X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=lib%2Frand.c;h=06812823994d45cfe744351095af015d5858fbae;hp=839a6a9476c82cedad1de30067ab06c776d750bd;hb=7d9fb455aadc0c0363489591775496f27f4a560a;hpb=3f46e64fbd2c76cc89ef8ddfc9189bac285ef638

diff --git a/lib/rand.c b/lib/rand.c
index 839a6a94..06812823 100644
--- a/lib/rand.c
+++ b/lib/rand.c
@@ -59,18 +59,25 @@ void init_rand(struct frand_state *state)
 	__rand(state);
 }
 
-void fill_random_buf(void *buf, unsigned int len)
+void __fill_random_buf(void *buf, unsigned int len, unsigned long seed)
 {
-	unsigned long r = __rand(&__fio_rand_state);
 	long *ptr = buf;
 
-	if (sizeof(int) != sizeof(*ptr))
-		r *= (unsigned long) __rand(&__fio_rand_state);
-
 	while ((void *) ptr - buf < len) {
-		*ptr = r;
+		*ptr = seed;
 		ptr++;
-		r *= GOLDEN_RATIO_PRIME;
-		r >>= 3;
+		seed *= GOLDEN_RATIO_PRIME;
+		seed >>= 3;
 	}
 }
+
+unsigned long fill_random_buf(void *buf, unsigned int len)
+{
+	unsigned long r = __rand(&__fio_rand_state);
+
+	if (sizeof(int) != sizeof(long *))
+		r *= (unsigned long) __rand(&__fio_rand_state);
+
+	__fill_random_buf(buf, len, r);
+	return r;
+}