#unconditional
IORING_SETUP_IOPOLL
IORING_SETUP_SQPOLL
IORING_SETUP_SQ_AFF
IORING_SETUP_CQSIZE
IORING_SETUP_CLAMP
IORING_SETUP_ATTACH_WQ
IORING_SETUP_R_DISABLED
IORING_SETUP_SUBMIT_ALL
IORING_SETUP_COOP_TASKRUN
IORING_SETUP_TASKRUN_FLAG
IORING_SETUP_SQE128
IORING_SETUP_CQE32
IORING_SETUP_SINGLE_ISSUER
IORING_SETUP_DEFER_TASKRUN
IORING_SETUP_NO_MMAP
IORING_SETUP_REGISTERED_FD_ONLY