Add the zonemode job option

[fio.git] / options.c

diff --git a/options.c b/options.c
index 1c35acc76e57dc8865742ffe241df876ed38bcac..2bac64a343b1030966bcea2658455fc14d8021bc 100644 (file)
--- a/options.c
+++ b/options.c
@@ -1240,6 +1240,23 @@ int set_name_idx(char *target, size_t tlen, char *input, int index,
        return len;
 }
 
+char* get_name_by_idx(char *input, int index)
+{
+       unsigned int cur_idx;
+       char *fname, *str, *p;
+
+       p = str = strdup(input);
+
+       index %= get_max_name_idx(input);
+       for (cur_idx = 0; cur_idx <= index; cur_idx++)
+               fname = get_next_name(&str);
+
+       fname = strdup(fname);
+       free(p);
+
+       return fname;
+}
+
 static int str_filename_cb(void *data, const char *input)
 {
        struct thread_data *td = cb_data_to_td(data);
@@ -3222,6 +3239,30 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .help   = "Your platform does not support IO scheduler switching",
        },
 #endif
+       {
+               .name   = "zonemode",
+               .lname  = "Zone mode",
+               .help   = "Mode for the zonesize, zonerange and zoneskip parameters",
+               .type   = FIO_OPT_STR,
+               .off1   = offsetof(struct thread_options, zone_mode),
+               .def    = "none",
+               .category = FIO_OPT_C_IO,
+               .group  = FIO_OPT_G_ZONE,
+               .posval = {
+                          { .ival = "none",
+                            .oval = ZONE_MODE_NONE,
+                            .help = "no zoning",
+                          },
+                          { .ival = "strided",
+                            .oval = ZONE_MODE_STRIDED,
+                            .help = "strided mode - random I/O is restricted to a single zone",
+                          },
+                          { .ival = "zbd",
+                            .oval = ZONE_MODE_ZBD,
+                            .help = "zoned block device mode - random I/O selects one of multiple zones randomly",
+                          },
+               },
+       },
        {
                .name   = "zonesize",
                .lname  = "Zone size",