+static inline const char *ddir_str(enum td_ddir ddir)
+{
+ static const char *__str[] = { NULL, "read", "write", "rw", "rand",
+ "randread", "randwrite", "randrw",
+ "trim", NULL, "trimwrite", NULL, "randtrim" };
+
+ return __str[ddir];
+}
+
+#define ddir_rw_sum(arr) \
+ ((arr)[DDIR_READ] + (arr)[DDIR_WRITE] + (arr)[DDIR_TRIM])