From owner-freebsd-hackers@FreeBSD.ORG  Wed Apr 20 14:04:11 2005
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 62FC816A4CE; Wed, 20 Apr 2005 14:04:11 +0000 (GMT)
Received: from mailhost.stack.nl (vaak.stack.nl [131.155.140.140])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 1140C43D60; Wed, 20 Apr 2005 14:04:10 +0000 (GMT)
	(envelope-from marcolz@stack.nl)
Received: from hammer.stack.nl (hammer.stack.nl
	[IPv6:2001:610:1108:5010::153])
	by mailhost.stack.nl (Postfix) with ESMTP id D0AD61F1C0;
	Wed, 20 Apr 2005 16:04:09 +0200 (CEST)
Received: by hammer.stack.nl (Postfix, from userid 333)
	id B2543641C; Wed, 20 Apr 2005 16:04:09 +0200 (CEST)
Date: Wed, 20 Apr 2005 16:04:09 +0200
From: Marc Olzheim <marcolz@stack.nl>
To: Brian Fundakowski Feldman <green@freebsd.org>
Message-ID: <20050420140409.GA77731@stack.nl>
References: <20050418092550.GA97539@stack.nl>
	<20050418092752.GB97539@stack.nl> <20050418202213.GC1157@green.homeunix.org>
	<20050418203321.GA88774@stack.nl> <20050419133227.GA11612@stack.nl>
	<20050419151800.GE1157@green.homeunix.org> <20050419160258.GA12287@stack.nl>
	<20050419160900.GB12287@stack.nl> <20050419161616.GF1157@green.homeunix.org>
	<20050419204723.GG1157@green.homeunix.org>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="UlVJffcvxoiEqYs2"
Content-Disposition: inline
In-Reply-To: <20050419204723.GG1157@green.homeunix.org>
X-Operating-System: FreeBSD hammer.stack.nl 5.4-STABLE FreeBSD 5.4-STABLE
X-URL: http://www.stack.nl/~marcolz/
User-Agent: Mutt/1.5.9i
cc: Marc Olzheim <marcolz@stack.nl>
cc: freebsd-hackers@freebsd.org
cc: freebsd-current@freebsd.org
Subject: Re: NFS client/buffer cache deadlock
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 20 Apr 2005 14:04:11 -0000


--UlVJffcvxoiEqYs2
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

On Tue, Apr 19, 2005 at 04:47:23PM -0400, Brian Fundakowski Feldman wrote:
> This compiles.

It does and it seems to work.  The NFS performance drops considerably
though, from 8/9 MByte/s to 3/4 on sequential reads for instance.

kern/79208 is fixed by this indeed, in that I get short writes (in case
of my test server at 1802240+ bytes, so './writev 2 foo' fails...

Marc

--UlVJffcvxoiEqYs2
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (FreeBSD)

iD8DBQFCZmFZezjnobFOgrERArNtAKC4NvqjLns4i6/ze5g2mtoefl0byQCfZ9Ih
a6KDrtrCOjFgVqA/1g5SFC8=
=m8tu
-----END PGP SIGNATURE-----

--UlVJffcvxoiEqYs2--