diff --git a/weed/mount/page_writer/upload_pipeline.go b/weed/mount/page_writer/upload_pipeline.go
index 4ed5ed767..586e05b3f 100644
--- a/weed/mount/page_writer/upload_pipeline.go
+++ b/weed/mount/page_writer/upload_pipeline.go
@@ -12,6 +12,8 @@ import (
 type LogicChunkIndex int
 
 type UploadPipeline struct {
+	uploaderCount        int32
+	uploaderCountCond    *sync.Cond
 	filepath             util.FullPath
 	ChunkSize            int64
 	writableChunks       map[LogicChunkIndex]PageChunk
@@ -19,8 +21,6 @@ type UploadPipeline struct {
 	sealedChunks         map[LogicChunkIndex]*SealedChunk
 	sealedChunksLock     sync.Mutex
 	uploaders            *util.LimitedConcurrentExecutor
-	uploaderCount        int32
-	uploaderCountCond    *sync.Cond
 	saveToStorageFn      SaveToStorageFunc
 	activeReadChunks     map[LogicChunkIndex]int
 	activeReadChunksLock sync.Mutex
diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go
index a243b07f9..7b57c68c7 100644
--- a/weed/server/filer_server.go
+++ b/weed/server/filer_server.go
@@ -72,6 +72,9 @@ type FilerOption struct {
 }
 
 type FilerServer struct {
+	inFlightDataSize      int64
+	inFlightDataLimitCond *sync.Cond
+
 	filer_pb.UnimplementedSeaweedFilerServer
 	option         *FilerOption
 	secret         security.SigningKey
@@ -90,9 +93,6 @@ type FilerServer struct {
 	// track known metadata listeners
 	knownListenersLock sync.Mutex
 	knownListeners     map[int32]int32
-
-	inFlightDataSize      int64
-	inFlightDataLimitCond *sync.Cond
 }
 
 func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption) (fs *FilerServer, err error) {
diff --git a/weed/util/limiter.go b/weed/util/limiter.go
index 2debaaa85..9d63c12a1 100644
--- a/weed/util/limiter.go
+++ b/weed/util/limiter.go
@@ -50,10 +50,10 @@ func (c *LimitedConcurrentExecutor) Execute(job func()) {
 type OperationRequest func()
 
 type LimitedOutOfOrderProcessor struct {
-	processorSlots     uint32
-	processors         []chan OperationRequest
 	processorLimit     int32
 	processorLimitCond *sync.Cond
+	processorSlots     uint32
+	processors         []chan OperationRequest
 	currentProcessor   int32
 }