diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 14909cd..a51db9c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4667,7 +4667,8 @@
 	ext4_superblock_csum_set(sb);
 	mark_buffer_dirty(sbh);
 	if (sync) {
-		error = sync_dirty_buffer(sbh);
+		error = __sync_dirty_buffer(sbh,
+			test_opt(sb, BARRIER) ? WRITE_FUA : WRITE_SYNC);
 		if (error)
 			return error;
 
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 4ff3fad..fe1b4bd 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1456,7 +1456,7 @@
 	sb->s_errno    = cpu_to_be32(journal->j_errno);
 	read_unlock(&journal->j_state_lock);
 
-	jbd2_write_superblock(journal, WRITE_SYNC);
+	jbd2_write_superblock(journal, WRITE_FUA);
 }
 EXPORT_SYMBOL(jbd2_journal_update_sb_errno);