diff --git a/job_files/blocks.ini b/job_files/blocks.ini
index 7f7bcdb..785af76 100644
--- a/job_files/blocks.ini
+++ b/job_files/blocks.ini
@@ -8,41 +8,51 @@ size=1G
 numjobs=1
 
 [seq-read-4k]
+stonewall
 bs=4k
 rw=read
 
 [seq-write-4k]
+stonewall
 bs=4k
 rw=write
 
 [seq-read-16k]
+stonewall
 bs=16k
 rw=read
 
 [seq-write-16k]
+stonewall
 bs=16k
 rw=write
 
 [seq-read-64k]
+stonewall
 bs=64k
 rw=read
 
 [seq-write-64k]
+stonewall
 bs=64k
 rw=write
 
 [seq-read-128k]
+stonewall
 bs=128k
 rw=read
 
 [seq-write-128k]
+stonewall
 bs=128k
 rw=write
 
 [seq-read-1m]
+stonewall
 bs=1m
 rw=read
 
 [seq-write-1m]
+stonewall
 bs=1m
 rw=write
diff --git a/job_files/default.ini b/job_files/default.ini
index 9749071..c996208 100644
--- a/job_files/default.ini
+++ b/job_files/default.ini
@@ -12,6 +12,7 @@ stonewall
 readwrite=randread
 numjobs=4
 iodepth=1
+
 [random-writes]
 stonewall
 readwrite=randwrite