Add support for mixing a random IO workload a bit

[fio.git] / options.c

diff --git a/options.c b/options.c
index e13b2b241342092b0d60b5c7b499fed4e85a0582..41ecd7fdd0d7818736c609a3108d6268e9c8f3e9 100644 (file)
--- a/options.c
+++ b/options.c
@@ -27,6 +27,20 @@ static char *get_opt_postfix(const char *str)
        return strdup(p);
 }
 
+static int str_rw_cb(void *data, const char *str)
+{
+       struct thread_data *td = data;
+       char *nr = get_opt_postfix(str);
+
+       td->o.ddir_nr = 0;
+       if (nr)
+               td->o.ddir_nr = atoi(nr);
+
+       printf("ddir_nr=%d\n", td->o.ddir_nr);
+
+       return 0;
+}
+
 static int str_mem_cb(void *data, const char *mem)
 {
        struct thread_data *td = data;
@@ -203,6 +217,7 @@ static struct fio_option options[] = {
                .name   = "rw",
                .alias  = "readwrite",
                .type   = FIO_OPT_STR,
+               .cb     = str_rw_cb,
                .off1   = td_var_offset(td_ddir),
                .help   = "IO direction",
                .def    = "read",