F2FS Wiki

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• Multi-head logging

• Multi-level hash table for directory entries

• Static/Dynamic hot and cold data separation

• Adaptive logging scheme

• Configurable operational units

• Dual checkpoint

• Roll-back and roll-forward recovery

• Heap-style block allocation

• TRIM/FITRIM support

• Online fs defragmentation/file defragmentation

• Inline xattrs/data/dir

• Offline filesystem check (Check and fix inconsistency)

• Atomic operations

• Filesystem-level encryption

• Offline resizing

• Inner periodically data flush

• Extent cache