From ed7ffd86a2aa146856948945f214bbeb76d6a7ff Mon Sep 17 00:00:00 2001
From: huanghua <huanghua>
Date: Mon, 4 Sep 2006 14:41:58 +0000
Subject: [PATCH] some small fix and debug helper.

---
 lustre/ldlm/ldlm_lock.c     | 3 +++
 lustre/mdt/mdt_handler.c    | 1 +
 lustre/obdclass/obd_mount.c | 1 +
 3 files changed, 5 insertions(+)

diff --git a/lustre/ldlm/ldlm_lock.c b/lustre/ldlm/ldlm_lock.c
index e4e5ef3..3c21a00 100644
--- a/lustre/ldlm/ldlm_lock.c
+++ b/lustre/ldlm/ldlm_lock.c
@@ -1114,6 +1114,9 @@ void ldlm_reprocess_all_ns(struct ldlm_namespace *ns)
 {
         struct list_head *tmp;
         int i, rc;
+        
+        if (ns == NULL)
+                return;
 
         ENTRY;
         spin_lock(&ns->ns_hash_lock);
diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index d838d56..a768afa 100644
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -2297,6 +2297,7 @@ static struct lu_device *mdt_layer_setup(const struct lu_context *ctx,
         struct lu_device_type *ldt;
         struct lu_device      *d;
         int rc;
+        ENTRY;
 
         /* find the type */
         type = class_get_type(typename);
diff --git a/lustre/obdclass/obd_mount.c b/lustre/obdclass/obd_mount.c
index 7d41ed3..20dd8c6 100644
--- a/lustre/obdclass/obd_mount.c
+++ b/lustre/obdclass/obd_mount.c
@@ -1368,6 +1368,7 @@ static void server_put_super(struct super_block *sb)
 
         LCONSOLE_WARN("server umount %s complete\n", tmpname);
         OBD_FREE(tmpname, tmpname_sz);
+        class_obd_list();
         EXIT;
 }
 
-- 
1.8.3.1