io_u: fix refill, should be random content

Unless we asked for zeroed buffers, we fill them randomly.

Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/io_u.c b/io_u.c
index 6567e10a5be2c65c00d73f7415952b3e7d0f6065..975d2424b2c377c39b331865df7bf8e1c5060a4b 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -1895,8 +1895,10 @@ void fill_io_buffer(struct thread_data *td, void *buf, unsigned int min_write,
                } while (left);
        } else if (o->buffer_pattern_bytes)
                fill_buffer_pattern(td, buf, max_bs);
                } while (left);
        } else if (o->buffer_pattern_bytes)
                fill_buffer_pattern(td, buf, max_bs);

-       else
+       else if (o->zero_buffers)

                memset(buf, 0, max_bs);
                memset(buf, 0, max_bs);

+       else
+               fill_random_buf(get_buf_state(td), buf, max_bs);

 }
 
 /*
 }
 
 /*