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From: "Matt W. Benjamin" <matt@linuxbox.com>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: linux-nfs@vger.kernel.org, nfsv4 list <nfsv4@ietf.org>,
	Benny Halevy <bhalevy@tonian.com>
Subject: Re: [nfsv4] [PATCH 2/2] nfs41: handle BLK_LAYOUT CB_RECALL_ANY
Date: Mon, 31 Oct 2011 14:23:10 -0400 (EDT)	[thread overview]
Message-ID: <553963112.119.1320085390187.JavaMail.root@thunderbeast.private.linuxbox.com> (raw)
In-Reply-To: <1320085212.4714.48.camel@lade.trondhjem.org>

Hi,

Such a server implementation will certainly not be long in coming.

Matt

----- "Trond Myklebust" <Trond.Myklebust@netapp.com> wrote:

> On Mon, 2011-10-31 at 19:57 +0200, Benny Halevy wrote: 

> > 
> > Waiting for revocation may work well with some servers but would be
> disastrous in
> > terms of performance and responsiveness with others.
> 
> I don't necessarily disagree with what you are saying, but I have yet
> to
> see a single server side implementation of CB_RECALL_ANY, let alone
> any
> numbers that indicate performance or responsiveness problems
> resulting
> from our existing client-side implementation.
> 
> I therefore find it hard to understand why optimising this particular
> code is such a high priority, or why a patch that is adding per-file
> layoutreturns to initiate_bulk_draining() is going to help anything
> at
> all.
> 
>    Trond
> 


-- 

Matt Benjamin

The Linux Box
206 South Fifth Ave. Suite 150
Ann Arbor, MI  48104

http://linuxbox.com

tel. 734-761-4689
fax. 734-769-8938
cel. 734-216-5309

  reply	other threads:[~2011-10-31 18:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-31 15:15 [PATCH 1/2 RESEND] NFS4: fix cb_recallany decode error Peng Tao
2011-10-31 15:15 ` [PATCH 2/2] nfs41: handle BLK_LAYOUT CB_RECALL_ANY Peng Tao
2011-10-31 15:49   ` Trond Myklebust
2011-10-31 16:38     ` Peng Tao
2011-10-31 16:45       ` Trond Myklebust
2011-10-31 17:02         ` Peng Tao
2011-10-31 17:08         ` Benny Halevy
2011-10-31 17:42           ` Trond Myklebust
2011-10-31 17:57             ` Benny Halevy
2011-10-31 18:20               ` Trond Myklebust
2011-10-31 18:23                 ` Matt W. Benjamin [this message]
2011-10-31 18:31                   ` [nfsv4] " Trond Myklebust
2011-10-31 18:31                 ` Jim Rees
2011-10-31 18:39                   ` Trond Myklebust
2011-11-01  5:29                     ` tao.peng
2011-11-04  1:33                       ` tao.peng
2011-10-31 21:42                   ` [nfsv4] " Welch, Brent
2011-11-01 14:59                     ` david.noveck

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