From 0dfbf47070cfc33aa7b0831c5e5ed143e7041513 Mon Sep 17 00:00:00 2001
From: yangsheng <Sheng.Yang@Sun.COM>
Date: Tue, 11 May 2010 22:09:49 +0800
Subject: [PATCH] b=21871 Cleanup procfs export when exp_refcount == 0.

i=nathan
i=johann
---
 lustre/ldlm/ldlm_lib.c    | 3 ---
 lustre/mds/handler.c      | 2 --
 lustre/mgs/mgs_handler.c  | 1 -
 lustre/obdclass/genops.c  | 3 +++
 lustre/obdfilter/filter.c | 1 -
 5 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/lustre/ldlm/ldlm_lib.c b/lustre/ldlm/ldlm_lib.c
index 2d2aa6b..44666ab 100644
--- a/lustre/ldlm/ldlm_lib.c
+++ b/lustre/ldlm/ldlm_lib.c
@@ -551,9 +551,6 @@ int server_disconnect_export(struct obd_export *exp)
         }
         spin_unlock(&exp->exp_lock);
 
-        /* release nid stat refererence */
-        lprocfs_exp_cleanup(exp);
-
         RETURN(rc);
 }
 
diff --git a/lustre/mds/handler.c b/lustre/mds/handler.c
index 7c529c2..dcefe8a 100644
--- a/lustre/mds/handler.c
+++ b/lustre/mds/handler.c
@@ -388,8 +388,6 @@ out:
                         med->med_lcd = NULL;
                 }
                 class_disconnect(exp);
-                /* release nid stat refererence */
-                lprocfs_exp_cleanup(exp);
         } else {
                 class_export_put(exp);
         }
diff --git a/lustre/mgs/mgs_handler.c b/lustre/mgs/mgs_handler.c
index da21f37..5c16241 100644
--- a/lustre/mgs/mgs_handler.c
+++ b/lustre/mgs/mgs_handler.c
@@ -90,7 +90,6 @@ static int mgs_connect(struct lustre_handle *conn, struct obd_device *obd,
         rc =  mgs_export_stats_init(obd, exp, 0, localdata);
         if (rc) {
                 class_disconnect(exp);
-                lprocfs_exp_cleanup(exp);
         } else {
                 class_export_put(exp);
         }
diff --git a/lustre/obdclass/genops.c b/lustre/obdclass/genops.c
index eab7402..0116e29 100644
--- a/lustre/obdclass/genops.c
+++ b/lustre/obdclass/genops.c
@@ -654,6 +654,9 @@ void __class_export_put(struct obd_export *exp)
                 CDEBUG(D_IOCTL, "final put %p/%s\n",
                        exp, exp->exp_client_uuid.uuid);
 
+                /* release nid stat refererence */
+                lprocfs_exp_cleanup(exp);
+
                 spin_lock(&obd_zombie_impexp_lock);
                 list_add(&exp->exp_obd_chain, &obd_zombie_exports);
                 spin_unlock(&obd_zombie_impexp_lock);
diff --git a/lustre/obdfilter/filter.c b/lustre/obdfilter/filter.c
index 278793a..8e9aec4 100644
--- a/lustre/obdfilter/filter.c
+++ b/lustre/obdfilter/filter.c
@@ -2458,7 +2458,6 @@ cleanup:
                         fed->fed_lcd = NULL;
                 }
                 class_disconnect(exp);
-                lprocfs_exp_cleanup(exp);
         } else {
                 class_export_put(exp);
         }
-- 
1.8.3.1