From: wangdi <wangdi>
Date: Thu, 28 Sep 2006 10:50:58 +0000 (+0000)
Subject: Branch: b_new_cmd
X-Git-Tag: v1_8_0_110~486^2~787
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=8e7effb44369916fa98a02e98f91358a1792bc90;p=fs%2Flustre-release.git

Branch: b_new_cmd
missing some readlock in mdd api
---

diff --git a/lustre/mdd/mdd_handler.c b/lustre/mdd/mdd_handler.c
index 456c162..d7caeea 100644
--- a/lustre/mdd/mdd_handler.c
+++ b/lustre/mdd/mdd_handler.c
@@ -696,7 +696,9 @@ static int mdd_readlink(const struct lu_context *ctxt, struct md_object *obj,
         LASSERT(lu_object_exists(&obj->mo_lu));
 
         next = mdd_object_child(mdd_obj);
+        mdd_read_lock(ctxt, mdd_obj);
         rc = next->do_body_ops->dbo_read(ctxt, next, buf, buf_len, &pos);
+        mdd_read_unlock(ctxt, mdd_obj);
         RETURN(rc);
 }
 
@@ -712,7 +714,9 @@ static int mdd_xattr_list(const struct lu_context *ctxt, struct md_object *obj,
         LASSERT(lu_object_exists(&obj->mo_lu));
 
         next = mdd_object_child(mdd_obj);
+        mdd_read_lock(ctxt, mdd_obj);
         rc = next->do_ops->do_xattr_list(ctxt, next, buf, buf_len);
+        mdd_read_unlock(ctxt, mdd_obj);
 
         RETURN(rc);
 }