subject: Re: [nfsv4] Open while client has a Delegation


On Thu, 2006-03-09 at 14:57 -0500, rick at snowhite.cis.uoguelph.ca wrote:
> > REMOVE("/bar") will change the numlinks field, time_metadata and the
> > change attribute on the file, all of which may be cached by holders of
> > delegations. The server is required to recall the delegation in those
> > circumstances.
> 
> Why does the delegation have to recalled? Neither numlinks, time_metadata
> nor change will affect the ability for the file to be Opened.

Bruce's question was about a REMOVE request from another client that is
not the client that holds the delegation. You could classify this under
the "SETATTR issued by another client" category in section 9.4.4, I
suppose.

Cheers,
  Trond


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