From: Eric Dumazet <eric.dumazet@gmail.com>
To: Marc Aurele La France <tsi@ualberta.ca>
Cc: Stephen Hemminger <shemminger@vyatta.com>,
Ben Hutchings <bhutchings@solarflare.com>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
"Pekka Savola (ipv6)" <pekkas@netcore.fi>,
James Morris <jmorris@namei.org>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
Patrick McHardy <kaber@trash.net>
Subject: Re: RFC: MTU for serving NFS on Infiniband
Date: Thu, 26 Aug 2010 13:57:07 +0200 [thread overview]
Message-ID: <1282823827.2476.663.camel@edumazet-laptop> (raw)
In-Reply-To: <alpine.WNT.2.00.1008251408520.632@cluij.ucs.ualberta.ca>
Le jeudi 26 août 2010 à 05:40 -0600, Marc Aurele La France a écrit :
> Steady now. There's no need to YELL nor be arrogant. You and I both know
> there's a place for NFS over UDP. That's not changing any time soon. While
> I'm aware of the issue you brought up, it is separate from the one at hand in
> this discussion.
>
> I do want to thank you, however, for reminding me of TCP. It's something
> 20/20 hindsight says I should have checked out before starting this thread.
> Logistically, it'll be a few days before I can do so though. If that allows
> me to increase the MTU all the way up to 65520, then this UDP thing will
> likely remain unresolved.
>
Unfortunately, your infiniband device lacks NETIF_F_SG support.
MTU a bit larger than PAGE_SIZE-overhead will need high order
allocations ?
next prev parent reply other threads:[~2010-08-26 11:57 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-23 14:44 RFC: MTU for serving NFS on Infiniband Marc Aurele La France
2010-08-23 15:05 ` Stephen Hemminger
2010-08-24 15:14 ` Marc Aurele La France
2010-08-24 17:57 ` Ben Hutchings
2010-08-24 19:49 ` Marc Aurele La France
2010-08-24 20:09 ` Eric Dumazet
2010-08-24 20:33 ` Marc Aurele La France
2010-08-24 22:20 ` Ben Hutchings
2010-08-24 22:39 ` Stephen Hemminger
2010-08-25 5:54 ` Eric Dumazet
2010-08-25 12:10 ` Alexey Kuznetsov
2010-08-25 12:17 ` Eric Dumazet
2010-08-26 11:40 ` Marc Aurele La France
2010-08-26 11:57 ` Eric Dumazet [this message]
2010-08-26 14:43 ` Marc Aurele La France
2010-08-26 23:53 ` Stephen Hemminger
2010-08-27 0:06 ` David Miller
2010-08-27 16:20 ` Roland Dreier
2010-08-27 17:16 ` Roland Dreier
2010-08-27 17:53 ` Marc Aurele La France
2010-08-26 14:58 ` Chuck Lever
2010-09-30 18:50 ` Marc Aurele La France
2010-08-23 15:12 ` Ben Hutchings
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