#pragma once

#define ERR_NOT_FOUND 2

int read_page_group(struct ftl_map *map,
	struct ftl_page_group *group, uint32_t group_no);
int read_page_desc(struct ftl_map *map,
	struct ftl_page_desc *page_desc, uint32_t upage);
int write_page_desc(struct ftl_map *map,
	struct ftl_page_desc *page_desc);
int write_upage(struct ftl_map *map, const void *page,
	struct ftl_page_desc *page_desc);
int trace_path(struct ftl_map *map, struct ftl_page_desc *new_page_desc,
	uint32_t *page, uint32_t va);