From 7374c73225daf45ffe5dc087e7873b4127a76f38 Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Wed, 19 Sep 2018 16:37:36 +0200
Subject: [PATCH] test/librbd/fsx: don't use time() for seeding

When starting multiple concurrent jobs with rbd_fsx task, all jobs get
the same seed.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 src/test/librbd/fsx.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/test/librbd/fsx.cc b/src/test/librbd/fsx.cc
index e03a6783e34e..dec8534f23a5 100644
--- a/src/test/librbd/fsx.cc
+++ b/src/test/librbd/fsx.cc
@@ -19,7 +19,6 @@
 #include <unistd.h>
 #include <getopt.h>
 #include <limits.h>
-#include <time.h>
 #include <strings.h>
 #if defined(__FreeBSD__)
 #include <sys/disk.h>
@@ -3250,7 +3249,7 @@ main(int argc, char **argv)
 		case 'S':
                         seed = getnum(optarg, &endp);
 			if (seed == 0)
-				seed = time(0) % 10000;
+				seed = std::random_device()() % 10000;
 			if (!quiet)
 				fprintf(stdout, "Seed set to %d\n", seed);
 			if (seed < 0)
-- 
2.47.3