add placeholder for cached meta data reading

weed/command/mount.go

@@ -20,6 +20,7 @@ type MountOptions struct {
 	umaskString                 *string
 	nonempty                    *bool
 	outsideContainerClusterMode *bool
+	asyncMetaDataCaching        *bool
 }
 
 var (
@@ -47,6 +48,7 @@ func init() {
 	mountCpuProfile = cmdMount.Flag.String("cpuprofile", "", "cpu profile output file")
 	mountMemProfile = cmdMount.Flag.String("memprofile", "", "memory profile output file")
 	mountOptions.outsideContainerClusterMode = cmdMount.Flag.Bool("outsideContainerClusterMode", false, "allows other users to access the file system")
+	mountOptions.asyncMetaDataCaching = cmdMount.Flag.Bool("asyncMetaDataCaching", false, "<wip> async meta data caching")
 }
 
 var cmdMount = &Command{

weed/command/mount_std.go

@@ -175,6 +175,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		MountMtime:                  time.Now(),
 		Umask:                       umask,
 		OutsideContainerClusterMode: *mountOptions.outsideContainerClusterMode,
+		AsyncMetaDataCaching:        *mountOptions.asyncMetaDataCaching,
 		Cipher:                      cipher,
 	}))