yaffs文件系统源码，YAFFS是第一个专门为NAND Flash存储器设计的嵌入式文件系统，适用于大容量的存储设备；并且是在GPL（General Public License）协议下发布的-yaffs file system source code, YAFFS is the first specifically for NAND Flash memory design for embedded file system for large-capacity storage devices