FUSE: subcribe meta events based on timestamp

weed/filesys/meta_cache/meta_cache_subscribe.go

@@ -12,7 +12,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 )
 
-func SubscribeMetaEvents(mc *MetaCache, client filer_pb.FilerClient, dir string) error {
+func SubscribeMetaEvents(mc *MetaCache, client filer_pb.FilerClient, dir string, lastTsNs int64) error {
 
 	processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {
 		message := resp.EventNotification
@@ -36,7 +36,6 @@ func SubscribeMetaEvents(mc *MetaCache, client filer_pb.FilerClient, dir string)
 		return err
 	}
 
-	var lastTsNs int64
 	for {
 		err := client.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 			stream, err := client.SubscribeMetadata(context.Background(), &filer_pb.SubscribeMetadataRequest{

weed/filesys/wfs.go

@@ -95,10 +95,11 @@ func NewSeaweedFileSystem(option *Option) *WFS {
 	}
 	if wfs.option.AsyncMetaDataCaching {
 		wfs.metaCache = meta_cache.NewMetaCache(path.Join(option.CacheDir, "meta"))
+		startTime := time.Now()
 		if err := meta_cache.InitMetaCache(wfs.metaCache, wfs, wfs.option.FilerMountRootPath); err != nil{
 			glog.V(0).Infof("failed to init meta cache: %v", err)
 		} else {
-			go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs, wfs.option.FilerMountRootPath)
+			go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano())
 			util.OnInterrupt(func() {
 				wfs.metaCache.Shutdown()
 			})