io_uring ⚬｜Definition｜1st｜20261013201127-00-⌔

io_uring - Wikipedia

io_uring

io_uring¹ is a Linux kernel system call interface for storage device asynchronous I/O operations. It addresses performance issues with similar interfaces provided by functions like read()/write() or aio_read()/aio_write() for operations on data accessed by file descriptors.²³${}^{:2}$

Printed 2026-10-13.

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Footnotes

1. Input/output user ring${}^{[1]}$ ↩

2. “Linux Kernel Getting io_uring To Deliver Fast & Efficient I/O”. Phoronix. 2019-02-14. Retrieved 2021-03-14. ↩

3. Axboe, Jens (October 15, 2019). “Efficient IO with io_uring” (PDF). Archived from the original on October 10, 2025. Retrieved November 9, 2025. ↩