Merge branch 'fio_pr_alternate_epoch' of https://github.com/PCPartPicker/fio

[fio.git] / engines / rados.c

diff --git a/engines/rados.c b/engines/rados.c
index 42ee48ff02b3f6371027ab4cbcbc304aefbbea10..23e62c4c45e3c5bf15a9d646636d1cfe3cf49b0c 100644 (file)
--- a/engines/rados.c
+++ b/engines/rados.c
@@ -38,6 +38,7 @@ struct rados_options {
        char *pool_name;
        char *client_name;
        int busy_poll;
+       int touch_objects;
 };
 
 static struct fio_option options[] = {
@@ -78,6 +79,16 @@ static struct fio_option options[] = {
                .category = FIO_OPT_C_ENGINE,
                .group    = FIO_OPT_G_RBD,
        },
+       {
+               .name     = "touch_objects",
+               .lname    = "touch objects on start",
+               .type     = FIO_OPT_BOOL,
+               .help     = "Touch (create) objects on start",
+               .off1     = offsetof(struct rados_options, touch_objects),
+               .def      = "1",
+               .category = FIO_OPT_C_ENGINE,
+               .group    = FIO_OPT_G_RBD,
+       },
        {
                .name     = NULL,
        },
@@ -194,9 +205,11 @@ static int _fio_rados_connect(struct thread_data *td)
        for (i = 0; i < td->o.nr_files; i++) {
                f = td->files[i];
                f->real_file_size = file_size;
-               r = rados_write(rados->io_ctx, f->file_name, "", 0, 0);
-               if (r < 0) {
-                       goto failed_obj_create;
+               if (o->touch_objects) {
+                       r = rados_write(rados->io_ctx, f->file_name, "", 0, 0);
+                       if (r < 0) {
+                               goto failed_obj_create;
+                       }
                }
        }
        return 0;