From patchwork Fri Nov 12 23:17:56 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arne Jansen X-Patchwork-Id: 320852 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oACLITj3012920 for ; Fri, 12 Nov 2010 21:18:30 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757220Ab0KLVSB (ORCPT ); Fri, 12 Nov 2010 16:18:01 -0500 Received: from mailout-de.gmx.net ([213.165.64.22]:44986 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1757176Ab0KLVR7 (ORCPT ); Fri, 12 Nov 2010 16:17:59 -0500 Received: (qmail invoked by alias); 12 Nov 2010 21:17:54 -0000 Received: from btrfs.rzone.de (EHLO oglaroon.iata) [81.169.147.160] by mail.gmx.net (mp036) with SMTP; 12 Nov 2010 22:17:54 +0100 X-Authenticated: #7756412 X-Provags-ID: V01U2FsdGVkX19AUCU0SVxAQLoBa4opDxoCEUFGJRznbg4zA//+HH 6sc2WcnMnk/XAa From: Arne Jansen To: linux-btrfs@vger.kernel.org Cc: josef@redhat.com Subject: [PATCH] 'unused' calculated with wrong sign. Date: Sat, 13 Nov 2010 00:17:56 +0100 Message-Id: <1289603876-28542-1-git-send-email-sensille@gmx.net> X-Mailer: git-send-email 1.7.2.2 X-Y-GMX-Trusted: 0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Fri, 12 Nov 2010 21:18:30 +0000 (UTC) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index a541bc8..ddaf634 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3413,7 +3413,7 @@ again: * our reservation. */ if (unused <= space_info->total_bytes) { - unused -= space_info->total_bytes; + unused = space_info->total_bytes - unused; if (unused >= num_bytes) { if (!reserved) space_info->bytes_reserved += orig_bytes;