YAFFS is a log-structured filesystem. It is designed particularly for NAND (as opposed to NOR) flash, to be flash-friendly, robust due to journalling, and to have low RAM and boot time overheads. File data is stored in 'chunks'. Chunks are the same
本源码为2012-12下载的最新版（www.aleph1.co.uk/yaffs2），支持2.6.x.内核。 We'll start by assuming you have a building linux 2.6.x source tree called linux-dir and have the yaffs2 source code in a directory calls yaffs-dir. 详见readme
