SSDFS file system driver * DESCRIPTION SSDFS is flash-friendly file system is designed with the goals: (1) take into account the ZNS and FDP SSD models; (2) descrease as much as possible the write amplification issue; (3) eliminate the GC activity; (4) widely use the compression, compaction, delta-encoding, and deduplication; (5) prolong SSD lifetime; (6) store more data than physical capacity of the device; (7) guarantee stable performance; (8) provide the strong file system reliability; (9) give the easy way of data recovery in the case of failure or user mistakes.