go fmt and fix some typo

weed/topology/data_node.go

@@ -86,9 +86,9 @@ func (dn *DataNode) GetVolumes() (ret []storage.VolumeInfo) {
 func (dn *DataNode) GetVolumesById(id storage.VolumeId) (storage.VolumeInfo, error) {
 	dn.RLock()
 	defer dn.RUnlock()
-	v_info, ok := dn.volumes[id]
+	vInfo, ok := dn.volumes[id]
 	if ok {
-		return v_info, nil
+		return vInfo, nil
 	} else {
 		return storage.VolumeInfo{}, fmt.Errorf("volumeInfo not found")
 	}

weed/topology/node.go

@@ -103,7 +103,7 @@ func (n *NodeImpl) RandomlyPickNodes(numberOfNodes int, filterFirstNodeFn func(d
 	}
 	if !ret {
 		glog.V(2).Infoln(n.Id(), "failed to pick", numberOfNodes-1, "from rest", len(candidates), "node candidates")
-		err = errors.New("Not enough data node found!")
+		err = errors.New("No enough data node found!")
 	}
 	return
 }

weed/topology/store_replicate.go

@@ -31,7 +31,7 @@ func ReplicatedWrite(masterNode string, s *storage.Store,
 		size = ret
 		return
 	}
-	
+
 	needToReplicate = needToReplicate || s.GetVolume(volumeId).NeedToReplicate()
 	if !needToReplicate {
 		needToReplicate = s.GetVolume(volumeId).NeedToReplicate()

weed/topology/topology_vacuum.go

@@ -136,12 +136,12 @@ func vacuumOneVolumeLayout(volumeLayout *VolumeLayout, c *Collection, garbageThr
 
 	volumeLayout.accessLock.RLock()
 	tmpMap := make(map[storage.VolumeId]*VolumeLocationList)
-	for vid, locationlist := range volumeLayout.vid2location {
-		tmpMap[vid] = locationlist
+	for vid, locationList := range volumeLayout.vid2location {
+		tmpMap[vid] = locationList
 	}
 	volumeLayout.accessLock.RUnlock()
 
-	for vid, locationlist := range tmpMap {
+	for vid, locationList := range tmpMap {
 
 		volumeLayout.accessLock.RLock()
 		isReadOnly, hasValue := volumeLayout.readonlyVolumes[vid]
@@ -152,11 +152,11 @@ func vacuumOneVolumeLayout(volumeLayout *VolumeLayout, c *Collection, garbageThr
 		}
 
 		glog.V(2).Infof("check vacuum on collection:%s volume:%d", c.Name, vid)
-		if batchVacuumVolumeCheck(volumeLayout, vid, locationlist, garbageThreshold) {
-			if batchVacuumVolumeCompact(volumeLayout, vid, locationlist, preallocate) {
-				batchVacuumVolumeCommit(volumeLayout, vid, locationlist)
+		if batchVacuumVolumeCheck(volumeLayout, vid, locationList, garbageThreshold) {
+			if batchVacuumVolumeCompact(volumeLayout, vid, locationList, preallocate) {
+				batchVacuumVolumeCommit(volumeLayout, vid, locationList)
 			} else {
-				batchVacuumVolumeCleanup(volumeLayout, vid, locationlist)
+				batchVacuumVolumeCleanup(volumeLayout, vid, locationList)
 			}
 		}
 	}

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))

weed/topology/volume_layout.go

@@ -55,8 +55,8 @@ func (vl *VolumeLayout) RegisterVolume(v *storage.VolumeInfo, dn *DataNode) {
 	vl.vid2location[v.Id].Set(dn)
 	// glog.V(4).Infof("volume %d added to %s len %d copy %d", v.Id, dn.Id(), vl.vid2location[v.Id].Length(), v.ReplicaPlacement.GetCopyCount())
 	for _, dn := range vl.vid2location[v.Id].list {
-		if v_info, err := dn.GetVolumesById(v.Id); err == nil {
-			if v_info.ReadOnly {
+		if vInfo, err := dn.GetVolumesById(v.Id); err == nil {
+			if vInfo.ReadOnly {
 				glog.V(3).Infof("vid %d removed from writable", v.Id)
 				vl.removeFromWritable(v.Id)
 				vl.readonlyVolumes[v.Id] = true
@@ -145,13 +145,13 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (*s
 	vl.accessLock.RLock()
 	defer vl.accessLock.RUnlock()
 
-	len_writers := len(vl.writables)
-	if len_writers <= 0 {
+	lenWriters := len(vl.writables)
+	if lenWriters <= 0 {
 		glog.V(0).Infoln("No more writable volumes!")
 		return nil, 0, nil, errors.New("No more writable volumes!")
 	}
 	if option.DataCenter == "" {
-		vid := vl.writables[rand.Intn(len_writers)]
+		vid := vl.writables[rand.Intn(lenWriters)]
 		locationList := vl.vid2location[vid]
 		if locationList != nil {
 			return &vid, count, locationList, nil