diff --git a/kernel/src/fs/ext2/impl_for_vfs/fs.rs b/kernel/src/fs/ext2/impl_for_vfs/fs.rs
index a118160a..02c60f8e 100644
--- a/kernel/src/fs/ext2/impl_for_vfs/fs.rs
+++ b/kernel/src/fs/ext2/impl_for_vfs/fs.rs
@@ -14,6 +14,8 @@ impl FileSystem for Ext2 {
     fn sync(&self) -> Result<()> {
         self.sync_all_inodes()?;
         self.sync_metadata()?;
+
+        self.block_device().sync()?;
         Ok(())
     }