Fix for verify_only (do_dry_run()) broken by 74d6277f

Previous commit to backend.c tracks io_limit more closely by
counting submitted (in-flight) I/O instead of completed I/O.
do_dry_run() does not submit I/O, so its I/O is not counted,
and it loops forever.
Signed-off-by: Justin Eno <jeno@micron.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
1 file changed