diff --git a/vm-virtio/src/vhost_user/fs.rs b/vm-virtio/src/vhost_user/fs.rs
index 6dbde8afa..daeb3db58 100644
--- a/vm-virtio/src/vhost_user/fs.rs
+++ b/vm-virtio/src/vhost_user/fs.rs
@@ -267,6 +267,7 @@ impl Default for VirtioFsConfig {
 unsafe impl ByteValued for VirtioFsConfig {}
 
 pub struct Fs {
+    id: String,
     vu: Master,
     queue_sizes: Vec<u16>,
     avail_features: u64,
@@ -287,6 +288,7 @@ pub struct Fs {
 impl Fs {
     /// Create a new virtio-fs device.
     pub fn new(
+        id: String,
         path: &str,
         tag: &str,
         req_num_queues: usize,
@@ -352,6 +354,7 @@ impl Fs {
         config.num_request_queues = req_num_queues as u32;
 
         Ok(Fs {
+            id,
             vu: master,
             queue_sizes: vec![queue_size; num_queues],
             avail_features,
@@ -605,6 +608,10 @@ impl VirtioDevice for Fs {
 }
 
 virtio_pausable!(Fs);
-impl Snapshottable for Fs {}
+impl Snapshottable for Fs {
+    fn id(&self) -> String {
+        self.id.clone()
+    }
+}
 impl Transportable for Fs {}
 impl Migratable for Fs {}
diff --git a/vmm/src/device_manager.rs b/vmm/src/device_manager.rs
index f62784d01..5c3199c97 100644
--- a/vmm/src/device_manager.rs
+++ b/vmm/src/device_manager.rs
@@ -1458,9 +1458,13 @@ impl DeviceManager {
         &mut self,
         fs_cfg: &mut FsConfig,
     ) -> DeviceManagerResult<(VirtioDeviceArc, bool, Option<String>)> {
-        if fs_cfg.id.is_none() {
-            fs_cfg.id = Some(self.next_device_name(FS_DEVICE_NAME_PREFIX)?);
-        }
+        let id = if let Some(id) = &fs_cfg.id {
+            id.clone()
+        } else {
+            let id = self.next_device_name(FS_DEVICE_NAME_PREFIX)?;
+            fs_cfg.id = Some(id.clone());
+            id
+        };
 
         if let Some(fs_sock) = fs_cfg.sock.to_str() {
             let cache = if fs_cfg.dax {
@@ -1519,6 +1523,7 @@ impl DeviceManager {
 
             let virtio_fs_device = Arc::new(Mutex::new(
                 vm_virtio::vhost_user::Fs::new(
+                    id,
                     fs_sock,
                     &fs_cfg.tag,
                     fs_cfg.num_queues,