diff -Naur kvdo-bc83d8b1b954eeeab83bbc85ce6d4dadf646a315.orig/vdo/dedupe.c kvdo-bc83d8b1b954eeeab83bbc85ce6d4dadf646a315/vdo/dedupe.c
--- kvdo-bc83d8b1b954eeeab83bbc85ce6d4dadf646a315.orig/vdo/dedupe.c	2025-05-09 16:51:36.000000000 -0400
+++ kvdo-bc83d8b1b954eeeab83bbc85ce6d4dadf646a315/vdo/dedupe.c	2025-12-08 13:40:04.928386755 -0500
@@ -2965,7 +2965,7 @@
 
 static void timeout_index_operations(struct timer_list *t)
 {
-	struct hash_zone *zone = from_timer(zone, t, timer);
+	struct hash_zone *zone = timer_container_of(zone, t, timer);
 
 	if (change_timer_state(zone,
 			       DEDUPE_QUERY_TIMER_RUNNING,