From patchwork Wed Feb 27 11:04:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Shilong X-Patchwork-Id: 2192881 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id A92FEDF2F2 for ; Wed, 27 Feb 2013 11:04:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757440Ab3B0LEX (ORCPT ); Wed, 27 Feb 2013 06:04:23 -0500 Received: from mail-pb0-f48.google.com ([209.85.160.48]:64501 "EHLO mail-pb0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756614Ab3B0LEX (ORCPT ); Wed, 27 Feb 2013 06:04:23 -0500 Received: by mail-pb0-f48.google.com with SMTP id wy12so303059pbc.21 for ; Wed, 27 Feb 2013 03:04:22 -0800 (PST) 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; bh=lKtfV1eI3GB7ofucgL7evYleOE9YSddpThU4iugFYMA=; b=KZFBBtsvr2LbZmS0rQidbZQ1xv5yHE6Yf48jD3ksvwy2QvjzJ7c46fAvHhwg1QRTyj 4B9gu21be0JBVRcSdXbXIyXr+5D2XukFBXdZzgbq9EYAjNVNEHb0EmlCsmzVgwymSJ89 Qkl0U89x2jUH2Qd2bmpo0yl5uojK/oXqKpUvYVHIMUsdOMVVXtsz+9rgdYgpG0pZGYRR Y9c37Hv4MOphR9yS1WyJZ97xAdd9BApj2xE4ayzd6RgXCABsr8GCHh9WRFBLQEuKLb0y uWPyUNuZKFtrNXrYbxUezkt1QTruYDjlwbK2uqiUzXeezdEfIrulaD9W9kTxUzjOrEpD NNJQ== X-Received: by 10.66.187.16 with SMTP id fo16mr6823242pac.48.1361963062901; Wed, 27 Feb 2013 03:04:22 -0800 (PST) Received: from localhost.localdomain ([112.23.170.203]) by mx.google.com with ESMTPS id ol7sm4327910pbb.14.2013.02.27.03.04.21 (version=TLSv1 cipher=RC4-SHA bits=128/128); Wed, 27 Feb 2013 03:04:22 -0800 (PST) From: Wang Shilong To: linux-btrfs@vger.kernel.org Cc: wangshilong1991@gmail.com Subject: [PATCH 2/2] Btrfs-progs: output the error reason when qgroup_show fails Date: Wed, 27 Feb 2013 19:04:18 +0800 Message-Id: <1361963058-1966-1-git-send-email-wangshilong1991@gmail.com> X-Mailer: git-send-email 1.7.11.7 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Wang Shilong The original code forgot to output the reason why the commands failed, fix it. Signed-off-by: Wang Shilong --- cmds-qgroup.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/cmds-qgroup.c b/cmds-qgroup.c index 79888c8..275f00f 100644 --- a/cmds-qgroup.c +++ b/cmds-qgroup.c @@ -298,6 +298,7 @@ static int cmd_qgroup_show(int argc, char **argv) { int ret = 0; int fd; + int e; char *path = argv[1]; if (check_argc_exact(argc, 2)) @@ -310,9 +311,11 @@ static int cmd_qgroup_show(int argc, char **argv) } ret = list_qgroups(fd); + e = errno; close(fd); if (ret < 0) { - fprintf(stderr, "ERROR: can't list qgroups\n"); + fprintf(stderr, "ERROR: can't list qgroups: %s\n", + strerror(e)); return 30; }