From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dkim1.fusionio.com ([66.114.96.53]:33628 "EHLO dkim1.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752379Ab3I1M3z convert rfc822-to-8bit (ORCPT ); Sat, 28 Sep 2013 08:29:55 -0400 Received: from mx1.fusionio.com (unknown [10.101.1.160]) by dkim1.fusionio.com (Postfix) with ESMTP id 04AF77C0444 for ; Sat, 28 Sep 2013 06:29:55 -0600 (MDT) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 From: Chris Mason To: Saul Wold , References: <523B4036.7030204@linux.intel.com> In-Reply-To: <523B4036.7030204@linux.intel.com> Message-ID: <20130928122952.31924.54312@localhost.localdomain> Subject: Re: Issue building a file based rootfs image with mkfs.btrfs Date: Sat, 28 Sep 2013 08:29:52 -0400 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Quoting Saul Wold (2013-09-19 14:19:34) > Hi there, > > I am attempting to build a rootfs image from an existing rootfs > directory tree. I am using the 0.20 @ 194aa4a of Chris's git repo. > > The couple problem I saw was that the target image file needed to exist, > although I think I can patch that then the FS size was much larger than > the actual size, I tracked this to the usage of ftw not accounting for > symlinks, I have a patch for that which I will send once I finish > getting the other issues resolved. > > Next issue I hit was an assertion failure after getting "not enough free > space" message: > > not enough free space > add_file_items failed > unable to traverse_directory > Making image is aborted. > mkfs.btrfs: mkfs.c:1542: main: Assertion `!(ret)' failed. > > I am kind of stuck on this one, took it as far as I can right now. > Would I be better off dropping back to 0.19 or can we move forward > fixing this? Hi Saul, Update on my end, the problem is the image code expects every file to fit inside a single chunk. It's only creating 8MB chunks, so any file over 8MB in size is causing problems. I'm fixing it up here, I should have a patch for you on Monday. Thanks! -chris