diff --git a/weed/s3api/s3api_object_handlers.go b/weed/s3api/s3api_object_handlers.go
index d4c8e94a3..ff7e92304 100644
--- a/weed/s3api/s3api_object_handlers.go
+++ b/weed/s3api/s3api_object_handlers.go
@@ -3,6 +3,8 @@ package s3api
 import (
 	"bytes"
 	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/filer"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"io"
 	"net/http"
 	"net/url"
diff --git a/weed/s3api/s3api_object_handlers_list.go b/weed/s3api/s3api_object_handlers_list.go
index 70e778270..591e1880b 100644
--- a/weed/s3api/s3api_object_handlers_list.go
+++ b/weed/s3api/s3api_object_handlers_list.go
@@ -155,7 +155,7 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 		}
 		// This is necessary for SQL request with WHERE `directory` || `name` > originalMarker
 		if len(originalMarker) > 0 && originalMarker[0:1] != "/" {
-			marker = getStartFileFromKey(originalMarker)
+			marker = s3a.getStartFileFromKey(originalMarker)
 		} else {
 			marker = originalMarker
 		}
@@ -163,7 +163,7 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 			Name:      bucket,
 			Prefix:    originalPrefix,
 			Marker:    originalMarker,
-			MaxKeys:   maxKeys,
+			MaxKeys:   int(maxKeys),
 			Delimiter: delimiter,
 		}
 		if encodingTypeUrl {
@@ -183,7 +183,7 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 					defer func() {
 						if cursor.maxKeys == 0 {
 							cursor.isTruncated = true
-							cursor.nextMarker = getStartFileFromKey(key)
+							cursor.nextMarker = s3a.getStartFileFromKey(key)
 						}
 					}()
 					if delimiter == "/" {
diff --git a/weed/s3api/s3api_object_handlers_list_test.go b/weed/s3api/s3api_object_handlers_list_test.go
index 50ef81171..3295c2fca 100644
--- a/weed/s3api/s3api_object_handlers_list_test.go
+++ b/weed/s3api/s3api_object_handlers_list_test.go
@@ -27,8 +27,7 @@ func TestListObjectsHandler(t *testing.T) {
 			ETag:         "\"4397da7a7649e8085de9916c240e8166\"",
 			Size:         1234567,
 			Owner: CanonicalUser{
-				ID:  "65a011niqo39cdf8ec533ec3d1ccaafsa932",
-				set: true,
+				ID: "65a011niqo39cdf8ec533ec3d1ccaafsa932",
 			},
 			StorageClass: "STANDARD",
 		}},
diff --git a/weed/s3api/s3api_xsd_generated.go b/weed/s3api/s3api_xsd_generated.go
index 8e1b63d3f..0b0ba6179 100644
--- a/weed/s3api/s3api_xsd_generated.go
+++ b/weed/s3api/s3api_xsd_generated.go
@@ -1125,9 +1125,8 @@ type ListBucketResult struct {
 	Prefix         string          `xml:"Prefix"`
 	Marker         string          `xml:"Marker"`
 	NextMarker     string          `xml:"NextMarker,omitempty"`
-	MaxKeys        uint16          `xml:"MaxKeys"`
+	MaxKeys        int             `xml:"MaxKeys"`
 	Delimiter      string          `xml:"Delimiter,omitempty"`
-	EncodingType   string          `xml:"EncodingType,omitempty"`
 	IsTruncated    bool            `xml:"IsTruncated"`
 	Contents       []ListEntry     `xml:"Contents,omitempty"`
 	CommonPrefixes []PrefixEntry   `xml:"CommonPrefixes,omitempty"`
@@ -1153,14 +1152,6 @@ func (t *ListEntry) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	layout.LastModified = (*xsdDateTime)(&layout.T.LastModified)
 	return e.EncodeElement(layout, start)
 }
-func (c CanonicalUser) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
-	if !c.set {
-		return nil
-	}
-	type canonicalUserWrapper CanonicalUser
-	return e.EncodeElement(canonicalUserWrapper(c), start)
-}
-
 func (t *ListEntry) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	type T ListEntry
 	var overlay struct {
diff --git a/weed/server/filer_grpc_server_traverse_meta.go b/weed/server/filer_grpc_server_traverse_meta.go
index 4a924f065..6c23b15cc 100644
--- a/weed/server/filer_grpc_server_traverse_meta.go
+++ b/weed/server/filer_grpc_server_traverse_meta.go
@@ -63,7 +63,7 @@ func (fs *FilerServer) iterateDirectory(ctx context.Context, dirPath util.FullPa
 	var listErr error
 	for {
 		var hasEntries bool
-		lastFileName, listErr = fs.filer.StreamListDirectoryEntries(ctx, dirPath, lastFileName, false, 1024, "", "", "", func(entry *filer.Entry) bool {
+		lastFileName, listErr = fs.filer.StreamListDirectoryEntries(ctx, dirPath, lastFileName, false, false, false, 1024, "", "", "", func(entry *filer.Entry) bool {
 			hasEntries = true
 			if fnErr := fn(entry); fnErr != nil {
 				err = fnErr