From c92aa51da0a02ceadfa9202e05cb742d8fe897d9 Mon Sep 17 00:00:00 2001
From: zhanghc <zhanghc>
Date: Wed, 3 Dec 2008 15:56:57 +0000
Subject: [PATCH] b=16432

fix mgs_setparam, which will return -EINVAL when param
related to llite(PARAM_LLITE) is set by MDT or OST

i=johann
i=nathan.rutman
---
 lustre/mgs/mgs_llog.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lustre/mgs/mgs_llog.c b/lustre/mgs/mgs_llog.c
index 89dcf26..e328f33 100644
--- a/lustre/mgs/mgs_llog.c
+++ b/lustre/mgs/mgs_llog.c
@@ -2824,6 +2824,10 @@ int mgs_setparam(struct obd_device *obd, struct lustre_cfg *lcfg, char *fsname)
         ptr = strrchr(devname, '-');
         memset(fsname, 0, MTI_NAME_MAXLEN);
         if (ptr && (server_name2index(ptr, &index, NULL) >= 0)) {
+                /* param related to llite isn't allowed to set by OST or MDT */
+                if (strncmp(param, PARAM_LLITE, sizeof(PARAM_LLITE)) == 0)
+                        RETURN(-EINVAL);
+
                 strncpy(fsname, devname, ptr - devname);
         } else {
                 /* assume devname is the fsname */
-- 
1.8.3.1