The layer structure of FFS based on the characteristic of FLASH is proposed in the design of FFS file system, and the researches are done on the function and realization way of every layer.

• FFS文件系统设计主要是基于FLASH存储芯片的特点提出了FFS文件系统设计的分层结构,并对各层的功能和实现方法及策略进行了研究探讨;