From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763093AbXGFHTs (ORCPT ); Fri, 6 Jul 2007 03:19:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753867AbXGFHTj (ORCPT ); Fri, 6 Jul 2007 03:19:39 -0400 Received: from nigel.suspend2.net ([203.171.70.205]:40825 "EHLO nigel.suspend2.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752059AbXGFHTi (ORCPT ); Fri, 6 Jul 2007 03:19:38 -0400 From: Nigel Cunningham Reply-To: nigel@suspend2.net To: Miklos Szeredi Subject: Re: [RFC][PATCH -mm] PM: Do not sync filesystems from within the freezer Date: Fri, 6 Jul 2007 17:19:34 +1000 User-Agent: KMail/1.9.6 Cc: nigel@suspend2.net, rjw@sisk.pl, pavel@ucw.cz, linux-pm@lists.linux-foundation.org, benh@kernel.crashing.org, linux-kernel@vger.kernel.org, mjg59@srcf.ucam.org, oliver@neukum.org, paulus@samba.org, mingo@elte.hu References: <200707041658.59588.rjw@sisk.pl> <200707061707.23316.nigel@nigel.suspend2.net> In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2001911.hDr84XMzzR"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200707061719.36054.nigel@nigel.suspend2.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --nextPart2001911.hDr84XMzzR Content-Type: text/plain; charset="cp 850" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi. On Friday 06 July 2007 17:13:27 Miklos Szeredi wrote: > > To get more serious and practical though, I think the solution is to > > fuzz the userspace/kernelspace distinction. What we really want to > > do is freeze things that submit I/O, then sync, then freeze anything > > that processes I/O and needs to be frozen. In effect, redefine fuse > > processes as freezeable kernel threads. >=20 > Another myth, that has been debunked already. The problem is: how do > you define fuse processes? There's no theoretical or even practial > way to do that. No theoretical or practical way?! I'll freely admit to being quite ignorant= =20 about fuse, but surely there's some way by which they can be distinguished. Regards, Nigel =2D-=20 See http://www.tuxonice.net for Howtos, FAQs, mailing lists, wiki and bugzilla info. --nextPart2001911.hDr84XMzzR Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQBGje0IN0y+n1M3mo0RAsI8AKDVne3j+dySUwP7nqn+n4PWYYY4nwCgtggq iJIlnJzslub4sJ8LypH4e/0= =p5BO -----END PGP SIGNATURE----- --nextPart2001911.hDr84XMzzR--