OPPO Kernel Craftsman
Jan 22, 2020 · Fundamentals
Understanding the Flash‑Friendly File System (F2FS): Design, Implementation, and Future Directions
F2FS is a log‑structured, flash‑aware file system that transforms random writes into sequential ones, uses segment‑based layout, NAT indexing, and hot‑cold data segregation with sophisticated garbage‑collection to improve SSD performance, and is now deployed in Android devices with ongoing enhancements such as online resizing and cold‑data compression.
F2FSFlash StorageLinux kernel
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