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-rw-r--r--fs/direct-io.c3
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,