Fix bug: Overlay property not updated

a_test.go

@@ -24,6 +24,7 @@ func Test(t *testing.T) {
 	zfsTestDatasetOpen(t)
 	zfsTestDatasetSnapshot(t)
 	zfsTestDatasetOpenAll(t)
+	zfsTestDatasetSetProperty(t)
 
 	zfsTestDatasetDestroy(t)
 

common.go

@@ -246,6 +246,10 @@ const (
 	DatasetPropLogicalused
 	DatasetPropLogicalreferenced
 	DatasetPropInconsistent /* not exposed to the user */
+	DatasetPropFilesystemLimit
+	DatasetPropSnapshotLimit
+	DatasetPropFilesystemCount
+	DatasetPropSnapshotCount
 	DatasetPropSnapdev
 	DatasetPropAcltype
 	DatasetPropSelinuxContext

zfs_test.go

@@ -93,6 +93,32 @@ func zfsTestDatasetOpen(t *testing.T) {
 	print("PASS\n\n")
 }
 
+func zfsTestDatasetSetProperty(t *testing.T) {
+	println("TEST Dataset SetProp(", TSTDatasetPath, ") ... ")
+	d, err := zfs.DatasetOpen(TSTDatasetPath)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	defer d.Close()
+	if err = d.SetProperty(zfs.DatasetPropOverlay, "on"); err != nil {
+		t.Error(err)
+		return
+	}
+	if prop, err := d.GetProperty(zfs.DatasetPropOverlay); err != nil {
+		t.Error(err)
+		return
+	} else {
+		println(prop.Value)
+		if prop.Value != "on" {
+			t.Error(fmt.Errorf("Update of dataset property failed"))
+			return
+		}
+	}
+	print("PASS\n\n")
+	return
+}
+
 func zfsTestDatasetOpenAll(t *testing.T) {
 	println("TEST DatasetOpenAll()/DatasetCloseAll() ... ")
 	ds, err := zfs.DatasetOpenAll()

zpool_test.go

@@ -274,9 +274,9 @@ func zpoolTestPoolProp(t *testing.T) {
 	if pool, err := zfs.PoolOpen(TSTPoolName); err == nil {
 		defer pool.Close()
 		// Turn on snapshot listing for pool
-		pool.SetProperty(zfs.PoolPropListsnaps, "on")
+		pool.SetProperty(zfs.PoolPropListsnaps, "off")
 		// Verify change is succesfull
-		if pool.Properties[zfs.PoolPropListsnaps].Value != "on" {
+		if pool.Properties[zfs.PoolPropListsnaps].Value != "off" {
 			t.Error(fmt.Errorf("Update of pool property failed"))
 			return
 		}