256 int ubi_leb_read(struct ubi_volume_desc *desc, int lnum, char *buf, int offset,
258 int ubi_leb_read_sg(struct ubi_volume_desc *desc, int lnum, struct ubi_sgl *sgl,
260 int ubi_leb_write(struct ubi_volume_desc *desc, int lnum, const void *buf,
262 int ubi_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf,
264 int ubi_leb_erase(struct ubi_volume_desc *desc, int lnum);
265 int ubi_leb_unmap(struct ubi_volume_desc *desc, int lnum);
266 int ubi_leb_map(struct ubi_volume_desc *desc, int lnum);
267 int ubi_is_mapped(struct ubi_volume_desc *desc, int lnum);
269 int ubi_flush(int ubi_num, int vol_id, int lnum);
275 static inline int ubi_read(struct ubi_volume_desc *desc, int lnum, char *buf,  in ubi_read()  argument
278 	return ubi_leb_read(desc, lnum, buf, offset, len, 0);  in ubi_read()
285 static inline int ubi_read_sg(struct ubi_volume_desc *desc, int lnum,  in ubi_read_sg()  argument
288 	return ubi_leb_read_sg(desc, lnum, sgl, offset, len, 0);  in ubi_read_sg()