Change --output-format argument from optional to required

Not sure if there were any reason d10983d7 chose to add if(!optarg)
conditional, but this is what other fio options (or in general) do.

Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/init.c b/init.c
index 0a6766e39f1a082dc78a815b307d36d289684ae7..fb07daadbb7a6ee12118e99f4999e0b5017c0eb3 100644 (file)
--- a/init.c
+++ b/init.c
@@ -114,7 +114,7 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
        },
        {
                .name           = (char *) "output-format",
-               .has_arg        = optional_argument,
+               .has_arg        = required_argument,
                .val            = 'F' | FIO_CLIENT_FLAG,
        },
        {
@@ -2352,12 +2352,6 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        output_format = FIO_OUTPUT_TERSE;
                        break;
                case 'F':
-                       if (!optarg) {
-                               log_err("fio: missing --output-format argument\n");
-                               exit_val = 1;
-                               do_exit++;
-                               break;
-                       }
                        if (parse_output_format(optarg)) {
                                log_err("fio: failed parsing output-format\n");
                                exit_val = 1;