zil replay while opening dataset (#32)

* [GIT#31] zil_replay during open_dataset, flush API, fix for issue in uzfs_close_dataset

.travis.yml

@@ -38,8 +38,6 @@ install:
       fi
     - cd ../ZoL
     - sh autogen.sh
-    - ./configure --enable-code-coverage=yes
-    - make cstyle
     - if [ $ZFS_BUILD_TAGS = 0 ]; then
         ./configure --enable-code-coverage=yes --enable-debug --enable-uzfs=yes --with-jemalloc;
         make;
@@ -53,9 +51,7 @@ before_script:
 script:
     # run ztest and test supported zio backends
     - if [ $ZFS_BUILD_TAGS = 0 ]; then
-        truncate -s 2G /tmp/ztest.1a;
-        truncate -s 2G /tmp/ztest.2a;
-        truncate -s 256M /tmp/ztest.log;
+        sudo mkdir /etc/zfs
         travis_wait 60 ./tests/cbtest/gtest/test_uzfs && ./tests/cbtest/script/uzfs_cli.sh && ./cmd/uzfs_test/uzfs_test;
         travis_wait 10 ./cmd/ztest/ztest;
         truncate -s 100MB /tmp/disk;
@@ -67,6 +63,7 @@ script:
         sudo losetup -d /dev/fake-dev;
         sudo rm /dev/fake-dev;
         rm /tmp/disk;
+        travis_wait 10 bash cmd/uzfs_test/uzfs_test_sync.sh cmd/uzfs_test/;
       else
         if [ $TRAVIS_BRANCH = "zfs-0.7-release" ]; then
           travis_wait 100 /usr/share/zfs/zfs-tests.sh -r linux_cstor.run -v;

cmd/uzfs_test/.gitignore

@@ -0,0 +1,2 @@
+/uzfs_test
+/uzfs_test_sync

cmd/uzfs_test/Makefile.am

@@ -22,3 +22,18 @@ uzfs_test_LDADD = \
 	$(top_builddir)/lib/libzfs_core/libzfs_core.la
 
 uzfs_test_LDADD += -lm
+
+sbin_PROGRAMS += uzfs_test_sync
+
+uzfs_test_sync_SOURCES = \
+	uzfs_test_sync.c
+
+uzfs_test_sync_LDADD = \
+	$(top_builddir)/lib/libnvpair/libnvpair.la \
+	$(top_builddir)/lib/libuutil/libuutil.la \
+	$(top_builddir)/lib/libzpool/libzpool.la \
+	$(top_builddir)/lib/libzfs/libzfs.la \
+	$(top_builddir)/lib/libzfs_core/libzfs_core.la
+
+uzfs_test_sync_LDADD += -lm
+

cmd/uzfs_test/uzfs_test.c

@@ -300,7 +300,8 @@ unit_test_create_pool_ds(void)
 		exit(1);
 	}
 
-	uzfs_close_pool(spa, zv);
+	uzfs_close_dataset(zv);
+	uzfs_close_pool(spa);
 }
 
 static void usage(int num)
@@ -487,6 +488,7 @@ main(int argc, char **argv)
 	cv_destroy(&cv);
 	mutex_destroy(&mtx);
 
-	uzfs_close_pool(spa, zv);
+	uzfs_close_dataset(zv);
+	uzfs_close_pool(spa);
 	uzfs_fini();
 }