zrepl tests and checkpointed IO support

Author of the fix is Satbir.

Signed-off-by: Jan Kryl <jan.kryl@cloudbyte.com>

.travis.yml

@@ -18,6 +18,8 @@ env:
       ZFS_BUILD_TAGS=0
     - ZFS_TEST_TAGS=fio_test
       ZFS_BUILD_TAGS=0
+    - ZFS_TEST_TAGS=zrepl_test
+      ZFS_BUILD_TAGS=0
     - ZFS_BUILD_TAGS=1
 before_install:
     - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test

cmd/uzfs_test/Makefile.am

@@ -16,8 +16,10 @@ uzfs_test_SOURCES = \
 	uzfs_test_sync.c \
 	uzfs_zvol_zap.c \
 	uzfs_txg_diff.c \
+	zrepl_utest.c \
 	uzfs_rebuilding.c
 
+
 uzfs_test_LDADD = \
 	$(top_builddir)/lib/libnvpair/libnvpair.la \
 	$(top_builddir)/lib/libuutil/libuutil.la \

cmd/uzfs_test/uzfs_test.c

@@ -38,6 +38,7 @@ uint32_t uzfs_test_id = 0;
 uint32_t create = 0;
 char *pool = "testp";
 char *ds = "ds0";
+int max_iops = 0;
 
 uzfs_test_info_t uzfs_tests[] = {
 	{ uzfs_zvol_zap_operation, "uzfs zap operation test" },
@@ -47,6 +48,7 @@ uzfs_test_info_t uzfs_tests[] = {
 	    "test to verify modified blocks between two txg for zvol" },
 	{ uzfs_txg_diff_tree_test, "txg_diff_tree functionality test" },
 	{ uzfs_rebuild_test, "uzfs rebuild pool test"},
+	{ zrepl_utest, "ZFS replication test" },
 };
 
 uint64_t metaverify = 0;