adding volume type

weed/filesys/wfs.go

@@ -3,6 +3,7 @@ package filesys
 import (
 	"context"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/storage"
 	"math"
 	"os"
 	"path"
@@ -30,6 +31,7 @@ type Option struct {
 	Collection         string
 	Replication        string
 	TtlSec             int32
+	VolumeType         storage.VolumeType
 	ChunkSizeLimit     int64
 	ConcurrentWriters  int
 	CacheDir           string
@@ -176,6 +178,7 @@ func (wfs *WFS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.
 				Collection:  wfs.option.Collection,
 				Replication: wfs.option.Replication,
 				Ttl:         fmt.Sprintf("%ds", wfs.option.TtlSec),
+				VolumeType:  string(wfs.option.VolumeType),
 			}
 
 			glog.V(4).Infof("reading filer stats: %+v", request)

weed/filesys/wfs_write.go

@@ -26,6 +26,7 @@ func (wfs *WFS) saveDataAsChunk(fullPath util.FullPath) filer.SaveDataAsChunkFun
 				Replication: wfs.option.Replication,
 				Collection:  wfs.option.Collection,
 				TtlSec:      wfs.option.TtlSec,
+				VolumeType:  string(wfs.option.VolumeType),
 				DataCenter:  wfs.option.DataCenter,
 				Path:        string(fullPath),
 			}