X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=lib%2Fgauss.c;h=f974490f72a512465a2ee3e534031418833da539;hp=afd0490d54786130acf04e0bb3c64bd8a4473bbd;hb=8c5e96a4ee7004b2982b5d5247ecea1cb96bccb7;hpb=c3546b531f48a2ff413c9508aed465e0145c8dfc

diff --git a/lib/gauss.c b/lib/gauss.c
index afd0490d..f974490f 100644
--- a/lib/gauss.c
+++ b/lib/gauss.c
@@ -38,7 +38,10 @@ unsigned long long gauss_next(struct gauss_state *gs)
 		sum += dev;
 	}
 
-	return __hash_u64(sum) % gs->nranges;
+	if (!gs->disable_hash)
+		sum = __hash_u64(sum);
+
+	return sum % gs->nranges;
 }
 
 void gauss_init(struct gauss_state *gs, unsigned long nranges, double dev,
@@ -54,3 +57,8 @@ void gauss_init(struct gauss_state *gs, unsigned long nranges, double dev,
 			gs->stddev = nranges / 2;
 	}
 }
+
+void gauss_disable_hash(struct gauss_state *gs)
+{
+	gs->disable_hash = true;
+}