From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.fusionio.com ([66.114.96.30]:41768 "EHLO mx1.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932268Ab2ISRgc (ORCPT ); Wed, 19 Sep 2012 13:36:32 -0400 Date: Wed, 19 Sep 2012 13:36:28 -0400 From: Josef Bacik To: =?iso-8859-1?Q?Sw=E2mi?= Petaramesh CC: Josef Bacik , Linux Btrfs Subject: Re: "free space cache generation" ? Message-ID: <20120919173628.GD2272@localhost.localdomain> References: <50597CD5.5060001@petaramesh.org> <20120919160109.GC2272@localhost.localdomain> <505A013F.8000303@petaramesh.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" In-Reply-To: <505A013F.8000303@petaramesh.org> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Wed, Sep 19, 2012 at 11:30:39AM -0600, Swâmi Petaramesh wrote: > Le 19/09/2012 18:01, Josef Bacik a écrit : > > Yeah I need to just put those under a DEBUG ifdef, they aren't a big > > deal, just letting you know that the on disk cache is invalid and it > > will have to put it together ye olde fashioned way. > > ...But is it supposed to, and how to fix it ? It can happen for all sorts of different reasons. Did you have a unclean unmount at some point? Do you have a particularly full file system? I recently increased the size of the free space cache, so if you are not on a kernel with that patch you are more likely to run out of space while writing out free space cache and run into this problem. Thanks, Josef