int yaffs_unmount2(const YCHAR *path, int force);
int yaffs_remount(const YCHAR *path, int force, int read_only);
+int yaffs_format(const YCHAR *path,
+ int unmount_flag,
+ int force_unmount_flag,
+ int remount_flag);
int yaffs_sync(const YCHAR *path) ;