- aio_context = bdrv_get_aio_context(bs);
- replace_aio_context = bdrv_get_aio_context(to_replace_bs);
- /*
- * bdrv_getlength() is a co-wrapper and uses AIO_WAIT_WHILE. Be sure not
- * to acquire the same AioContext twice.
- */
- if (replace_aio_context != aio_context) {
- aio_context_acquire(replace_aio_context);
- }