diff options
Diffstat (limited to 'fs/btrfs/fs.h')
| -rw-r--r-- | fs/btrfs/fs.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h index d04b729cbdf3..318df6f9d9cb 100644 --- a/fs/btrfs/fs.h +++ b/fs/btrfs/fs.h @@ -423,6 +423,10 @@ struct btrfs_fs_info { * Should always be updated using btrfs_set_fs_generation(). */ u64 generation; + /* + * Always use btrfs_get_last_trans_committed() and + * btrfs_set_last_trans_committed() to read and update this field. + */ u64 last_trans_committed; /* * Generation of the last transaction used for block group relocation @@ -833,6 +837,16 @@ static inline void btrfs_set_fs_generation(struct btrfs_fs_info *fs_info, u64 ge WRITE_ONCE(fs_info->generation, gen); } +static inline u64 btrfs_get_last_trans_committed(const struct btrfs_fs_info *fs_info) +{ + return READ_ONCE(fs_info->last_trans_committed); +} + +static inline void btrfs_set_last_trans_committed(struct btrfs_fs_info *fs_info, u64 gen) +{ + WRITE_ONCE(fs_info->last_trans_committed, gen); +} + static inline void btrfs_set_last_root_drop_gen(struct btrfs_fs_info *fs_info, u64 gen) { |