linux-kernel - Re: If not readdir() then what?

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Message-Id: <1176239914.309.54.camel@heimdal.trondhjem.org>
Date:	Tue, 10 Apr 2007 17:18:34 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Neil Brown <neilb@...e.de>
Cc:	Theodore Tso <tytso@....edu>,
	Jörn Engel <joern@...ybastard.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Christoph Hellwig <hch@...radead.org>,
	Ulrich Drepper <drepper@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: If not readdir() then what?

On Wed, 2007-04-11 at 07:12 +1000, Neil Brown wrote:
> On Tuesday April 10, trond.myklebust@....uio.no wrote:
> > The problem is that it is extremely hard to come up with an alternative
> > that doesn't impose new conditions on what filesystems you can support.
> 
> I seem to remember Hans Reiser making a credible suggestion years ago
> when NFSv4 was still in draft.  It didn't fly, but I don't really
> remember why.
> 
> The NFS server gets to either return a cookie like it currently does,
> or sets a flag (or maybe returns a special cookie) which says 'just
> use the name'.
> A READDIR request contains either a cookie or a filename.  Either mean
> "This identifies the last name I got from you, give me the next one".
> 
> Is there something that makes that interface problematic?

File deletions...

Cheers
  Trond

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