Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1424321AbWKJAzV (ORCPT ); Thu, 9 Nov 2006 19:55:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1424322AbWKJAzV (ORCPT ); Thu, 9 Nov 2006 19:55:21 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:64225 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1424321AbWKJAzT (ORCPT ); Thu, 9 Nov 2006 19:55:19 -0500 Date: Fri, 10 Nov 2006 11:54:36 +1100 From: David Chinner To: Pavel Machek Cc: "Rafael J. Wysocki" , Alasdair G Kergon , Eric Sandeen , Andrew Morton , linux-kernel@vger.kernel.org, dm-devel@redhat.com, Srinivasa DS , Nigel Cunningham , David Chinner Subject: Re: [PATCH 2.6.19 5/5] fs: freeze_bdev with semaphore not mutex Message-ID: <20061110005436.GN8394166@melbourne.sgi.com> References: <20061107183459.GG6993@agk.surrey.redhat.com> <200611091652.34649.rjw@sisk.pl> <20061109160003.GA24156@elf.ucw.cz> <200611092059.48722.rjw@sisk.pl> <20061109211722.GA2616@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061109211722.GA2616@elf.ucw.cz> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 670 Lines: 20 On Thu, Nov 09, 2006 at 10:17:22PM +0100, Pavel Machek wrote: > Why not simply &~ PF_NOFREEZE on that particular process? Filesystems > are free to use threads/work queues/whatever, but refrigerator should > mean "no writes to filesystem" for them... Freezing the filesytem is the way to tell the filesystem "no more writes to the filesytem". Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group - 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/