From owner-freebsd-current Thu Oct 23 00:18:06 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id AAA05117 for current-outgoing; Thu, 23 Oct 1997 00:18:06 -0700 (PDT) (envelope-from owner-freebsd-current) Received: from schizo.dk.tfs.com (mail.trw.dk [195.8.133.123]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id AAA05110; Thu, 23 Oct 1997 00:17:59 -0700 (PDT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (critter.dk.tfs.com [140.145.230.252]) by schizo.dk.tfs.com (8.8.7/8.7.3) with ESMTP id JAA29759; Thu, 23 Oct 1997 09:17:26 +0200 (MET DST) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.8.7/8.8.7) with ESMTP id IAA00366; Thu, 23 Oct 1997 08:36:17 +0200 (CEST) To: Joao Carlos Mendes Luis cc: dyson@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: Info about MFS In-reply-to: Your message of "Wed, 22 Oct 1997 22:49:21 -0200." <199710230049.WAA07837@gaia.coppe.ufrj.br> Date: Thu, 23 Oct 1997 08:36:17 +0200 Message-ID: <364.877588577@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk In message <199710230049.WAA07837@gaia.coppe.ufrj.br>, Joao Carlos Mendes Luis writes: >#define quoting(John S. Dyson) >// My first-cut attempt of fixing MFS only helped a little. It is broken, >// and please don't bother using it until I, PHK or someone else fixes it. >// I am working on it right now. > >Talking about MFS remembered me about this. > >How hard would it be to implement Sun's tmpfs ? It's lots more >efficient in terms of memory use and speed than mfs. speed wise it's the same, memory use it's a lot better. Not very hard actually. All you have to do is to take a copy of sys/ufs/ffs/* and make it store it all on the swap-space. Many people have talked about this (me included), but nobody have done it so far. -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop."