More documentation updates
fio.1 should now be in sync with HOWTO.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index 2be845c..536e370 100644
--- a/HOWTO
+++ b/HOWTO
@@ -314,7 +314,8 @@
fill_device=bool Sets size to something really large and waits for ENOSPC (no
space left on device) as the terminating condition. Only makes
- sense with sequential write.
+ sense with sequential write. For a read workload, the mount
+ point will be filled first then IO started on the result.
blocksize=int
bs=int The block size used for the io units. Defaults to 4k. Values