+ BlueSkyInode *dir1 = lookup_fh(req, &argp->from.dir);
+ if (dir1 == NULL) {
+ result.status = NFS3ERR_STALE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ BlueSkyInode *dir2 = lookup_fh(req, &argp->to.dir);
+ if (dir2 == NULL) {
+ result.status = NFS3ERR_STALE;
+ async_rpc_send_reply(req, &result);
+ return;
+ }
+
+ if (dir1->inum < dir2->inum) {
+ g_mutex_lock(dir1->lock);
+ g_mutex_lock(dir2->lock);
+ } else if (dir1->inum > dir2->inum) {
+ g_mutex_lock(dir2->lock);
+ g_mutex_lock(dir1->lock);
+ }
+ encode_pre_wcc(wcc1, dir1);
+ encode_pre_wcc(wcc2, dir1);
+
+ gboolean status = bluesky_rename(dir1, argp->from.name,
+ dir2, argp->to.name,
+ TRUE, TRUE);
+
+ wcc1->after.present = TRUE;
+ encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
+ wcc2->after.present = TRUE;
+ encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
+ if (status)
+ result.status = NFS3_OK;
+ else
+ result.status = NFS3ERR_PERM;