go fmt and fix some typo

1 files changed, 6 insertions, 6 deletions

diff --git a/weed/topology/volume_growth.go b/weed/topology/volume_growth.go
index ddf687419..9bf013ca6 100644
--- a/weed/topology/volume_growth.go
+++ b/weed/topology/volume_growth.go
@@ -126,7 +126,7 @@ func (vg *VolumeGrowth) findEmptySlotsForOneVolume(topo *Topology, option *Volum
 	}
 
 	//find main rack and other racks
-	mainRack, otherRacks, rack_err := mainDataCenter.(*DataCenter).RandomlyPickNodes(rp.DiffRackCount+1, func(node Node) error {
+	mainRack, otherRacks, rackErr := mainDataCenter.(*DataCenter).RandomlyPickNodes(rp.DiffRackCount+1, func(node Node) error {
 		if option.Rack != "" && node.IsRack() && node.Id() != NodeId(option.Rack) {
 			return fmt.Errorf("Not matching preferred rack:%s", option.Rack)
 		}
@@ -148,12 +148,12 @@ func (vg *VolumeGrowth) findEmptySlotsForOneVolume(topo *Topology, option *Volum
 		}
 		return nil
 	})
-	if rack_err != nil {
-		return nil, rack_err
+	if rackErr != nil {
+		return nil, rackErr
 	}
 
 	//find main rack and other racks
-	mainServer, otherServers, server_err := mainRack.(*Rack).RandomlyPickNodes(rp.SameRackCount+1, func(node Node) error {
+	mainServer, otherServers, serverErr := mainRack.(*Rack).RandomlyPickNodes(rp.SameRackCount+1, func(node Node) error {
 		if option.DataNode != "" && node.IsDataNode() && node.Id() != NodeId(option.DataNode) {
 			return fmt.Errorf("Not matching preferred data node:%s", option.DataNode)
 		}
@@ -162,8 +162,8 @@ func (vg *VolumeGrowth) findEmptySlotsForOneVolume(topo *Topology, option *Volum
 		}
 		return nil
 	})
-	if server_err != nil {
-		return nil, server_err
+	if serverErr != nil {
+		return nil, serverErr
 	}
 
 	servers = append(servers, mainServer.(*DataNode))