From: Liu Bo <[email protected]> Add filesystem state and two flags of it to tell if the filesystem is valid or insane now.
Signed-off-by: Liu Bo <[email protected]> Signed-off-by: Miao Xie <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
