Re: [nfsv4] New version of sparse draft(draft-hildebrand-nfsv4-read-sparse-01.txt)

["J. Bruce Fields" <[e-mail]>]

On Sun, Oct 03, 2010 at 12:05:13AM -0700, Erasani, Pranoop wrote:
> Bruce,
> 
> Thanks for getting back.
> 
> > Their current proposal is mainly just an optimization to allow
> > returning
> > long strings of zeroes to clients in read requests.  (Servers may be
> > using file allocation information to identify long strings of zeroes
> > efficiently, but that's an implementation detail.)
> > 
> > This isn't about allocation, or metadata--it's just a minor
> incremental
> > improvement to READ.
> 
> That's one interpretation. But, having to deprecate READ to provide this
> feature
> doesn't seem like a minor feature to me.

I don't understand.

For one thing, we're unlikely to "deprecate read" any time soon,
regardless of what Dean says.  (See Dave Noveck's comment, for example.)

--b.