diff --git a/weed/filer2/filer.go b/weed/filer2/filer.go
index 578a2707f..dde08a092 100644
--- a/weed/filer2/filer.go
+++ b/weed/filer2/filer.go
@@ -12,9 +12,9 @@ import (
 	"github.com/karlseguin/ccache"
 
 	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/log_buffer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/chrislusf/seaweedfs/weed/util/log_buffer"
 	"github.com/chrislusf/seaweedfs/weed/wdclient"
 )
 
diff --git a/weed/log_buffer/log_buffer.go b/weed/util/log_buffer/log_buffer.go
similarity index 100%
rename from weed/log_buffer/log_buffer.go
rename to weed/util/log_buffer/log_buffer.go
diff --git a/weed/log_buffer/sealed_buffer.go b/weed/util/log_buffer/sealed_buffer.go
similarity index 100%
rename from weed/log_buffer/sealed_buffer.go
rename to weed/util/log_buffer/sealed_buffer.go