From patchwork Thu Oct 16 01:53:37 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gui Hecheng X-Patchwork-Id: 5087591 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 864AFC11AC for ; Thu, 16 Oct 2014 01:54:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C2ECA20155 for ; Thu, 16 Oct 2014 01:54:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0AAD200FF for ; Thu, 16 Oct 2014 01:54:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752015AbaJPBys (ORCPT ); Wed, 15 Oct 2014 21:54:48 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:29942 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751484AbaJPByr (ORCPT ); Wed, 15 Oct 2014 21:54:47 -0400 X-IronPort-AV: E=Sophos;i="5.04,729,1406563200"; d="scan'208";a="37408789" Received: from localhost (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 16 Oct 2014 09:51:41 +0800 Received: from G08CNEXCHPEKD01.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id s9G1shlV001305 for ; Thu, 16 Oct 2014 09:54:43 +0800 Received: from localhost.localdomain (10.167.226.111) by G08CNEXCHPEKD01.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Thu, 16 Oct 2014 09:54:57 +0800 From: Gui Hecheng To: CC: Gui Hecheng Subject: [PATCH] btrfs: fix wrong pad for kernelspace arg of btrfs dev stat Date: Thu, 16 Oct 2014 09:53:37 +0800 Message-ID: <1413424419-15237-1-git-send-email-guihc.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.8.1.4 MIME-Version: 1.0 X-Originating-IP: [10.167.226.111] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The @btrfs_ioctl_get_dev_stats fails to pad to 1k as descripted, actually it valuates to 1032 bytes. The corresponding userspace change follows this change. Signed-off-by: Gui Hecheng --- include/uapi/linux/btrfs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index 2f47824..fc4e326 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -416,7 +416,7 @@ struct btrfs_ioctl_get_dev_stats { /* out values: */ __u64 values[BTRFS_DEV_STAT_VALUES_MAX]; - __u64 unused[128 - 2 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ + __u64 unused[128 - 3 - BTRFS_DEV_STAT_VALUES_MAX]; /* pad to 1k */ }; #define BTRFS_QUOTA_CTL_ENABLE 1