/* type constructor/destructor: cmm_type_init/cmm_type_fini */
LU_TYPE_INIT_FINI(cmm, &cmm_thread_key);
+/*
+ * Kludge code : it should be moved mdc_device.c if mdc_(mds)_device
+ * is really stacked.
+ */
+static int __cmm_type_init(struct lu_device_type *t)
+{
+ int rc;
+ rc = lu_device_type_init(&mdc_device_type);
+ if (rc == 0) {
+ rc = cmm_type_init(t);
+ if (rc)
+ lu_device_type_fini(&mdc_device_type);
+ }
+ return rc;
+}
+
+static void __cmm_type_fini(struct lu_device_type *t)
+{
+ lu_device_type_fini(&mdc_device_type);
+ cmm_type_fini(t);
+}
+
+static void __cmm_type_start(struct lu_device_type *t)
+{
+ mdc_device_type.ldt_ops->ldto_start(&mdc_device_type);
+ cmm_type_start(t);
+}
+
+static void __cmm_type_stop(struct lu_device_type *t)
+{
+ mdc_device_type.ldt_ops->ldto_stop(&mdc_device_type);
+ cmm_type_stop(t);
+}
+
static int cmm_device_init(const struct lu_env *env, struct lu_device *d,
const char *name, struct lu_device *next)
{
}
static struct lu_device_type_operations cmm_device_type_ops = {
- .ldto_init = cmm_type_init,
- .ldto_fini = cmm_type_fini,
+ .ldto_init = __cmm_type_init,
+ .ldto_fini = __cmm_type_fini,
- .ldto_start = cmm_type_start,
- .ldto_stop = cmm_type_stop,
+ .ldto_start = __cmm_type_start,
+ .ldto_stop = __cmm_type_stop,
.ldto_device_alloc = cmm_device_alloc,
.ldto_device_free = cmm_device_free,
static int __init cmm_mod_init(void)
{
struct lprocfs_static_vars lvars;
- int rc;
-
- /*
- * Kludge code : it should be moved mdc_device.c if mdc_(mds)_device
- * is really stacked.
- */
- rc = lu_device_type_init(&mdc_device_type);
- if (rc)
- return rc;
lprocfs_cmm_init_vars(&lvars);
- rc = class_register_type(&cmm_obd_device_ops, NULL, lvars.module_vars,
- LUSTRE_CMM_NAME, &cmm_device_type);
- if (rc)
- lu_device_type_fini(&mdc_device_type);
-
- return rc;
+ return class_register_type(&cmm_obd_device_ops, NULL, lvars.module_vars,
+ LUSTRE_CMM_NAME, &cmm_device_type);
}
static void __exit cmm_mod_exit(void)
{
class_unregister_type(LUSTRE_CMM_NAME);
- lu_device_type_fini(&mdc_device_type);
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");