rgw: swift update obj metadata also add generic attrs

Fixes: #6462
We were missing the generic attributes when we updated the object
metadata (operation that only exists in the swift api).

Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/rgw/rgw_op.cc b/src/rgw/rgw_op.cc
index 114b8709a22..fc4ad6d3511 100644
--- a/src/rgw/rgw_op.cc
+++ b/src/rgw/rgw_op.cc
@@ -1604,6 +1604,13 @@ void RGWPutMetadata::execute()
     }
   }
 
+  map<string, string>::iterator giter;
+  for (giter = s->generic_attrs.begin(); giter != s->generic_attrs.end(); ++giter) {
+    bufferlist& attrbl = attrs[giter->first];
+    const string& val = giter->second;
+    attrbl.append(val.c_str(), val.size() + 1);
+  }
+
   if (has_policy) {
     policy.encode(bl);
     attrs[RGW_ATTR_ACL] = bl;