Speedup verify random fills by 10-15x
Move the pseudo-random helper into lib/rand.c and use that
from the verify populate as well.
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/io_u.c b/io_u.c
index f451d1a..69edd70 100644
--- a/io_u.c
+++ b/io_u.c
@@ -1240,20 +1240,8 @@
void io_u_fill_buffer(struct thread_data *td, struct io_u *io_u,
unsigned int max_bs)
{
- long *ptr = io_u->buf;
-
- if (!td->o.zero_buffers) {
- unsigned long r = __rand(&__fio_rand_state);
-
- if (sizeof(int) != sizeof(*ptr))
- r *= (unsigned long) __rand(&__fio_rand_state);
-
- while ((void *) ptr - io_u->buf < max_bs) {
- *ptr = r;
- ptr++;
- r *= GOLDEN_RATIO_PRIME;
- r >>= 3;
- }
- } else
- memset(ptr, 0, max_bs);
+ if (!td->o.zero_buffers)
+ fill_random_buf(io_u->buf, max_bs);
+ else
+ memset(io_u->buf, 0, max_bs);
}