1 files changed, 2 insertions, 1 deletions

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index b437fe6257b0..632b46479c94 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -927,7 +927,7 @@ retry:
                                 break;
                         }
 
-                        done_index = page->index + 1;
+                        done_index = page->index;
 
                         lock_page(page);
 
@@ -977,6 +977,7 @@ continue_unlock:
                                          * not be suitable for data integrity
                                          * writeout).
                                          */
+                                        done_index = page->index + 1;
                                         done = 1;
                                         break;
                                 }