We can use simple enum for values that are not part of on-disk format: global filesystem states.
Signed-off-by: David Sterba <dste...@suse.com> --- fs/btrfs/ctree.h | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index a98507fa9192..f82ec5e41b0c 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -109,13 +109,26 @@ static inline unsigned long btrfs_chunk_item_size(int num_stripes) } /* - * File system states + * Runtime (in-memory) states of filesystem */ -#define BTRFS_FS_STATE_ERROR 0 -#define BTRFS_FS_STATE_REMOUNTING 1 -#define BTRFS_FS_STATE_TRANS_ABORTED 2 -#define BTRFS_FS_STATE_DEV_REPLACING 3 -#define BTRFS_FS_STATE_DUMMY_FS_INFO 4 +enum { + /* Global indicator of serious filesysystem errors */ + BTRFS_FS_STATE_ERROR, + /* + * Filesystem is being remounted, allow to skip some operations, like + * defrag + */ + BTRFS_FS_STATE_REMOUNTING, + /* Track if the transaction abort has been reported */ + BTRFS_FS_STATE_TRANS_ABORTED, + /* + * Indicate that replace source or target device state is changed and + * allow to block bio operations + */ + BTRFS_FS_STATE_DEV_REPLACING, + /* The btrfs_fs_info created for self-tests */ + BTRFS_FS_STATE_DUMMY_FS_INFO, +}; #define BTRFS_BACKREF_REV_MAX 256 #define BTRFS_BACKREF_REV_SHIFT 56 -- 2.19.1