From owner-svn-src-user@FreeBSD.ORG Fri Jan 16 05:20:38 2009 Return-Path: Delivered-To: svn-src-user@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5F5A31065670; Fri, 16 Jan 2009 05:20:38 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: from rv-out-0506.google.com (rv-out-0506.google.com [209.85.198.229]) by mx1.freebsd.org (Postfix) with ESMTP id 212DD8FC12; Fri, 16 Jan 2009 05:20:38 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: by rv-out-0506.google.com with SMTP id f9so140729rvb.5 for ; Thu, 15 Jan 2009 21:20:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:sender :to:subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references :x-google-sender-auth; bh=XMFux3ruBEhQ+ZZ/M9xjPk3MYr3tfePkj60BQlitFbg=; b=bFao2Ptgk9LRGp1QA/PkPMxdvp1ibVz1dncyLNMTxm7bZN1eAo5VsMK48DnlLO1mCS NqAOmRBUecp4a5QW5SdvSUDvRy16TqfAduoNggS9WiVwBR/Pmgd/wiQ7hQiNqJNquHiO SCB6CLS0AJAOgbGjqDhFhBXbscPe47Uupbt4M= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=drmjET8LlEFbccLT/RLSFLh4yMcvQ55aIQYRHmVtzIOk7EDesb0lhbyAGhQyO7tUEQ tG9SNIgfn8RB+dbw7xIeDSg1wXowNzP2RedlDygsnzhKB+BehG3mLuzPyDlmUrgt+Dhy 8+1FJx6mJ4xXPRjLAiHsgefHH3cuOrXpxB3XY= Received: by 10.141.84.17 with SMTP id m17mr1009312rvl.252.1232083237692; Thu, 15 Jan 2009 21:20:37 -0800 (PST) Received: by 10.141.180.7 with HTTP; Thu, 15 Jan 2009 21:20:37 -0800 (PST) Message-ID: <3c1674c90901152120o6c1be5dal785c76eae536b757@mail.gmail.com> Date: Thu, 15 Jan 2009 21:20:37 -0800 From: "Kip Macy" Sender: mat.macy@gmail.com To: "John Baldwin" In-Reply-To: <200901151003.27545.jhb@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200901030200.n0320Arr013245@svn.freebsd.org> <200901151003.27545.jhb@freebsd.org> X-Google-Sender-Auth: 82c58b37e46f31e1 Cc: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: Re: svn commit: r186710 - user/kmacy/HEAD_fast_net/sys/kern X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Jan 2009 05:20:38 -0000 404 On Thu, Jan 15, 2009 at 7:03 AM, John Baldwin wrote: > On Friday 02 January 2009 9:00:10 pm Kip Macy wrote: >> Author: kmacy >> Date: Sat Jan 3 02:00:10 2009 >> New Revision: 186710 >> URL: http://svn.freebsd.org/changeset/base/186710 >> >> Log: >> convert name cache lock to rwlock for lookups > > I think you need to restart the lookup if you fail an upgrade. I've had a > patch to do that for years (literally) but it didn't help performance in > earlier tests by kris@. You can find one that does the restarts at > www.freebsd.org/~jhb/namei_rwlock.patch. > > -- > John Baldwin >