From owner-freebsd-fs@FreeBSD.ORG Mon Nov 17 12:56:13 2003 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3290B16A4CE for ; Mon, 17 Nov 2003 12:56:13 -0800 (PST) Received: from gw.catspoiler.org (217-ip-163.nccn.net [209.79.217.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id D956A43FBD for ; Mon, 17 Nov 2003 12:56:11 -0800 (PST) (envelope-from truckman@FreeBSD.org) Received: from FreeBSD.org (mousie.catspoiler.org [192.168.101.2]) by gw.catspoiler.org (8.12.9p2/8.12.9) with ESMTP id hAHKtreF088763; Mon, 17 Nov 2003 12:55:57 -0800 (PST) (envelope-from truckman@FreeBSD.org) Message-Id: <200311172055.hAHKtreF088763@gw.catspoiler.org> Date: Mon, 17 Nov 2003 12:55:53 -0800 (PST) From: Don Lewis To: kmarx@vicor.com In-Reply-To: <3FB911D8.5080300@vicor.com> MIME-Version: 1.0 Content-Type: TEXT/plain; charset=us-ascii cc: freebsd-fs@FreeBSD.org cc: mckusick@beastie.mckusick.com Subject: Re: 4.8 ffs_dirpref problem X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Nov 2003 20:56:13 -0000 On 17 Nov, Ken Marx wrote: > > Don Lewis wrote: >> Since I probably won't have time to get anything different tested before >> the -CURRENT code freeze, do you have any objections if I just MFC the >> code that I previously committed to -CURRENT? It certainly seems to >> perform better than the original code which is still in 4-STABLE. > Don, any fine points you put on our corse level of testing here > are fine with us. I belive any of the versions you suggest will > keep us well out of the crippling behavior that originally brought > this up. Ok, I'll do the commit as soon as I can do some testing on my -STABLE box. > I was able to run a couple more tests here, and *belive* that the > fix to the hash table in vfs_bio.c will provide some relief > for cg block searches when things do fall into the linear search case. I'll see about cranking out patch to use a Fibonacci hash. It'll probably be a little while before I can find sufficient time, though.