rgw: fix empty json response when getting user quota

Fixes: #12117
Signed-off-by: wuxingyi <wuxingyi@letv.com>
(cherry picked from commit 64fceed2202c94edf28b8315fe14c9affa8c0116)

diff --git a/src/rgw/rgw_rest_user.cc b/src/rgw/rgw_rest_user.cc
index 8d8485fcc004e9236f084d946154b4f07ddcafc7..fc46ff6646fad6c7f742bd1638abe47452be7542 100644 (file)
--- a/src/rgw/rgw_rest_user.cc
+++ b/src/rgw/rgw_rest_user.cc
@@ -693,6 +693,7 @@ void RGWOp_Quota_Info::execute()
   if (http_ret < 0)
     return;
 
+  flusher.start(0);
   if (show_all) {
     UserQuotas quotas(info);
     encode_json("quota", quotas, s->formatter);