cleanup redo log

storage/innobase/include/log0log.h

@@ -34,26 +34,22 @@ Created 12/9/1995 Heikki Tuuri
 #ifndef log0log_h
 #define log0log_h
 
-#include "dyn0buf.h"
 #include "log0types.h"
-#include "os0event.h"
+#include "ut0mutex.h"
 #include "os0file.h"
 #include "span.h"
 #include <atomic>
+#include <vector>
+#include <string>
 
 using st_::span;
 
-/** Magic value to use instead of log checksums when they are disabled */
-#define LOG_NO_CHECKSUM_MAGIC 0xDEADBEEFUL
-
 /* Margin for the free space in the smallest log, before a new query
 step which modifies the database, is started */
 
 #define LOG_CHECKPOINT_FREE_PER_THREAD	(4U << srv_page_size_shift)
 #define LOG_CHECKPOINT_EXTRA_FREE	(8U << srv_page_size_shift)
 
-typedef ulint (*log_checksum_func_t)(const byte* log_block);
-
 static const char LOG_FILE_NAME_PREFIX[] = "ib_logfile";
 static const char LOG_FILE_NAME[] = "ib_logfile0";
 
@@ -305,10 +301,6 @@ void
 log_refresh_stats(void);
 /*===================*/
 
-/* Values used as flags */
-#define LOG_FLUSH	7652559
-#define LOG_CHECKPOINT	78656949
-
 /* The counting of lsn's starts from this value: this must be non-zero */
 #define LOG_START_LSN		((lsn_t) (16 * OS_FILE_LOG_BLOCK_SIZE))
 

storage/innobase/log/log0log.cc

@@ -37,13 +37,11 @@ Created 12/9/1995 Heikki Tuuri
 
 #include "log0log.h"
 #include "log0crypt.h"
-#include "mem0mem.h"
 #include "buf0buf.h"
 #include "buf0flu.h"
 #include "lock0lock.h"
 #include "log0recv.h"
 #include "fil0fil.h"
-#include "dict0boot.h"
 #include "dict0stats_bg.h"
 #include "btr0defragment.h"
 #include "srv0srv.h"
@@ -52,7 +50,6 @@ Created 12/9/1995 Heikki Tuuri
 #include "trx0trx.h"
 #include "trx0roll.h"
 #include "srv0mon.h"
-#include "sync0sync.h"
 #include "buf0dump.h"
 #include "log0sync.h"
 
@@ -94,10 +91,6 @@ should be bigger than LOG_POOL_PREFLUSH_RATIO_SYNC */
 the previous */
 #define LOG_POOL_PREFLUSH_RATIO_ASYNC	8
 
-/* Codes used in unlocking flush latches */
-#define LOG_UNLOCK_NONE_FLUSHED_LOCK	1
-#define LOG_UNLOCK_FLUSH_LOCK		2
-
 /****************************************************************//**
 Returns the oldest modified block lsn in the pool, or log_sys.lsn if none
 exists.