Disable random map automatically if a non-uniform random distribution is given
authorJens Axboe <axboe@kernel.dk>
Thu, 15 Nov 2012 22:21:23 +0000 (15:21 -0700)
committerJens Axboe <axboe@kernel.dk>
Thu, 15 Nov 2012 22:21:23 +0000 (15:21 -0700)
Doesn't make sense to use a map, if the user specifically asked for
a non-uniform distribution.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
init.c

diff --git a/init.c b/init.c
index a682423e9801be03a120b6d038f0b8fd6c762c1c..70217418ce5f75df75bc88a0cec2d7223a5d7183 100644 (file)
--- a/init.c
+++ b/init.c
@@ -596,6 +596,13 @@ static int fixup_options(struct thread_data *td)
                td->o.compress_percentage = 0;
        }
 
+       /*
+        * Using a non-uniform random distribution excludes usage of
+        * a random map
+        */
+       if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
+               td->o.norandommap = 1;
+
        return ret;
 }