Almost forgot to write this: When calling rados_aio_get_return_value on the callback of a write it is always returning 0. I would have expected the number of bytes written (or a value <0 on error). Qemu doesn't seem to care, so this isn't really a problem for me. Christian -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html