ftl: change uint8_t to void in write_upage

source/ftl/ftl.c

@@ -36,7 +36,7 @@ int ftl_read(struct ftl_map *map, void *data, size_t len, uint32_t va)
 int ftl_write(struct ftl_map *map, uint32_t va, const void *udata,
 	size_t len)
 {
-	uint8_t data[1 << map->log2_page_size];
+	char data[1 << map->log2_page_size];
 	struct ftl_page_desc page_desc;
 	int ret;
 	uint32_t mask, offset, page;

source/ftl/map.c

@@ -119,7 +119,7 @@ static int write_page_desc(struct ftl_map *map,
  * group, whereupon the head is incremented to point to the next available user
  * page.
  */
-int write_upage(struct ftl_map *map, const uint8_t *page,
+int write_upage(struct ftl_map *map, const void *page,
 	const struct ftl_page_desc *page_desc)
 {
 	if (prepare_head(map) < 0)

source/ftl/map.h

@@ -6,7 +6,7 @@ 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_upage(struct ftl_map *map, const uint8_t *page,
+int write_upage(struct ftl_map *map, const void *page,
 	const 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);