Add vsync io engine

[fio.git] / options.c

diff --git a/options.c b/options.c
index 3de2ae615fb3d1683625ce42f9b0ad9d7947eb13..1e99810e19e8de94fd51a8562842ae42aff4457e 100644 (file)
--- a/options.c
+++ b/options.c
@@ -440,6 +440,9 @@ static struct fio_option options[] = {
                          { .ival = "psync",
                            .help = "Use pread/pwrite",
                          },
+                         { .ival = "vsync",
+                            .help = "Use readv/writev",
+                         },
 #ifdef FIO_HAVE_LIBAIO
                          { .ival = "libaio",
                            .help = "Linux native asynchronous IO",