int scrub_file_load(const struct lu_env *env, struct lustre_scrub *scrub);
int scrub_file_store(const struct lu_env *env, struct lustre_scrub *scrub);
bool scrub_needs_check(struct lustre_scrub *scrub, const struct lu_fid *fid,
u64 index);
int scrub_checkpoint(const struct lu_env *env, struct lustre_scrub *scrub);
int scrub_thread_prep(const struct lu_env *env, struct lustre_scrub *scrub,
int scrub_file_load(const struct lu_env *env, struct lustre_scrub *scrub);
int scrub_file_store(const struct lu_env *env, struct lustre_scrub *scrub);
bool scrub_needs_check(struct lustre_scrub *scrub, const struct lu_fid *fid,
u64 index);
int scrub_checkpoint(const struct lu_env *env, struct lustre_scrub *scrub);
int scrub_thread_prep(const struct lu_env *env, struct lustre_scrub *scrub,