Merge pull request ceph#59567 from clwluvw/rgw-datachangelog

rgw: remove rgw_data_log_obj_prefix

Reviewed-by: Jiffin Tony Thottan <[email protected]>
Reviewed-by: Casey Bodley <[email protected]>

Author: cbodley

doc/radosgw/config-ref.rst

@@ -149,7 +149,6 @@ file under each ``[client.radosgw.{instance-name}]`` instance.
 .. confval:: rgw_run_sync_thread
 .. confval:: rgw_data_log_window
 .. confval:: rgw_data_log_changes_size
-.. confval:: rgw_data_log_obj_prefix
 .. confval:: rgw_data_log_num_shards
 .. confval:: rgw_md_log_max_shards
 .. confval:: rgw_data_sync_poll_interval

src/common/options/rgw.yaml.in

@@ -2078,14 +2078,6 @@ options:
   services:
   - rgw
   with_legacy: true
-- name: rgw_data_log_obj_prefix
-  type: str
-  level: dev
-  default: data_log
-  fmt_desc: The object name prefix for the data log.
-  services:
-  - rgw
-  with_legacy: true
 - name: rgw_data_sync_poll_interval
   type: int
   level: dev

src/rgw/driver/rados/rgw_datalog.h

@@ -241,10 +241,7 @@ class RGWDataChangesLog {
   std::unique_ptr<DataLogBackends> bes;
 
   const int num_shards;
-  std::string get_prefix() {
-    auto prefix = cct->_conf->rgw_data_log_obj_prefix;
-    return prefix.empty() ? prefix : "data_log";
-  }
+  std::string get_prefix() { return "data_log"; }
   std::string metadata_log_oid() {
     return get_prefix() + "generations_metadata";
   }