int ext4fs_init(void);
void ext4fs_deinit(void);
-int ext4fs_filename_check(char *filename);
+int ext4fs_filename_unlink(char *filename);
int ext4fs_write(const char *fname, unsigned char *buffer,
unsigned long sizebytes);
int ext4_write_file(const char *filename, void *buf, loff_t offset, loff_t len,