From mboxrd@z Thu Jan 1 00:00:00 1970 From: liubo Subject: [RFC PATCH 1/4 v2] Btrfs: add filesystem state for error handle Date: Wed, 01 Dec 2010 18:19:56 +0800 Message-ID: <4CF6214C.70500@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Josef Bacik , liubo To: Linux Btrfs Return-path: List-ID: Add filesystem state and a flags to tell if the filesystem is valid or insane now. Signed-off-by: Liu Bo --- fs/btrfs/ctree.h | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) 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; }; /* -- 1.7.1