An in-depth engineering analysis of Linux io_uring: dual-ring buffer architecture, system call interface, liburing programming, SQPOLL/IOPOLL modes, fixed buffers/files, performance benchmarks, and production deployment practices.
io_uring represents a fundamental rethinking of asynchronous I/O in the Linux kernel. Comprehensive deep dive into io_uring architecture, submission/completion queues, SQPOLL mode, fixed buffers, linked operations, multishot, and real-world performance benchmarks.