From owner-cvs-src@FreeBSD.ORG Mon Apr 10 10:42:35 2006 Return-Path: X-Original-To: cvs-src@FreeBSD.org Delivered-To: cvs-src@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CE0E316A402; Mon, 10 Apr 2006 10:42:35 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.FreeBSD.org (Postfix) with ESMTP id 33C7843D49; Mon, 10 Apr 2006 10:42:34 +0000 (GMT) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id D861752BC8; Mon, 10 Apr 2006 12:42:32 +0200 (CEST) Received: from localhost (ana50.internetdsl.tpnet.pl [83.17.82.50]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 4757D50F93; Mon, 10 Apr 2006 12:42:26 +0200 (CEST) Date: Mon, 10 Apr 2006 12:41:18 +0200 From: Pawel Jakub Dawidek To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Message-ID: <20060410104118.GD3728@garage.freebsd.pl> References: <200604101003.k3AA3iMK023510@repoman.freebsd.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="PHCdUe6m4AxPMzOu" Content-Disposition: inline In-Reply-To: <200604101003.k3AA3iMK023510@repoman.freebsd.org> X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 User-Agent: mutt-ng/devel-r535 (FreeBSD) X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-5.9 required=3.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Cc: Subject: Re: cvs commit: src/sys/kern kern_shutdown.c src/sys/vm swap_pager.c swap_pager.h X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Apr 2006 10:42:35 -0000 --PHCdUe6m4AxPMzOu Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 10, 2006 at 10:03:41AM +0000, Pawel Jakub Dawidek wrote: +> pjd 2006-04-10 10:03:41 UTC +>=20 +> FreeBSD src repository +>=20 +> Modified files: +> sys/kern kern_shutdown.c=20 +> sys/vm swap_pager.c swap_pager.h=20 +> Log: +> On shutdown try to turn off all swap devices. This way GEOM providers = are +> properly closed on shutdown. The hard situation to solve is when we have, eg. file-backed md(4) devices which we use as a swap device. We can also configure swap-backed md(4) device and create and mount file system on it. To solve such complex scenario we need to reimplement vfs_unmountall() and swapoff_all() to return number of unmounted file system (removed swap devices) and do something like: vfs_unmountall(); swapoff_all(); for (;;) { n =3D vfs_unmountall(); if (n =3D=3D 0) break; n =3D swapoff_all(); if (n =3D=3D 0) break; } --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --PHCdUe6m4AxPMzOu Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFEOjZOForvXbEpPzQRAhZIAKDWrQz4r8U42iElBZvM51z95dULfgCg1wAl kXPitBaBT/lLl9BAugwS9po= =oH9v -----END PGP SIGNATURE----- --PHCdUe6m4AxPMzOu--