Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 3 Oct 2002 13:40:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 3 Oct 2002 13:40:09 -0400 Received: from RAVEL.CODA.CS.CMU.EDU ([128.2.222.215]:53388 "EHLO ravel.coda.cs.cmu.edu") by vger.kernel.org with ESMTP id ; Thu, 3 Oct 2002 13:40:08 -0400 Date: Thu, 3 Oct 2002 13:45:40 -0400 To: linux-kernel@vger.kernel.org Subject: Re: [PATCH] AFS filesystem for Linux (2/2) Message-ID: <20021003174540.GB25718@ravel.coda.cs.cmu.edu> Mail-Followup-To: linux-kernel@vger.kernel.org References:

<13691.1033635939@warthog.cambridge.redhat.com> <20021003165304.GA25718@ravel.coda.cs.cmu.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021003165304.GA25718@ravel.coda.cs.cmu.edu> User-Agent: Mutt/1.4i From: Jan Harkes Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1039 Lines: 22 On Thu, Oct 03, 2002 at 12:53:04PM -0400, Jan Harkes wrote: > On Thu, Oct 03, 2002 at 10:05:39AM +0100, David Howells wrote: > > To have a heterogenous cache, the VLDB record and vnode index records could be > > extended to 2K or 4K in size, or maybe separate catalogues and indices could > > be maintained for different filesystem types, and a 0th tier could be a > > catalogue of different types held within this cache, complete with information > > as to the entry sizes of the tier 1, 2 and 3 catalogues. > > Or you could use a hash or a userspace daemon that can map a fs-specific > handle to a local cache file. I just thought of the fh_to_dentry stuff that is used by knfsd. Those fh keys should be just the right (and fs independent) thing to index such a generic fs-cache with. Jan - 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/