testing: add test script for zonemode=strided

[fio.git] / options.c

diff --git a/options.c b/options.c
index 447f231e71485268d7c6bcc5149edf5800e60aaa..2c5bf5e06a44a384464543ff5c2f91a865fe8653 100644 (file)
--- a/options.c
+++ b/options.c
@@ -1434,6 +1434,22 @@ static int str_offset_cb(void *data, unsigned long long *__val)
        return 0;
 }
 
+static int str_offset_increment_cb(void *data, unsigned long long *__val)
+{
+       struct thread_data *td = cb_data_to_td(data);
+       unsigned long long v = *__val;
+
+       if (parse_is_percent(v)) {
+               td->o.offset_increment = 0;
+               td->o.offset_increment_percent = -1ULL - v;
+               dprint(FD_PARSE, "SET offset_increment_percent %d\n",
+                                       td->o.offset_increment_percent);
+       } else
+               td->o.offset_increment = v;
+
+       return 0;
+}
+
 static int str_size_cb(void *data, unsigned long long *__val)
 {
        struct thread_data *td = cb_data_to_td(data);
@@ -2084,6 +2100,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .name   = "offset_increment",
                .lname  = "IO offset increment",
                .type   = FIO_OPT_STR_VAL,
+               .cb     = str_offset_increment_cb,
                .off1   = offsetof(struct thread_options, offset_increment),
                .help   = "What is the increment from one offset to the next",
                .parent = "offset",