during ~master (2019-12-05T23:02:21Z)

SetupFeatures

io_uring_params->features flags

Values

Value	Meaning
NONE`0`
SINGLE_MMAP`1U << 0`	`IORING_FEAT_SINGLE_MMAP` (from Linux 5.4)
NODROP`1U << 1`	`IORING_FEAT_NODROP` (from Linux 5.5)