return 0;
}
+int ext4fs_exists(const char *filename)
+{
+ int file_len;
+
+ file_len = ext4fs_open(filename);
+ return file_len >= 0;
+}
+
+int ext4fs_size(const char *filename)
+{
+ return ext4fs_open(filename);
+}
+
int ext4fs_read(char *buf, unsigned len)
{
if (ext4fs_root == NULL || ext4fs_file == NULL)