diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index a0e41a4..76f2eca 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1449,11 +1449,13 @@ int jbd2_journal_stop(handle_t *handle)
 	 * pointer again.
 	 */
 	tid = transaction->t_tid;
+	read_lock(&journal->j_state_lock);
 	if (atomic_dec_and_test(&transaction->t_updates)) {
 		wake_up(&journal->j_wait_updates);
 		if (journal->j_barrier_count)
 			wake_up(&journal->j_wait_transaction_locked);
 	}
+	read_unlock(&journal->j_state_lock);
 
 	if (wait_for_commit)
 		err = jbd2_log_wait_commit(journal, tid);