diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 208a1888ca07..3ebb5229660a 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -194,7 +194,11 @@ struct btrfs_root { int log_transid; /* No matter the commit succeeds or not*/ int log_transid_committed; - /* Just be updated when the commit succeeds. */ + /* + * Just be updated when the commit succeeds. Use + * btrfs_get_root_last_log_commit() and btrfs_set_root_last_log_commit() + * to access this field. + */ int last_log_commit; pid_t log_start_pid; @@ -328,6 +332,16 @@ static inline u64 btrfs_root_id(const struct btrfs_root *root) return root->root_key.objectid; } +static inline int btrfs_get_root_last_log_commit(const struct btrfs_root *root) +{ + return READ_ONCE(root->last_log_commit); +} + +static inline void btrfs_set_root_last_log_commit(struct btrfs_root *root, int commit_id) +{ + WRITE_ONCE(root->last_log_commit, commit_id); +} + /* * Structure that conveys information about an extent that is going to replace * all the extents in a file range. |