diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 876a7d8..912c30a 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -974,6 +974,7 @@
 int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid,
 			      unsigned long *block);
 void __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
+void jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
 
 /* Commit management */
 extern void jbd2_journal_commit_transaction(journal_t *);