On 10/27/2014 09:45 AM, Ketor D wrote:
> The return code is 0 if success.I mod the code a bit and then run fio very well.
> I think if you fix this bug, the path will be nearly pefect!!
> 
> ret = rbd_aio_get_return_value(fri->completion);
> //printf("ret=%ld\n", ret);
> //if (ret != (int) io_u->xfer_buflen) {
> if (ret != 0) {
> if (ret >= 0) {
> io_u->resid = io_u->xfer_buflen - ret;
> io_u->error = 0;
> } else
> io_u->error = ret;
> }

Weird, so it does not do partial completions I assume. Modified -v8 to
take that into account, hopefully this just works out-of-the-box.

What does the performance numbers look like for your sync test with this?

-- 
Jens Axboe