rgw: fix lc process only schdule the first item of lc objects

If more than two bucket hash to the same lc object, only the first bucket will do lifecycle operation. Other buckets lifecycle will never be schduled.

Fixes: http://tracker.ceph.com/issues/21022

Signed-off-by: Shasha Lu <lu.shasha@eisoo.com>

src/rgw/rgw_lc.cc

@@ -195,8 +195,10 @@ bool RGWLC::if_already_run_today(time_t& start_date)
   localtime_r(&start_date, &bdt);
 
   if (cct->_conf->rgw_lc_debug_interval > 0) {
-	  /* We're debugging, so say we can run */
-	  return false;
+    if (now - start_data < cct->_conf->rgw_lc_debug_interval)
+      return true;
+    else
+      return false;
   }
 
   bdt.tm_hour = 0;
@@ -667,13 +669,11 @@ int RGWLC::process(int index, int max_lock_secs)
     l.unlock(&store->lc_pool_ctx, obj_names[index]);
     ret = bucket_lc_process(entry.first);
     bucket_lc_post(index, max_lock_secs, entry, ret);
-    return 0;
+  }while(1);
+
 exit:
     l.unlock(&store->lc_pool_ctx, obj_names[index]);
     return 0;
-
-  }while(1);
-
 }
 
 void RGWLC::start_processor()