device add: support --help

diff --git a/cmd_device.c b/cmd_device.c
index 5628faec619128fdc2c32bd5052b5e73499f1a20..143f21d25fcd1f96d28bc6b22248f180692757f7 100644 (file)
--- a/cmd_device.c
+++ b/cmd_device.c
@@ -43,6 +43,7 @@ int cmd_device_add(int argc, char *argv[])
                { "discard",            no_argument,            NULL, 'D' },
                { "tier",               required_argument,      NULL, 't' },
                { "force",              no_argument,            NULL, 'f' },
+               { "help",               no_argument,            NULL, 'h' },
                { NULL }
        };
        struct format_opts format_opts  = format_opts_default();