7 files changed, 34 insertions, 50 deletions
diff --git a/weed/command/backup.go b/weed/command/backup.go
index 9c0bcbc52..48e2eba89 100644
--- a/weed/command/backup.go
+++ b/weed/command/backup.go
@@ -98,7 +98,7 @@ func runBackup(cmd *Command, args []string) bool {
 			return true
 		}
 		v.SuperBlock.CompactRevision = uint16(stats.CompactRevision)
-		v.DataFile().WriteAt(v.SuperBlock.Bytes(),0)
+		v.DataFile().WriteAt(v.SuperBlock.Bytes(), 0)
 	}
 
 	if uint64(v.Size()) > stats.TailOffset {
diff --git a/weed/server/volume_grpc_follow.go b/weed/server/volume_grpc_follow.go
index 6b3330a0d..cc5dcc78e 100644
--- a/weed/server/volume_grpc_follow.go
+++ b/weed/server/volume_grpc_follow.go
@@ -1,6 +1,7 @@
 package weed_server
 
 import (
+	"context"
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"io"
@@ -34,6 +35,19 @@ func (vs *VolumeServer) VolumeFollow(req *volume_server_pb.VolumeFollowRequest,
 
 }
 
+func (vs *VolumeServer) VolumeSyncStatus(ctx context.Context, req *volume_server_pb.VolumeSyncStatusRequest) (*volume_server_pb.VolumeSyncStatusResponse, error) {
+
+	v := vs.store.GetVolume(storage.VolumeId(req.VolumeId))
+	if v == nil {
+		return nil, fmt.Errorf("not found volume id %d", req.VolumeId)
+	}
+
+	resp := v.GetVolumeSyncStatus()
+
+	return resp, nil
+
+}
+
 func sendFileContent(datFile *os.File, buf []byte, startOffset, stopOffset int64, stream volume_server_pb.VolumeServer_VolumeFollowServer) error {
 	var blockSizeLimit = int64(len(buf))
 	for i := int64(0); i < stopOffset-startOffset; i += blockSizeLimit {
diff --git a/weed/server/volume_grpc_replicate.go b/weed/server/volume_grpc_replicate.go
index 20a85fd6f..1a31a37f3 100644
--- a/weed/server/volume_grpc_replicate.go
+++ b/weed/server/volume_grpc_replicate.go
@@ -113,7 +113,7 @@ func (vs *VolumeServer) ReadVolumeFileStatus(ctx context.Context, req *volume_se
 	return resp, nil
 }
 
-func (vs *VolumeServer) CopyFile(req *volume_server_pb.CopyFileRequest, stream volume_server_pb.VolumeServer_CopyFileServer) (error) {
+func (vs *VolumeServer) CopyFile(req *volume_server_pb.CopyFileRequest, stream volume_server_pb.VolumeServer_CopyFileServer) error {
 
 	v := vs.store.GetVolume(storage.VolumeId(req.VolumeId))
 	if v == nil {
diff --git a/weed/server/volume_grpc_sync.go b/weed/server/volume_grpc_sync.go
deleted file mode 100644
index 8b7b5934c..000000000
--- a/weed/server/volume_grpc_sync.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package weed_server
-
-import (
-	"context"
-	"fmt"
-
-	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
-	"github.com/chrislusf/seaweedfs/weed/storage"
-)
-
-func (vs *VolumeServer) VolumeSyncStatus(ctx context.Context, req *volume_server_pb.VolumeSyncStatusRequest) (*volume_server_pb.VolumeSyncStatusResponse, error) {
-
-	v := vs.store.GetVolume(storage.VolumeId(req.VolumeId))
-	if v == nil {
-		return nil, fmt.Errorf("not found volume id %d", req.VolumeId)
-	}
-
-	resp := v.GetVolumeSyncStatus()
-
-	glog.V(2).Infof("volume sync status %d", req.VolumeId)
-
-	return resp, nil
-
-}
diff --git a/weed/shell/command_fs_du.go b/weed/shell/command_fs_du.go
index 1206596b0..3fecac9a8 100644
--- a/weed/shell/command_fs_du.go
+++ b/weed/shell/command_fs_du.go
@@ -42,10 +42,10 @@ func (c *commandFsDu) Do(args []string, commandEnv *commandEnv, writer io.Writer
 
 	dir, name := filer2.FullPath(path).DirAndName()
 	if strings.HasSuffix(path, "/") {
-		if path == "/"{
+		if path == "/" {
 			dir, name = "/", ""
-		}else{
-			dir, name = path[0 : len(path)-1], ""
+		} else {
+			dir, name = path[0:len(path)-1], ""
 		}
 	}
 
diff --git a/weed/storage/volume_follow.go b/weed/storage/volume_follow.go
index e1a5fcb83..b8353f9d1 100644
--- a/weed/storage/volume_follow.go
+++ b/weed/storage/volume_follow.go
@@ -11,6 +11,19 @@ import (
 	"os"
 )
 
+func (v *Volume) GetVolumeSyncStatus() *volume_server_pb.VolumeSyncStatusResponse {
+	var syncStatus = &volume_server_pb.VolumeSyncStatusResponse{}
+	if stat, err := v.dataFile.Stat(); err == nil {
+		syncStatus.TailOffset = uint64(stat.Size())
+	}
+	syncStatus.Collection = v.Collection
+	syncStatus.IdxFileSize = v.nm.IndexFileSize()
+	syncStatus.CompactRevision = uint32(v.SuperBlock.CompactRevision)
+	syncStatus.Ttl = v.SuperBlock.Ttl.String()
+	syncStatus.Replication = v.SuperBlock.ReplicaPlacement.String()
+	return syncStatus
+}
+
 // The volume sync with a master volume via 2 steps:
 // 1. The slave checks master side to find subscription checkpoint
 //	  to setup the replication.
@@ -41,7 +54,7 @@ update needle map when receiving new .dat bytes. But seems not necessary now.)
 
 */
 
-func (v *Volume) Follow(volumeServer string, grpcDialOption grpc.DialOption) (error) {
+func (v *Volume) Follow(volumeServer string, grpcDialOption grpc.DialOption) error {
 
 	ctx := context.Background()
 
@@ -88,7 +101,7 @@ func (v *Volume) Follow(volumeServer string, grpcDialOption grpc.DialOption) (er
 	}
 
 	// add to needle map
-	return ScanVolumeFileFrom(v.version, v.dataFile, startFromOffset, &VolumeFileScanner4GenIdx{v:v})
+	return ScanVolumeFileFrom(v.version, v.dataFile, startFromOffset, &VolumeFileScanner4GenIdx{v: v})
 
 }
 
diff --git a/weed/storage/volume_sync.go b/weed/storage/volume_sync.go
deleted file mode 100644
index 199561302..000000000
--- a/weed/storage/volume_sync.go
+++ /dev/null
@@ -1,18 +0,0 @@
-package storage
-
-import (
-	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
-)
-
-func (v *Volume) GetVolumeSyncStatus() *volume_server_pb.VolumeSyncStatusResponse {
-	var syncStatus = &volume_server_pb.VolumeSyncStatusResponse{}
-	if stat, err := v.dataFile.Stat(); err == nil {
-		syncStatus.TailOffset = uint64(stat.Size())
-	}
-	syncStatus.Collection = v.Collection
-	syncStatus.IdxFileSize = v.nm.IndexFileSize()
-	syncStatus.CompactRevision = uint32(v.SuperBlock.CompactRevision)
-	syncStatus.Ttl = v.SuperBlock.Ttl.String()
-	syncStatus.Replication = v.SuperBlock.ReplicaPlacement.String()
-	return syncStatus
-}
-\ No newline at end of file