add rename namespaces

add umount retry

Author: JojiiOfficial

dmfs/dmfsRoot.go

@@ -83,7 +83,25 @@ func (root *dmanagerRoot) Rmdir(ctx context.Context, name string) syscall.Errno
 
 // Rename if virtual file was renamed
 func (root *dmanagerRoot) Rename(ctx context.Context, name string, newParent fs.InodeEmbedder, newName string, flags uint32) syscall.Errno {
-	fmt.Println("renome")
+	// Don't rename default ns
+	if name == "default" {
+		fmt.Println("Can't rename default namespace!")
+		return syscall.EACCES
+	}
+
+	// Get real namespace names
+	oldNSName := addNSName(name, root.libdm.Config)
+	newNSName := addNSName(newName, root.libdm.Config)
+	root.debug("rename namespace", oldNSName, "->", newNSName)
+
+	// Make rename request
+	_, err := root.libdm.UpdateNamespace(oldNSName, newNSName)
+	if err != nil {
+		fmt.Println(err)
+		return syscall.ENONET
+	}
+
+	// Return success
 	return 0
 }
 

dmfs/mount.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"os/signal"
 	"path/filepath"
+	"time"
 
 	"github.com/DataManager-Go/libdatamanager"
 	dmConfig "github.com/DataManager-Go/libdatamanager/config"
@@ -87,11 +88,18 @@ func (mounter *Mounter) Mount() {
 
 // Umount fs
 func (mounter *Mounter) umount() {
-	err := mounter.server.Unmount()
-	if err != nil {
-		fmt.Println(err)
-	} else {
-		fmt.Println("Umounted")
+	// On error retry after 3s
+	for {
+		err := mounter.server.Unmount()
+
+		if err != nil {
+			fmt.Println(err)
+			fmt.Println("retry in 3s")
+			time.Sleep(3 * time.Second)
+		} else {
+			fmt.Println("Umounted")
+			break
+		}
 	}
 
 	mounter.doneChan <- true