说明：  YAFFS2文件系统广泛用于嵌入式设备中，对NAND Flash有较好的支持，其虽然主要应用于Linux系统内，但由于为纯C语言代码实现，具有非常好的可移植性，因此也可以移植到其他操作系统下使用。 该源码包为YAFFS2的e57244d版本，分享共大家使用。
(The YAFFS/YAFFS2 file system is widely used in embedded devices, has a good support to NAND Flash, although it is mainly used in the Linux system, but the realization of pure C language code, with very good portability, so it can be transplanted to other operating system. The source package is the e57244d version of YAFFS2, sharing the use of the common people.)