Add missing .help string for io_size option

fio --cmdhelp currently prints "(null)" for io_size.

Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/options.c b/options.c
index 0f2adcd454c57823e59d931ec977052ab65a058d..1ca16e84ad15a5c916bf832f03d7c6f4a9c94a62 100644 (file)
--- a/options.c
+++ b/options.c
@@ -1883,6 +1883,7 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .lname  = "IO Size",
                .type   = FIO_OPT_STR_VAL,
                .off1   = offsetof(struct thread_options, io_limit),
+               .help   = "Total size of I/O to be performed",
                .interval = 1024 * 1024,
                .category = FIO_OPT_C_IO,
                .group  = FIO_OPT_G_INVALID,