diff --git a/fs/libfs.c b/fs/libfs.c
index 5025563..58101df 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -183,6 +183,7 @@
 	.llseek		= dcache_dir_lseek,
 	.read		= generic_read_dir,
 	.readdir	= dcache_readdir,
+	.fsync		= simple_sync_file,
 };
 
 struct inode_operations simple_dir_inode_operations = {