---

yaml
---
r: 109187
b: refs/heads/master
c: 48fd4f9
h: refs/heads/master
i:
  109185: 2ceb9b5
  109183: e09d9f0
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a4a778971b9cfcbedb8648ba502d801f7db04c47
+refs/heads/master: 48fd4f93a00eac844678629f2f00518e146ed30d

trunk/fs/buffer.c

@@ -2926,14 +2926,17 @@ int submit_bh(int rw, struct buffer_head * bh)
 	BUG_ON(!buffer_mapped(bh));
 	BUG_ON(!bh->b_end_io);
 
-	if (buffer_ordered(bh) && (rw == WRITE))
-		rw = WRITE_BARRIER;
+	/*
+	 * Mask in barrier bit for a write (could be either a WRITE or a
+	 * WRITE_SYNC
+	 */
+	if (buffer_ordered(bh) && (rw & WRITE))
+		rw |= WRITE_BARRIER;
 
 	/*
-	 * Only clear out a write error when rewriting, should this
-	 * include WRITE_SYNC as well?
+	 * Only clear out a write error when rewriting
 	 */
-	if (test_set_buffer_req(bh) && (rw == WRITE || rw == WRITE_BARRIER))
+	if (test_set_buffer_req(bh) && (rw & WRITE))
 		clear_buffer_write_io_error(bh);
 
 	/*