b=20591 fix race on obd_device::md_stats

call lprocfs_free_per_client_stats() before mdt_procfs_fini() frees
all the lprocfs data

i=liuying
i=wangdi
o=vitaly

diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index 6945820..cf7decb 100644 (file)
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -4379,9 +4379,9 @@ static void mdt_fini(const struct lu_env *env, struct mdt_device *m)
          */
         mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
 
          */
         mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
 

-        mdt_procfs_fini(m);

         lprocfs_free_per_client_stats(obd);
         lprocfs_free_obd_stats(obd);
         lprocfs_free_per_client_stats(obd);
         lprocfs_free_obd_stats(obd);

+        mdt_procfs_fini(m);

 
         if (ls) {
                 struct md_site *mite;
 
         if (ls) {
                 struct md_site *mite;