ftl: use va for ftl_read()/ftl_write() and pages for ftl_trim()/ftl_is_mapped()

source/ftl/ftl.c

@@ -14,8 +14,6 @@
 
 int ftl_is_mapped(struct ftl_map *map, uint32_t va)
 {
-	va = align(va, map->log2_page_size);
-
 	if (trace_path(map, NULL, NULL, va) < 0)
 		return 0;
 
@@ -29,7 +27,7 @@ size_t ftl_read(struct ftl_map *map, void *data, size_t len, uint32_t va)
 
 	mask = ((1 << map->log2_page_size) - 1);
 	offset = va & mask;
-	va = va & ~mask;
+	va >>= map->log2_page_size;
 
 	if ((ret = trace_path(map, NULL, &page, va)) < 0) {
 		memset(data, 0, len);
@@ -59,7 +57,7 @@ size_t ftl_write(struct ftl_map *map, uint32_t va, const void *udata,
 
 	mask = ((1 << map->log2_page_size) - 1);
 	offset = va & mask;
-	va = va & ~mask;
+	va >>= map->log2_page_size;
 
 	if ((ret = trace_path(map, &page_desc, &page, va)) < 0 &&
 		ret != -ERR_NOT_FOUND)