+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",
+ NULL, "randtrimwrite" };
+
+ return __str[ddir];
+}