void __capa_get(struct obd_capa *ocapa);
struct obd_capa *capa_get(uid_t uid, int capa_op, __u64 mdsid,
unsigned long ino, __u32 igen, int type);
+struct obd_capa *filter_capa_get(struct lustre_capa *capa);
void capa_put(struct obd_capa *ocapa);
struct obd_capa *capa_renew(struct lustre_capa *capa, int type);
void capa_hmac(struct crypto_tfm *tfm, __u8 *key, struct lustre_capa *capa);