1 files changed, 9 insertions, 9 deletions
diff --git a/weed/topology/volume_growth.go b/weed/topology/volume_growth.go
index cfc31c8b1..ff516599d 100644
--- a/weed/topology/volume_growth.go
+++ b/weed/topology/volume_growth.go
@@ -27,14 +27,14 @@ This package is created to resolve these replica placement issues:
 
 type VolumeGrowRequest struct {
 	Option *VolumeGrowOption
-	Count  int
+	Count  uint32
 }
 
 type volumeGrowthStrategy struct {
-	Copy1Count     int
-	Copy2Count     int
-	Copy3Count     int
-	CopyOtherCount int
+	Copy1Count     uint32
+	Copy2Count     uint32
+	Copy3Count     uint32
+	CopyOtherCount uint32
 	Threshold      float64
 }
 
@@ -75,7 +75,7 @@ func NewDefaultVolumeGrowth() *VolumeGrowth {
 
 // one replication type may need rp.GetCopyCount() actual volumes
 // given copyCount, how many logical volumes to create
-func (vg *VolumeGrowth) findVolumeCount(copyCount int) (count int) {
+func (vg *VolumeGrowth) findVolumeCount(copyCount int) (count uint32) {
 	switch copyCount {
 	case 1:
 		count = VolumeGrowStrategy.Copy1Count
@@ -89,7 +89,7 @@ func (vg *VolumeGrowth) findVolumeCount(copyCount int) (count int) {
 	return
 }
 
-func (vg *VolumeGrowth) AutomaticGrowByType(option *VolumeGrowOption, grpcDialOption grpc.DialOption, topo *Topology, targetCount int) (result []*master_pb.VolumeLocation, err error) {
+func (vg *VolumeGrowth) AutomaticGrowByType(option *VolumeGrowOption, grpcDialOption grpc.DialOption, topo *Topology, targetCount uint32) (result []*master_pb.VolumeLocation, err error) {
 	if targetCount == 0 {
 		targetCount = vg.findVolumeCount(option.ReplicaPlacement.GetCopyCount())
 	}
@@ -99,11 +99,11 @@ func (vg *VolumeGrowth) AutomaticGrowByType(option *VolumeGrowOption, grpcDialOp
 	}
 	return result, err
 }
-func (vg *VolumeGrowth) GrowByCountAndType(grpcDialOption grpc.DialOption, targetCount int, option *VolumeGrowOption, topo *Topology) (result []*master_pb.VolumeLocation, err error) {
+func (vg *VolumeGrowth) GrowByCountAndType(grpcDialOption grpc.DialOption, targetCount uint32, option *VolumeGrowOption, topo *Topology) (result []*master_pb.VolumeLocation, err error) {
 	vg.accessLock.Lock()
 	defer vg.accessLock.Unlock()
 
-	for i := 0; i < targetCount; i++ {
+	for i := uint32(0); i < targetCount; i++ {
 		if res, e := vg.findAndGrow(grpcDialOption, topo, option); e == nil {
 			result = append(result, res...)
 		} else {