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cleanup redo log

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This commit is contained in:
Eugene Kosov 2020-03-13 12:45:34 +03:00
commit 774fe8969a
2 changed files with 3 additions and 18 deletions
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14
storage/innobase/include/log0log.h
View file

@ -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))

7
storage/innobase/log/log0log.cc
View file

@ -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.