Merge branch 'master' of https://github.com/ben-ihelputech/fio

[fio.git] / io_ddir.h

diff --git a/io_ddir.h b/io_ddir.h
index deaa8b5a3705e3c99e435a64b7b44da6c9b4574b..296a9d04ac53cc1c44585ee736f8ea424375615d 100644 (file)
--- a/io_ddir.h
+++ b/io_ddir.h
@@ -16,13 +16,15 @@ enum fio_ddir {
        DDIR_RWDIR_SYNC_CNT = 4,
 };
 
+#define for_each_rw_ddir(ddir) for (enum fio_ddir ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
+
 static inline const char *io_ddir_name(enum fio_ddir ddir)
 {
        static const char *name[] = { "read", "write", "trim", "sync",
                                        "datasync", "sync_file_range",
                                        "wait", };
 
-       if (ddir < DDIR_LAST)
+       if (ddir >= 0 && ddir < DDIR_LAST)
                return name[ddir];
 
        return "invalid";