Yaffs（Yet Another Flash File System）文件系统是专门针对NAND 闪存设计的嵌入式文件系统，考虑到现在的NAND FLASH容量越做越大，该源码实现yaffs2在LINUX系统的自动选择挂载。-Yaffs (Yet Another Flash File System) file system is designed specifically for NAND flash memory embedded file system, taking into account the capacity of NAND FLASH is growing in volume, the source code to achieve yaffs2 in LINUX system automatically selects the mount.