From owner-freebsd-fs@FreeBSD.ORG Thu Sep 11 00:05:46 2008 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3040A106564A for ; Thu, 11 Sep 2008 00:05:46 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from tarsier.delphij.net (unknown [IPv6:2001:470:1f03:2c9::2]) by mx1.freebsd.org (Postfix) with ESMTP id 249568FC08 for ; Thu, 11 Sep 2008 00:05:44 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from tarsier.geekcn.org (tarsier.geekcn.org [211.166.10.233]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by tarsier.delphij.net (Postfix) with ESMTPS id E7E942844D for ; Thu, 11 Sep 2008 08:05:42 +0800 (CST) Received: from localhost (tarsier.geekcn.org [211.166.10.233]) by tarsier.geekcn.org (Postfix) with ESMTP id 7C44FF645A2; Thu, 11 Sep 2008 08:05:42 +0800 (CST) X-Virus-Scanned: amavisd-new at geekcn.org Received: from tarsier.geekcn.org ([211.166.10.233]) by localhost (mail.geekcn.org [211.166.10.233]) (amavisd-new, port 10024) with ESMTP id Tgo1pCuNjL-U; Thu, 11 Sep 2008 08:05:37 +0800 (CST) Received: from charlie.delphij.net (71.5.7.139.ptr.us.xo.net [71.5.7.139]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by tarsier.geekcn.org (Postfix) with ESMTPSA id A6E13F64327; Thu, 11 Sep 2008 08:05:36 +0800 (CST) DomainKey-Signature: a=rsa-sha1; s=default; d=delphij.net; c=nofws; q=dns; h=message-id:date:from:reply-to:organization:user-agent: mime-version:to:subject:x-enigmail-version:openpgp:content-type:content-transfer-encoding; b=gGLsJztUcUlE3OpihvdYtVAinmR0ACG+RYXgpxem6FyEQEJqY8EYqQMnKHcYliVnb AbZvT0jgNuIiqZo0C/z/Q== Message-ID: <48C860CD.4030507@delphij.net> Date: Wed, 10 Sep 2008 17:05:33 -0700 From: Xin LI Organization: The FreeBSD Project User-Agent: Thunderbird 2.0.0.16 (X11/20080725) MIME-Version: 1.0 To: freebsd-fs@freebsd.org X-Enigmail-Version: 0.95.7 OpenPGP: id=18EDEBA0; url=http://www.delphij.net/delphij.asc Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Documentation on VM/VFS? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: d@delphij.net List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Sep 2008 00:05:46 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I think I get confused with some concepts, is there any place that I can find some (either brief overview or in-depth) documentation about VM/VFS, especially the caching mechanism? Specifically, e.g. is it possible to skip the VM/VFS cache, and hand a page directly to the cache subsystem which is already in main memory? Some surrounding information would be useful as well. Thanks in advance! Cheers, - -- Xin LI http://www.delphij.net/ FreeBSD - The Power to Serve! -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkjIYM0ACgkQi+vbBBjt66AQQACgj2C5u0rxJzIqrdH8dfGQfhTb c6sAn0dAPw2abFfIr7o9slPj56lEi0nK =J9ZU -----END PGP SIGNATURE-----