All of lore.kernel.org
 help / color / mirror / Atom feed
From: "J. Bruce Fields" <bfields@fieldses.org>
To: Greg Banks <gnb@sgi.com>
Cc: Linux NFS Mailing List <nfs@lists.sourceforge.net>,
	"Iyer,  Rahul" <Rahul.Iyer@netapp.com>,
	"Talpey,  Thomas" <Thomas.Talpey@netapp.com>,
	Peter Leckie <pleckie@melbourne.sgi.com>
Subject: Re: [RFC,PATCH 3/14] knfsd: prepare reply per transport
Date: Fri, 18 May 2007 00:01:37 -0400	[thread overview]
Message-ID: <20070518040137.GD30144@fieldses.org> (raw)
In-Reply-To: <20070518031630.GB5104@sgi.com>

On Fri, May 18, 2007 at 01:16:30PM +1000, Greg Banks wrote:
> On Thu, May 17, 2007 at 02:16:46AM -0700, Iyer, Rahul wrote:
> > I've written some code to do NFSv4.1 callbacks and wound up implementing
> > another "transport". Since in v4.1 it's actually possible for clients to
> > send requests (fore-channel) and receive callbacks (back channel) over
> > the same connection,
> 
> A very sensible thing to do, but hard to retrofit to the existing Linux
> code without significant surgery.  As you've discovered, the server and
> client code are two mostly-separate code bases (with mostly-separate
> authors and maintainers) that happen to link into the same module.
> Unifying these would be a major job.  I'd love to see it happen, for
> example to unify the XDR buffering code, but it would be an uphill
> battle technically and possibly politically also.  For some reason,
> code (like lockd) that lives in both the server and client side tends
> to be neglected by both camps.
> 
> > Given this, a unified transport switch would really rock. 
> > [...] Maybe I'm oversimplifying, but this seems doable.
> 
> Yes...eventually.

And the easiest approach may be to go ahead and introduce the completely
separate server-side transport switch and then later find ways increase
code sharing between the two in incremental steps....

--b.

-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
NFS maillist  -  NFS@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/nfs

  reply	other threads:[~2007-05-18  4:01 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-16 19:20 [RFC,PATCH 3/14] knfsd: prepare reply per transport Greg Banks
2007-05-16 20:53 ` J. Bruce Fields
2007-05-17  7:01   ` Greg Banks
2007-05-16 21:35 ` Tom Tucker
2007-05-17  7:53   ` Greg Banks
2007-05-17  9:16     ` Iyer, Rahul
2007-05-17 15:26       ` Tom Tucker
2007-05-18  3:16       ` Greg Banks
2007-05-18  4:01         ` J. Bruce Fields [this message]
2007-05-18  4:08           ` J. Bruce Fields
2007-05-18 14:42         ` Trond Myklebust
2007-05-17 10:48 ` Neil Brown
2007-05-18  6:00   ` Greg Banks

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20070518040137.GD30144@fieldses.org \
    --to=bfields@fieldses.org \
    --cc=Rahul.Iyer@netapp.com \
    --cc=Thomas.Talpey@netapp.com \
    --cc=gnb@sgi.com \
    --cc=nfs@lists.sourceforge.net \
    --cc=pleckie@melbourne.sgi.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.