From: Jens Axboe <axboe@fb.com>
Date: Tue, 17 Mar 2015 21:57:13 +0000 (-0600)
Subject: io_u: fix refill, should be random content
X-Git-Tag: fio-2.2.7~20
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=999d245e8d1fe81de55ffaac7bc1bd282c447ba9;ds=sidebyside

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 6567e10a..975d2424 100644
--- 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);
-	else
+	else if (o->zero_buffers)
 		memset(buf, 0, max_bs);
+	else
+		fill_random_buf(get_buf_state(td), buf, max_bs);
 }
 
 /*