Don't scramble buffers if compression is enabled

[fio.git] / init.c

diff --git a/init.c b/init.c
index 73ec9eb22a8d2f36ff773f4e468fb1c4e3744bd5..0a872c0f1eed90eb05c05b89abeaab5a7fa104a7 100644 (file)
--- a/init.c
+++ b/init.c
@@ -856,6 +856,11 @@ int ioengine_load(struct thread_data *td)
        return 0;
 }
 
+static int compression_enabled(struct thread_options *o)
+{
+       return o->compress_percentage || o->compress_chunk;
+}
+
 static void init_flags(struct thread_data *td)
 {
        struct thread_options *o = &td->o;
@@ -868,8 +873,14 @@ static void init_flags(struct thread_data *td)
                td->flags |= TD_F_READ_IOLOG;
        if (o->refill_buffers)
                td->flags |= TD_F_REFILL_BUFFERS;
-       if (o->scramble_buffers)
+
+       /*
+        * Don't scramble buffers if we set any of the compression
+        * settings
+        */
+       if (o->scramble_buffers && !compression_enabled(o))
                td->flags |= TD_F_SCRAMBLE_BUFFERS;
+
        if (o->verify != VERIFY_NONE)
                td->flags |= TD_F_VER_NONE;
 }