-extern int lustre_idmap_add(struct lustre_idmap_table *t,
- uid_t ruid, uid_t luid,
- gid_t rgid, gid_t lgid);
-extern int lustre_idmap_del(struct lustre_idmap_table *t,
- uid_t ruid, uid_t luid,
- gid_t rgid, gid_t lgid);
-extern int lustre_idmap_lookup_uid(struct md_ucred *mu,
- struct lustre_idmap_table *t,
- int reverse, uid_t uid);
-extern int lustre_idmap_lookup_gid(struct md_ucred *mu,
- struct lustre_idmap_table *t,
- int reverse, gid_t gid);
-extern struct lustre_idmap_table *lustre_idmap_init(void);
-extern void lustre_idmap_fini(struct lustre_idmap_table *t);