From: Christoph Hellwig <hch@lst.de>

ZERO_PAGE can't go away, no need to hold an extra reference.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Howells <dhowells@redhat.com>
---
  fs/iomap/direct-io.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 9804714b1751..47db4ead1e74 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c

@@ -202,7 +202,7 @@ static void iomap_dio_zero(const struct iomap_iter *iter, struct iomap_dio *dio,
  	bio->bi_private = dio;
  	bio->bi_end_io = iomap_dio_bio_end_io;
  
-	get_page(page);
+	bio_set_flag(bio, BIO_NO_PAGE_REF);
  	__bio_add_page(bio, page, len, 0);
  	iomap_dio_submit_bio(iter, dio, bio, pos);
  }