sys: IRP_MJ_CLEANUP: comment

src/sys/cleanup.c

@@ -63,6 +63,11 @@ static NTSTATUS FspFsvolCleanup(
 
     FspFileNodeClose(FileNode, FileObject, &DeletePending);
 
+    /*
+     * The FileNode is no longer in the Context table, therefore we do not
+     * need to protect its FileName against renames!
+     */
+
     /* create the user-mode file system request; MustSucceed because IRP_MJ_CLEANUP cannot fail */
     FspIopCreateRequestMustSucceed(Irp, &FileNode->FileName, 0, &Request);
     Request->Kind = FspFsctlTransactCleanupKind;