X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=io_ddir.h;h=296a9d04ac53cc1c44585ee736f8ea424375615d;hp=deaa8b5a3705e3c99e435a64b7b44da6c9b4574b;hb=dc8a3d629310d1ac9143d62c9f37ff16331737d5;hpb=092dfc6c778d8393256ac210b36ee3e5416080db

diff --git a/io_ddir.h b/io_ddir.h
index deaa8b5a..296a9d04 100644
--- 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";