Index: /trunk/src/VBox/Additions/linux/sharedfolders/regops.c
===================================================================
--- /trunk/src/VBox/Additions/linux/sharedfolders/regops.c	(revision 29934)
+++ /trunk/src/VBox/Additions/linux/sharedfolders/regops.c	(revision 29935)
@@ -522,5 +522,9 @@
         .aio_read    = generic_file_aio_read,
         .aio_write   = generic_file_aio_write,
+# if LINUX_VERSION_CODE >= KERNEL_VERSION (2, 6, 35)
+        .fsync       = noop_fsync,
+# else
         .fsync       = simple_sync_file,
+# endif
         .llseek      = generic_file_llseek,
 #endif