Linux 4.20.17

[thirdparty/kernel/stable.git] / block / bio.c

diff --git a/block/bio.c b/block/bio.c
index 4f4d9884443b63a8f002ddd754ea467f9a0e4c16..4d86e90654b20ff284df67ad594fd18013a14b60 100644 (file)
--- a/block/bio.c
+++ b/block/bio.c
@@ -1261,7 +1261,8 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
                if (ret)
                        goto cleanup;
        } else {
-               zero_fill_bio(bio);
+               if (bmd->is_our_pages)
+                       zero_fill_bio(bio);
                iov_iter_advance(iter, bio->bi_iter.bi_size);
        }