dmu_buf_user_t
dmu_buf_replace_user(dmu_buf_t *db_fake, dmu_buf_user_t *old_user,
dmu_buf_user_t *new_user)
dmu_buf_set_user(dmu_buf_t *db_fake, dmu_buf_user_t *user)
dmu_buf_set_user_ie(dmu_buf_t *db_fake, dmu_buf_user_t *user)
dmu_buf_remove_user(dmu_buf_t *db_fake, dmu_buf_user_t *user)
dmu_buf_user_t *dbu = db->db_user;
extern inline void dmu_buf_init_user(dmu_buf_user_t *dbu,
dmu_buf_user_t *db_user;
dmu_buf_init_user(dmu_buf_user_t *dbu, dmu_buf_evict_func_t *evict_func_sync,
void *dmu_buf_set_user(dmu_buf_t *db, dmu_buf_user_t *user);
void *dmu_buf_set_user_ie(dmu_buf_t *db, dmu_buf_user_t *user);
dmu_buf_user_t *old_user, dmu_buf_user_t *new_user);
void *dmu_buf_remove_user(dmu_buf_t *db, dmu_buf_user_t *user);
dmu_buf_user_t dnc_dbu; /* User evict data */
dmu_buf_user_t ds_dbu;
dmu_buf_user_t dd_dbu;
dmu_buf_user_t sa_dbu;
dmu_buf_user_t zap_dbu;
dmu_buf_user_t l_dbu;