FAST '24 - I/O Passthru: Upstreaming a flexible and efficient I/O Path in Linux

FAST '24 - I/O Passthru: Upstreaming a flexible and efficient I/O Path in Linux

Kanchan Joshi, Anuj Gupta, Javier González, Ankit Kumar, Krishna Kanth Reddy, Arun George, and Simon Lund, Samsung Semiconductor; Jens Axboe, Meta Platforms Inc.

New storage interfaces continue to emerge fast on Non-Volatile Memory Express (NVMe) storage. Fitting these innovations in the general-purpose I/O stack of operating systems has been challenging and time-consuming. The NVMe standard is no longer limited to block-I/O, but the Linux I/O advances …

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