From patchwork Wed Dec 1 10:19:56 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: liubo X-Patchwork-Id: 370801 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 oB1AJY9M026690 for ; Wed, 1 Dec 2010 10:19:34 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753887Ab0LAKTY (ORCPT ); Wed, 1 Dec 2010 05:19:24 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:63318 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753709Ab0LAKTX (ORCPT ); Wed, 1 Dec 2010 05:19:23 -0500 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 3068917011C; Wed, 1 Dec 2010 18:19:22 +0800 (CST) Received: from mailserver.fnst.cn.fujitus.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id oB1AEhso026108; Wed, 1 Dec 2010 18:14:44 +0800 Received: from localhost.localdomain ([10.167.225.27]) by mailserver.fnst.cn.fujitus.com (Lotus Domino Release 8.5.1FP4) with ESMTP id 2010120118193088-137357 ; Wed, 1 Dec 2010 18:19:30 +0800 Message-ID: <4CF6214C.70500@cn.fujitsu.com> Date: Wed, 01 Dec 2010 18:19:56 +0800 From: liubo User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Thunderbird/3.0b2 MIME-Version: 1.0 To: Linux Btrfs CC: Josef Bacik , liubo Subject: [RFC PATCH 1/4 v2] Btrfs: add filesystem state for error handle X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2010-12-01 18:19:30, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2010-12-01 18:19:33, Serialize complete at 2010-12-01 18:19:33 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]); Wed, 01 Dec 2010 10:19:34 +0000 (UTC) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 8db9234..92b5ca2 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -294,6 +294,14 @@ static inline unsigned long btrfs_chunk_item_size(int num_stripes) #define BTRFS_FSID_SIZE 16 #define BTRFS_HEADER_FLAG_WRITTEN (1ULL << 0) #define BTRFS_HEADER_FLAG_RELOC (1ULL << 1) + +/* + * File system states + */ + +/* Errors detected */ +#define BTRFS_SUPER_FLAG_ERROR (1ULL << 2) + #define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32) #define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33) @@ -1050,6 +1058,9 @@ struct btrfs_fs_info { unsigned metadata_ratio; void *bdev_holder; + + /* filesystem state */ + u64 fs_state; }; /*