348 	struct buffer_aux *aux = dm_bufio_get_aux_data(buf);  in dm_block_manager_alloc_callback()  local
349 	aux->validator = NULL;  in dm_block_manager_alloc_callback()
350 	bl_init(&aux->lock);  in dm_block_manager_alloc_callback()
355 	struct buffer_aux *aux = dm_bufio_get_aux_data(buf);  in dm_block_manager_write_callback()  local
356 	if (aux->validator) {  in dm_block_manager_write_callback()
357 		aux->validator->prepare_for_write(aux->validator, (struct dm_block *) buf,  in dm_block_manager_write_callback()
423 				 struct buffer_aux *aux,  in dm_bm_validate_buffer()  argument
426 	if (unlikely(!aux->validator)) {  in dm_bm_validate_buffer()
436 		aux->validator = v;  in dm_bm_validate_buffer()
438 		if (unlikely(aux->validator != v)) {  in dm_bm_validate_buffer()
440 				    aux->validator->name, v ? v->name : "NULL",  in dm_bm_validate_buffer()
452 	struct buffer_aux *aux;  in dm_bm_read_lock()  local
460 	aux = dm_bufio_get_aux_data(to_buffer(*result));  in dm_bm_read_lock()
461 	r = bl_down_read(&aux->lock);  in dm_bm_read_lock()
468 	aux->write_locked = 0;  in dm_bm_read_lock()
470 	r = dm_bm_validate_buffer(bm, to_buffer(*result), aux, v);  in dm_bm_read_lock()
472 		bl_up_read(&aux->lock);  in dm_bm_read_lock()
485 	struct buffer_aux *aux;  in dm_bm_write_lock()  local
496 	aux = dm_bufio_get_aux_data(to_buffer(*result));  in dm_bm_write_lock()
497 	r = bl_down_write(&aux->lock);  in dm_bm_write_lock()
504 	aux->write_locked = 1;  in dm_bm_write_lock()
506 	r = dm_bm_validate_buffer(bm, to_buffer(*result), aux, v);  in dm_bm_write_lock()
508 		bl_up_write(&aux->lock);  in dm_bm_write_lock()
521 	struct buffer_aux *aux;  in dm_bm_read_try_lock()  local
531 	aux = dm_bufio_get_aux_data(to_buffer(*result));  in dm_bm_read_try_lock()
532 	r = bl_down_read_nonblock(&aux->lock);  in dm_bm_read_try_lock()
538 	aux->write_locked = 0;  in dm_bm_read_try_lock()
540 	r = dm_bm_validate_buffer(bm, to_buffer(*result), aux, v);  in dm_bm_read_try_lock()
542 		bl_up_read(&aux->lock);  in dm_bm_read_try_lock()
555 	struct buffer_aux *aux;  in dm_bm_write_lock_zero()  local
567 	aux = dm_bufio_get_aux_data(to_buffer(*result));  in dm_bm_write_lock_zero()
568 	r = bl_down_write(&aux->lock);  in dm_bm_write_lock_zero()
574 	aux->write_locked = 1;  in dm_bm_write_lock_zero()
575 	aux->validator = v;  in dm_bm_write_lock_zero()
583 	struct buffer_aux *aux;  in dm_bm_unlock()  local
584 	aux = dm_bufio_get_aux_data(to_buffer(b));  in dm_bm_unlock()
586 	if (aux->write_locked) {  in dm_bm_unlock()
588 		bl_up_write(&aux->lock);  in dm_bm_unlock()
590 		bl_up_read(&aux->lock);  in dm_bm_unlock()