Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754739AbXFDN7a (ORCPT ); Mon, 4 Jun 2007 09:59:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753165AbXFDN7W (ORCPT ); Mon, 4 Jun 2007 09:59:22 -0400 Received: from nz-out-0506.google.com ([64.233.162.233]:9095 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753098AbXFDN7V (ORCPT ); Mon, 4 Jun 2007 09:59:21 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=gNBf71zcAdO7fBznIRpqf2d9AcjYgm9yU86Ze3Hm6ViVfO8uM9ylb1FXMhpVjcAYIy1UFqZdmi+MR5ojNt7wa9DYSfRhun2ce3FHWn8CnaFPsgi9hZrNL7nWLezCZRnkMtwphFrKxdR/TAn6FxLW/An+XWa2uUyjnSxUM1c89kw= Message-ID: Date: Mon, 4 Jun 2007 09:59:19 -0400 From: "Aaron Wiebe" To: "Neil Brown" Subject: Re: slow open() calls and o_nonblock Cc: linux-kernel@vger.kernel.org In-Reply-To: <18019.26871.317501.633363@notabene.brown> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <18019.21781.470399.393340@stoffel.org> <18019.26871.317501.633363@notabene.brown> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 896 Lines: 21 On 6/3/07, Neil Brown wrote: > > Have you tried the "nocto" mount option for your NFS filesystems. > > The cache-coherency rules of NFS require the client to check with the > server at each open. If you are the sole client on this filesystem, > then you don't need the same cache-coherency, and "nocto" will tell > the NFS client not to both checking with the server in information is > available in cache. No I haven't - I will research this a little further today. While we're not the only client using these filesystems, this process is (currently) the only process that writes to these files. Thanks for the suggestion. -Aaron - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/