Samsung's F2FS filesystem

Back in August, a linux-kernel discussion on removable device filesystems hinted at a new filesystem waiting in the wings. It now seems clear that said filesystem was the just-announced F2FS, a flash-friendly filesystem from Samsung. "F2FS is a new file system carefully designed for the NAND flash memory-based storage devices. We chose a log structure file system approach, but we tried to adapt it to the new form of storage." See the associated documentation file for details on the F2FS on-disk format and how it works.

[Update: Also see Neil Brown's dissection of f2fs on this week's kernel page.]

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