diff --git a/src/main/java/dev/dokan/dokan_java/AbstractDokanFileSystem.java b/src/main/java/dev/dokan/dokan_java/AbstractDokanFileSystem.java
index 3471433..318f843 100644
--- a/src/main/java/dev/dokan/dokan_java/AbstractDokanFileSystem.java
+++ b/src/main/java/dev/dokan/dokan_java/AbstractDokanFileSystem.java
@@ -173,7 +173,7 @@ private boolean isImplemented(String funcName) {
 	 * @param sectorSize the sector size
 	 * @param UNCName
 	 * @param threadCount the number of threads spawned for processing filesystem calls
-	 * @param options an {@link EnumIntegerSet} containing {@link MountOption}s
+	 * @param options an {@link MaskValueSet} containing {@link MountOption}s
 	 */
 	@Override
 	public final synchronized void mount(Path mountPoint, String volumeName, int volumeSerialnumber, boolean blocking, long timeout, long allocationUnitSize, long sectorSize, String UNCName, short threadCount, MaskValueSet<MountOption> options) {
diff --git a/src/main/java/dev/dokan/dokan_java/examples/DirListingFileSystem.java b/src/main/java/dev/dokan/dokan_java/examples/DirListingFileSystem.java
index 4f6025b..1c9ea81 100644
--- a/src/main/java/dev/dokan/dokan_java/examples/DirListingFileSystem.java
+++ b/src/main/java/dev/dokan/dokan_java/examples/DirListingFileSystem.java
@@ -10,22 +10,20 @@
 import dev.dokan.dokan_java.DokanOperations;
 import dev.dokan.dokan_java.DokanUtils;
 import dev.dokan.dokan_java.FileSystemInformation;
-import dev.dokan.dokan_java.constants.EnumInteger;
 import dev.dokan.dokan_java.constants.microsoft.CreateDisposition;
 import dev.dokan.dokan_java.constants.microsoft.CreateOption;
-import dev.dokan.dokan_java.constants.microsoft.FileAttribute;
 import dev.dokan.dokan_java.constants.microsoft.NtStatuses;
 import dev.dokan.dokan_java.constants.microsoft.Win32ErrorCodes;
+import dev.dokan.dokan_java.conv.EnumInteger;
+import dev.dokan.dokan_java.conv.MaskValueSet;
 import dev.dokan.dokan_java.structure.ByHandleFileInformation;
 import dev.dokan.dokan_java.structure.DokanFileInfo;
 import dev.dokan.dokan_java.structure.DokanIOSecurityContext;
-import dev.dokan.dokan_java.conv.MaskValueSet;
 
 import java.io.IOException;
 import java.nio.file.FileStore;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.attribute.DosFileAttributeView;
 import java.nio.file.attribute.DosFileAttributes;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.stream.Stream;
@@ -89,7 +87,7 @@ public int zwCreateFile(WString rawPath, DokanIOSecurityContext securityContext,
         }
 
         if (Files.isDirectory(p)) {
-            if ( EnumIntegerSet.enumSetFromInt(rawCreateOptions, CreateOption.values()).contains(CreateOption.FILE_NON_DIRECTORY_FILE)) {
+            if ( MaskValueSet.getSetFromInt(rawCreateOptions, CreateOption.values()).contains(CreateOption.FILE_NON_DIRECTORY_FILE)) {
                 return NtStatuses.STATUS_FILE_IS_A_DIRECTORY;
             } else {
                 dokanFileInfo.IsDirectory = 1;
@@ -102,6 +100,8 @@ public int zwCreateFile(WString rawPath, DokanIOSecurityContext securityContext,
         }
 
         dokanFileInfo.Context = val;
+        
+        return Win32ErrorCodes.ERROR_SUCCESS;
     }
 
     @Override