librbd: print seed for all DiffIterate tests

This will aid debugging on failures, and give better coverage.

Signed-off-by: Sage Weil <sage@inktank.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/test/librbd/test_librbd.cc b/src/test/librbd/test_librbd.cc
index 2051b716963..8743e5aa521 100644
--- a/src/test/librbd/test_librbd.cc
+++ b/src/test/librbd/test_librbd.cc
@@ -1561,6 +1561,10 @@ TEST(LibRBD, DiffIterate)
   ASSERT_EQ("", create_one_pool_pp(pool_name, rados));
   ASSERT_EQ(0, rados.ioctx_create(pool_name.c_str(), ioctx));
 
+  int seed = getpid();
+  cout << "seed " << seed << std::endl;
+  srand(seed);
+
   {
     librbd::RBD rbd;
     librbd::Image image;
@@ -1627,6 +1631,10 @@ TEST(LibRBD, DiffIterateDiscard)
   ASSERT_EQ("", create_one_pool_pp(pool_name, rados));
   ASSERT_EQ(0, rados.ioctx_create(pool_name.c_str(), ioctx));
 
+  int seed = getpid();
+  cout << "seed " << seed << std::endl;
+  srand(seed);
+
   {
     librbd::RBD rbd;
     librbd::Image image;