1 files changed, 2 insertions, 1 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3a65c10dce33..87dba8517935 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2462,7 +2462,8 @@ retry:
                         }
 
                         if (wbc->sync_mode != WB_SYNC_NONE) {
-                                flush_fn(data);
+                                if (PageWriteback(page))
+                                        flush_fn(data);
                                 wait_on_page_writeback(page);
                         }