b=21499 check stale object before version checks

i=wangdi
i=fanyong

diff --git a/lustre/mdt/mdt_reint.c b/lustre/mdt/mdt_reint.c
index 7799d54..faf5ad1 100644 (file)
--- a/lustre/mdt/mdt_reint.c
+++ b/lustre/mdt/mdt_reint.c
@@ -108,7 +108,8 @@ int mdt_version_get_check(struct mdt_thread_info *info, int index)
                 RETURN(0);
 
         LASSERT(info->mti_mos[index]);
                 RETURN(0);
 
         LASSERT(info->mti_mos[index]);

-        LASSERT(mdt_object_exists(info->mti_mos[index]));
+        if (mdt_object_exists(info->mti_mos[index]) == 0)
+                RETURN(-ESTALE);

         mo = mdt_object_child(info->mti_mos[index]);
 
         curr_version = mo_version_get(info->mti_env, mo);
         mo = mdt_object_child(info->mti_mos[index]);
 
         curr_version = mo_version_get(info->mti_env, mo);