Show how many jobs are in a group

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fio.h b/fio.h
index 1b933ca..8d0207a 100644
--- a/fio.h
+++ b/fio.h
@@ -261,6 +261,7 @@
 	int groupid;
 	pid_t pid;
 	char *description;
+	int members;
 
 	struct io_log *slat_log;
 	struct io_log *clat_log;