-int nand_write_opts(nand_info_t *meminfo, const nand_write_options_t *opts);
-
-int nand_read_opts(nand_info_t *meminfo, const nand_read_options_t *opts);
+int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+ u_char *buffer);
+int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+ u_char *buffer);