rename binlog_dbug_fsync_sleep -> debug_binlog_fsync_sleep

sql/log.cc

@@ -70,7 +70,7 @@ static LEX_STRING const write_error_msg=
 static my_bool opt_optimize_thread_scheduling= TRUE;
 ulong binlog_checksum_options;
 #ifndef DBUG_OFF
-static ulong opt_binlog_dbug_fsync_sleep= 0;
+ulong opt_binlog_dbug_fsync_sleep= 0;
 #endif
 
 static my_bool mutexes_inited;
@@ -7067,27 +7067,10 @@ static MYSQL_SYSVAR_ENUM(
   BINLOG_CHECKSUM_ALG_OFF,
   &binlog_checksum_typelib);
 
-#ifndef DBUG_OFF
-static MYSQL_SYSVAR_ULONG(
-  dbug_fsync_sleep,
-  opt_binlog_dbug_fsync_sleep,
-  PLUGIN_VAR_RQCMDARG,
-  "Extra sleep (in microseconds) to add to binlog fsync(), for debugging",
-  NULL,
-  NULL,
-  0,
-  0,
-  ULONG_MAX,
-  0);
-#endif
-
 static struct st_mysql_sys_var *binlog_sys_vars[]=
 {
   MYSQL_SYSVAR(optimize_thread_scheduling),
   MYSQL_SYSVAR(checksum),
-#ifndef DBUG_OFF
-  MYSQL_SYSVAR(dbug_fsync_sleep),
-#endif
   NULL
 };
 

sql/mysql_priv.h

@@ -2163,7 +2163,7 @@ extern ulong query_buff_size;
 extern ulong max_prepared_stmt_count, prepared_stmt_count;
 extern ulong binlog_cache_size, open_files_limit;
 extern ulonglong max_binlog_cache_size;
-extern ulong max_binlog_size, max_relay_log_size;
+extern ulong max_binlog_size, max_relay_log_size, opt_binlog_dbug_fsync_sleep;
 extern ulong opt_binlog_rows_event_max_size;
 extern my_bool opt_master_verify_checksum;
 extern my_bool opt_slave_sql_verify_checksum;

sql/mysqld.cc

@@ -6015,7 +6015,7 @@ enum options_mysqld
   OPT_SQL_BIN_UPDATE_SAME,     OPT_REPLICATE_DO_DB,
   OPT_REPLICATE_IGNORE_DB,     OPT_LOG_SLAVE_UPDATES,
   OPT_BINLOG_DO_DB,            OPT_BINLOG_IGNORE_DB,
-  OPT_BINLOG_FORMAT,
+  OPT_BINLOG_FORMAT,           OPT_DEBUG_BINLOG_FSYNC_SLEEP,
   OPT_BINLOG_ANNOTATE_ROWS_EVENTS,
   OPT_REPLICATE_ANNOTATE_ROWS_EVENTS,
 #ifndef DBUG_OFF
@@ -6241,6 +6241,12 @@ struct my_option my_long_options[] =
   {"bind-address", OPT_BIND_ADDRESS, "IP address to bind to.",
    &my_bind_addr_str, &my_bind_addr_str, 0, GET_STR,
    REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
+#ifndef DBUG_OFF
+  {"debug-binlog-fsync-sleep", OPT_DEBUG_BINLOG_FSYNC_SLEEP,
+    "Extra sleep (in microseconds) to add to binlog fsync(), for debugging",
+    &opt_binlog_dbug_fsync_sleep, &opt_binlog_dbug_fsync_sleep,
+   0, GET_ULONG, REQUIRED_ARG, 0, 0, ULONG_MAX, 0, 1, 0},
+#endif
   {"binlog_format", OPT_BINLOG_FORMAT,
    "Does not have any effect without '--log-bin'. "
    "Tell the master the form of binary logging to use: either 'row' for "

sql/set_var.cc

@@ -265,6 +265,9 @@ static sys_var_thd_ulong sys_deadlock_timeout_long(&vars,
                                  &SV::wt_timeout_long);
 #ifndef DBUG_OFF
 static sys_var_thd_dbug        sys_dbug(&vars, "debug");
+static sys_var_long_ptr        sys_var_debug_binlog_fsync_sleep(&vars,
+                                        "debug_binlog_fsync_sleep",
+                                        &opt_binlog_dbug_fsync_sleep);
 #endif
 static sys_var_enum		sys_delay_key_write(&vars, "delay_key_write",
 					    &delay_key_write_options,