From patchwork Mon May 11 08:08:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 6373851 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0FDC6BEEE1 for ; Mon, 11 May 2015 08:09:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 49ED52037E for ; Mon, 11 May 2015 08:09:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6B6072035E for ; Mon, 11 May 2015 08:09:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752603AbbEKIJD (ORCPT ); Mon, 11 May 2015 04:09:03 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:6243 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752156AbbEKIJA (ORCPT ); Mon, 11 May 2015 04:09:00 -0400 X-IronPort-AV: E=Sophos;i="5.04,848,1406563200"; d="scan'208";a="91967342" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 11 May 2015 16:05:01 +0800 Received: from G08CNEXCHPEKD02.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id t4B87aFK028743 for ; Mon, 11 May 2015 16:07:36 +0800 Received: from localhost.localdomain (10.167.226.33) by G08CNEXCHPEKD02.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.181.6; Mon, 11 May 2015 16:08:59 +0800 From: Qu Wenruo To: Subject: [PATCH v2 01/13] btrfs-progs: Add CHANGIND_FSID and CHANGING_CHUNK_TREE_ID super flags. Date: Mon, 11 May 2015 16:08:42 +0800 Message-ID: <1431331734-11714-2-git-send-email-quwenruo@cn.fujitsu.com> X-Mailer: git-send-email 2.4.0 In-Reply-To: <1431331734-11714-1-git-send-email-quwenruo@cn.fujitsu.com> References: <1431331734-11714-1-git-send-email-quwenruo@cn.fujitsu.com> MIME-Version: 1.0 X-Originating-IP: [10.167.226.33] 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 Add these super flags to info kernel not to mount such unfinished fsid/chunk tree id changing. Signed-off-by: Qu Wenruo --- v2: Newly introduced. --- ctree.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/ctree.h b/ctree.h index 10dc838..8dc70a5 100644 --- a/ctree.h +++ b/ctree.h @@ -307,6 +307,8 @@ static inline unsigned long btrfs_chunk_item_size(int num_stripes) #define BTRFS_HEADER_FLAG_WRITTEN (1ULL << 0) #define BTRFS_HEADER_FLAG_RELOC (1ULL << 1) +#define BTRFS_SUPER_FLAG_CHANGING_FSID (1ULL << 30) +#define BTRFS_SUPER_FLAG_CHANGING_CHUNK_TREE_ID (1ULL << 31) #define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32) #define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33) #define BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34)