Branch: b_new_cmd

we should check whether srcid is equal to tgtid before really rename

diff --git a/lustre/mdt/mdt_reint.c b/lustre/mdt/mdt_reint.c
index fee76be..d0390cd 100644 (file)
--- a/lustre/mdt/mdt_reint.c
+++ b/lustre/mdt/mdt_reint.c
@@ -482,6 +482,9 @@ static int mdt_reint_rename(struct mdt_thread_info *info)
 
         if (rc == 0) {
                 /* the new_fid should have been filled at this moment*/
+                if (lu_fid_eq(old_fid, new_fid))
+                       GOTO(out_unlock_old, rc); 
+                
                 lh_newp->mlh_mode = LCK_EX;
                 mnew = mdt_object_find_lock(info, new_fid, lh_newp,
                                             MDS_INODELOCK_FULL);