1 files changed, 2 insertions, 1 deletions

diff --git a/fs/direct-io.c b/fs/direct-io.c
index f853263cf74f..9644d0205dad 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -969,7 +969,8 @@ do_holes:
                         this_chunk_bytes = this_chunk_blocks << blkbits;
                         BUG_ON(this_chunk_bytes == 0);
 
-                        sdio->boundary = buffer_boundary(map_bh);
+                        if (this_chunk_blocks == sdio->blocks_available)
+                                sdio->boundary = buffer_boundary(map_bh);
                         ret = submit_page_section(dio, sdio, page,
                                                   offset_in_page,
                                                   this_chunk_bytes,