Define OS preferred IO engine

[fio.git] / options.c

diff --git a/options.c b/options.c
index 67d0d2ddb2ad22b8bd5789c9691fb1334476e195..de2d037093481bc4bfe4797f69ac089b74b5db4f 100644 (file)
--- a/options.c
+++ b/options.c
@@ -918,7 +918,7 @@ static struct fio_option options[FIO_MAX_OPTS] = {
                .type   = FIO_OPT_STR_STORE,
                .off1   = td_var_offset(ioengine),
                .help   = "IO engine to use",
-               .def    = "sync",
+               .def    = FIO_PREFERRED_ENGINE,
                .posval = {
                          { .ival = "sync",
                            .help = "Use read/write",