From mboxrd@z Thu Jan 1 00:00:00 1970 From: Miao Xie Subject: [RFC PATCH 1/4] Btrfs: add filesystem state for error handle Date: Thu, 25 Nov 2010 17:53:50 +0800 Message-ID: <4CEE322E.4020204@cn.fujitsu.com> Reply-To: miaox@cn.fujitsu.com Mime-Version: 1.0 Content-Type: text/plain; charset=GB2312 Cc: Linux Btrfs , Liu Bo To: Chris Mason , Josef Bacik Return-path: List-ID: From: Liu Bo Add filesystem state and two flags of it to tell if the filesystem is valid or insane now. Signed-off-by: Liu Bo Signed-off-by: Miao Xie --- fs/btrfs/ctree.h | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 8db9234..78b4c34 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -294,6 +294,16 @@ 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 + */ + +/* Unmount cleanly */ +#define BTRFS_SUPER_FLAG_VALID (1ULL << 2) +/* Errors detected */ +#define BTRFS_SUPER_FLAG_ERROR (1ULL << 3) + #define BTRFS_SUPER_FLAG_SEEDING (1ULL << 32) #define BTRFS_SUPER_FLAG_METADUMP (1ULL << 33) @@ -1050,6 +1060,9 @@ struct btrfs_fs_info { unsigned metadata_ratio; void *bdev_holder; + + /* filesystem state */ + unsigned short fs_state; }; /* -- 1.7.0.1