From patchwork Fri Mar 22 11:53:28 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Shilong X-Patchwork-Id: 2319131 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 712433FD8C for ; Fri, 22 Mar 2013 11:53:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933081Ab3CVLxg (ORCPT ); Fri, 22 Mar 2013 07:53:36 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:56332 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932825Ab3CVLxg (ORCPT ); Fri, 22 Mar 2013 07:53:36 -0400 Received: by mail-pb0-f46.google.com with SMTP id uo15so3030339pbc.19 for ; Fri, 22 Mar 2013 04:53:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:mime-version :content-type:content-transfer-encoding; bh=QlD7cHvk1+YquUp8wP1vrc5c7MFLTrE6zq1UpdaKOqU=; b=qN499DykB7KWifQ/Xtmsga3VwXdxXSdpGQxC0SFdoCnHeUkLJl9jx22bSWD+g+4lZm HYruLp0U5BhJLgAPrAND0nNSCvthaR5ePtC8vLscPb2G9aI2Ccx5RenmYseswBqq5uKW Iiat1sfnM2lUHOCJWJmCpEV5CfT0cfgkdV+J7wOKc00j5mzG1RG5cSQEWRR8DpOrSyNo oQr0OK5cZdlLQ3lkIOlCxFymWeLMY0bXmb3+b5XPMNNO6K/XuNgN1l5Pa4ivWqum+c4/ GWBpqqRelPYxOhP2qWiFJcALXeahBaNDYYOpIWDo0mZJb1ACOp3VP72EZwNUN4vqCfv4 xPzw== X-Received: by 10.66.168.6 with SMTP id zs6mr2867810pab.5.1363953215656; Fri, 22 Mar 2013 04:53:35 -0700 (PDT) Received: from localhost.localdomain.localdomain ([183.213.84.189]) by mx.google.com with ESMTPS id m18sm2718822pad.17.2013.03.22.04.53.33 (version=TLSv1 cipher=RC4-SHA bits=128/128); Fri, 22 Mar 2013 04:53:35 -0700 (PDT) From: Wang Shilong To: linux-btrfs@vger.kernel.org Cc: koen.de.wit@oracle.com, wangshilong1991@gmail.com Subject: [PATCH] Btrfs-progs: fix overflow when printing qgroup info Date: Fri, 22 Mar 2013 19:53:28 +0800 Message-Id: <1363953208-2342-1-git-send-email-wangshilong1991@gmail.com> X-Mailer: git-send-email 1.7.11.7 MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Wang Shilong Since btrfs quota rescan has not been implemented yet, a user complains that "btrfs qgroup show" lists qgroup referenced/exclusive be negative. However, this should not happen even if overflow happens,because the type for qgroup referenced/exclusive is u64,fix it. Signed-off-by: Wang Shilong Reported-by: Koen De Wit --- cmds-qgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cmds-qgroup.c b/cmds-qgroup.c index 60ca33d..fc4cb13 100644 --- a/cmds-qgroup.c +++ b/cmds-qgroup.c @@ -105,7 +105,7 @@ static int qgroup_create(int create, int argc, char **argv) void print_qgroup_info(u64 objectid, struct btrfs_qgroup_info_item *info) { - printf("%llu/%llu %lld %lld\n", objectid >> 48, + printf("%llu/%llu %llu %llu\n", objectid >> 48, objectid & ((1ll << 48) - 1), btrfs_stack_qgroup_info_referenced(info), btrfs_stack_qgroup_info_exclusive(info));