config YAFFS_DIRECT bool config YAFFS_PROVIDE_DEFS bool config YAFFSFS_PROVIDE_VALUES bool config YAFFS2 bool "YAFFS2 filesystem support" select YAFFS_DIRECT select YAFFS_PROVIDE_DEFS select YAFFSFS_PROVIDE_VALUES help This provides access to YAFFS2 filesystems. Yet Another Flash Filesystem 2 is a filesystem designed specifically for NAND flash. It incorporates bad-block management and ensures that device writes are sequential regardless of filesystem activity.