#8437·tokio

Add helper method to probe kernel for io-uring for IO operation

Author: Daksh14Created Sep 9, 2026Updated Sep 17, 2026
LabelsA-tokioT-io-uring

Version tokio unstable io uring 1.53

Platform linux 4.0 and above

After the recent changes in the PR #8165, there's an IF statement that's used before every IO method to check

  1. Current Handle runtime exists
  2. if IO driver is enabled in the runtime driver
  3. If the IO operation is available in the kernel by probing and checking its io_uring opcode.

Try to put this condition in a helper statement in the Handle or Handle.driver` to make the condition readable easily and not have multiple if statement check before each IO operation. To not have the 3rd probe check, initialize io-uring before calling iopath in the driver

This also includes setting up io-uring in a way where rings are initialized during the runtime creation