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f2fs · shipping · also Flash-Friendly File System

F2FS

F2FS is a Linux log-structured filesystem designed for flash storage devices that expose a block interface.

Related Observatory article: F2FS on hesela.com

Its original design combines checkpoint-based recovery with a roll-forward path for selected synchronized file updates. These mechanisms differ from a database WAL and do not replace application transaction protocols. [1]

Relations

related
f2fs-checkpoint, f2fs-roll-forward-recovery, ftl, fsync

Citations

  1. Lee, Sim, Hwang and Cho (2015). F2FS: A New File System for Flash Storage. FAST 15, pp. 273-286, section 2.7. (accessed 2026-10-15)
  2. F2FS: when a successful fsync is not a recovery promise (accessed 2026-10-15)

JSON: /data/terms/f2fs.json