Index: uspace/srv/bd/hr/hr.c
===================================================================
--- uspace/srv/bd/hr/hr.c	(revision 58d82fa2798504f981fb5b24f7ed6ed42d2a9651)
+++ uspace/srv/bd/hr/hr.c	(revision 3a68baab70c3a34b7d36d95e7573dc8db1dcad3b)
@@ -260,4 +260,7 @@
 	fibril_mutex_initialize(&new_volume->range_lock_list_lock);
 
+	fibril_mutex_initialize(&new_volume->deferred_list_lock);
+	list_initialize(&new_volume->deferred_invalidations_list);
+
 	atomic_init(&new_volume->rebuild_blk, 0);