filesetup: add fallocate=truncate option.

[fio.git] / options.c

diff --git a/options.c b/options.c
index 2c5bf5e06a44a384464543ff5c2f91a865fe8653..fad1857e20fbfb34eb1c804981b17d86bf4b43fc 100644 (file)
--- a/options.c
+++ b/options.c
@@ -2412,14 +2412,17 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                .parent = "nrfiles",
                .hide   = 1,
        },
-#ifdef FIO_HAVE_ANY_FALLOCATE
        {
                .name   = "fallocate",
                .lname  = "Fallocate",
                .type   = FIO_OPT_STR,
                .off1   = offsetof(struct thread_options, fallocate_mode),
                .help   = "Whether pre-allocation is performed when laying out files",
+#ifdef FIO_HAVE_DEFAULT_FALLOCATE
                .def    = "native",
+#else
+               .def    = "none",
+#endif
                .category = FIO_OPT_C_FILE,
                .group  = FIO_OPT_G_INVALID,
                .posval = {
@@ -2443,6 +2446,10 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
                            .help = "Use fallocate(..., FALLOC_FL_KEEP_SIZE, ...)",
                          },
 #endif
+                         { .ival = "truncate",
+                           .oval = FIO_FALLOCATE_TRUNCATE,
+                           .help = "Truncate file to final size instead of allocating"
+                         },
                          /* Compatibility with former boolean values */
                          { .ival = "0",
                            .oval = FIO_FALLOCATE_NONE,
@@ -2456,14 +2463,6 @@ struct fio_option fio_options[FIO_MAX_OPTS] = {
 #endif
                },
        },
-#else  /* FIO_HAVE_ANY_FALLOCATE */
-       {
-               .name   = "fallocate",
-               .lname  = "Fallocate",
-               .type   = FIO_OPT_UNSUPPORTED,
-               .help   = "Your platform does not support fallocate",
-       },
-#endif /* FIO_HAVE_ANY_FALLOCATE */
        {
                .name   = "fadvise_hint",
                .lname  = "Fadvise hint",