LU-2309 config: ignore unknown configuration param

[fs/lustre-release.git] / lustre / obdclass / obd_config.c

diff --git a/lustre/obdclass/obd_config.c b/lustre/obdclass/obd_config.c
index d23f1b9..a9c1ceb 100644 (file)
--- a/lustre/obdclass/obd_config.c
+++ b/lustre/obdclass/obd_config.c
@@ -1149,11 +1149,14 @@ int class_process_config(struct lustre_cfg *lcfg)
                                               PARAM_SYS, &tmp) == 0)) {
                         /* Global param settings */
                        err = class_set_global(tmp, lcfg->lcfg_num, lcfg);
-                        /* Note that since LCFG_PARAM is LCFG_REQUIRED, new
-                           unknown globals would cause config to fail */
-                        if (err)
-                                CWARN("Ignoring unknown param %s\n", tmp);
-                        GOTO(out, 0);
+                       /*
+                        * Client or server should not fail to mount if
+                        * it hits an unknown configuration parameter.
+                        */
+                       if (err != 0)
+                               CWARN("Ignoring unknown param %s\n", tmp);
+
+                       GOTO(out, err = 0);
                } else if ((class_match_param(lustre_cfg_string(lcfg, 1),
                                              PARAM_QUOTA, &tmp) == 0) &&
                           quota_process_config) {