diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 95ddeb477797..04788940afaf 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4024,11 +4024,12 @@ retry:
 			free_extent_buffer(eb);
 
 			/*
-			 * the filesystem may choose to bump up nr_to_write.
+			 * The filesystem may choose to bump up nr_to_write.
 			 * We have to make sure to honor the new nr_to_write
-			 * at any time
+			 * at any time.
 			 */
-			nr_to_write_done = wbc->nr_to_write <= 0;
+			nr_to_write_done = (wbc->sync_mode == WB_SYNC_NONE &&
+					    wbc->nr_to_write <= 0);
 		}
 		pagevec_release(&pvec);
 		cond_resched();