rrm_exit
void rrm_exit(rrmlock_t *rrl, void *tag);
#define ZFS_EXIT(zfsvfs) rrm_exit(&(zfsvfs)->z_teardown_lock, FTAG)
rrm_exit(&(*zfvp)->z_teardown_lock, tag);
rrm_exit(&zfsvfs->z_teardown_lock, tag);
rrm_exit(&zfsvfs->z_teardown_lock, FTAG);
rrm_exit(&zfsvfs->z_teardown_lock, FTAG);
rrm_exit(&zfsvfs->z_teardown_lock, FTAG);