va_end(args);
}
EXPORT_SYMBOL(_debug_capa);
+
+/*
+ * context key constructor/destructor:
+ * lu_capainfo_key_init, lu_capainfo_key_fini
+ */
+LU_KEY_INIT_FINI(lu_capainfo, struct lu_capainfo);
+
+struct lu_context_key lu_capainfo_key = {
+ .lct_tags = LCT_SESSION,
+ .lct_init = lu_capainfo_key_init,
+ .lct_fini = lu_capainfo_key_fini
+};
+
+struct lu_capainfo *lu_capainfo_get(const struct lu_env *env)
+{
+ /* NB, in mdt_init0 */
+ if (env->le_ses == NULL)
+ return NULL;
+ return lu_context_key_get(env->le_ses, &lu_capainfo_key);
+}
+EXPORT_SYMBOL(lu_capainfo_get);
+
+/**
+ * Initialization of lu_capainfo_key data.
+ */
+int lu_capainfo_init(void)
+{
+ int rc;
+
+ LU_CONTEXT_KEY_INIT(&lu_capainfo_key);
+ rc = lu_context_key_register(&lu_capainfo_key);
+ return rc;
+}
+
+/**
+ * Dual to lu_capainfo_init().
+ */
+void lu_capainfo_fini(void)
+{
+ lu_context_key_degister(&lu_capainfo_key);
+}