fix 2 null versionID after convert_plain_entry_to_versioned

After convert plain entry to versioned, the converted entry epoch is 1.
Setting this ensures that there is only one null version.

Fixes: https://tracker.ceph.com/issues/62013
Signed-off-by: rui ma <marui1@chinatelecom.cn>
Signed-off-by: zhuo li <lizhuo@chinatelecom.cn>
(cherry picked from commit 14cfbfd60c45cc0f04f7a83057cb460731f3cc70)

diff --git a/src/cls/rgw/cls_rgw.cc b/src/cls/rgw/cls_rgw.cc
index 0e8d53e9420081027a2a298a6744b87819266bb6..5e25b3995812561c69c448ba186374f95e628275 100644 (file)
--- a/src/cls/rgw/cls_rgw.cc
+++ b/src/cls/rgw/cls_rgw.cc
@@ -1898,6 +1898,9 @@ static int rgw_bucket_link_olh(cls_method_context_t hctx, bufferlist *in, buffer
       return ret;
     }
     olh.set_tag(op.olh_tag);
+    if (op.key.instance.empty()){
+      obj.set_epoch(1);
+    }
   }
 
   /* update the olh log */