Norman Maurer 1c42a37f67 Use IOSQE_ASYNC flag when submitting
Motivation:

At least in the throughput benchmarks it has shown that IOSQE_ASYNC
gives a lot of performance improvements. Lets enable it by default for
now and maybe make it configurable in the future

Modifications:

Use IOSEQ_ASYNC

Result:

Better performance
2020-09-04 20:22:28 +02:00
..
2020-09-04 20:22:28 +02:00