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Get rid of a global variable 

bootstrap_data_checksum_version can just as easily be passed to where
it is used via function arguments.

Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/flat/e0a62134-83da-4ba4-8cdb-ceb0111c95ce@eisentraut.org
This commit is contained in:
Peter Eisentraut 2024-07-23 09:53:54 +02:00
parent ffb0603929
commit 935e675f3c
3 changed files with 8 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/backend/access/transam/xlog.c
View File

@ -105,8 +105,6 @@
#include "utils/timestamp.h"
#include "utils/varlena.h"
extern uint32 bootstrap_data_checksum_version;
/* timeline ID to be used when bootstrapping */
#define BootstrapTimeLineID 1
@ -683,7 +681,7 @@ static void ValidateXLOGDirectoryStructure(void);
static void CleanupBackupHistory(void);
static void UpdateMinRecoveryPoint(XLogRecPtr lsn, bool force);
static bool PerformRecoveryXLogAction(void);
static void InitControlFile(uint64 sysidentifier);
static void InitControlFile(uint64 sysidentifier, uint32 data_checksum_version);
static void WriteControlFile(void);
static void ReadControlFile(void);
static void UpdateControlFile(void);
@ -4190,7 +4188,7 @@ CleanupBackupHistory(void)
*/
static void
InitControlFile(uint64 sysidentifier)
InitControlFile(uint64 sysidentifier, uint32 data_checksum_version)
{
char mock_auth_nonce[MOCK_AUTH_NONCE_LEN];
@ -4221,7 +4219,7 @@ InitControlFile(uint64 sysidentifier)
ControlFile->wal_level = wal_level;
ControlFile->wal_log_hints = wal_log_hints;
ControlFile->track_commit_timestamp = track_commit_timestamp;
ControlFile->data_checksum_version = bootstrap_data_checksum_version;
ControlFile->data_checksum_version = data_checksum_version;
}
static void
@ -4997,7 +4995,7 @@ XLOGShmemInit(void)
* and the initial XLOG segment.
*/
void
BootStrapXLOG(void)
BootStrapXLOG(uint32 data_checksum_version)
{
CheckPoint checkPoint;
char *buffer;
@ -5139,7 +5137,7 @@ BootStrapXLOG(void)
openLogFile = -1;
/* Now create pg_control */
InitControlFile(sysidentifier);
InitControlFile(sysidentifier, data_checksum_version);
ControlFile->time = checkPoint.time;
ControlFile->checkPoint = checkPoint.redo;
ControlFile->checkPointCopy = checkPoint;

5
src/backend/bootstrap/bootstrap.c
View File

@ -41,8 +41,6 @@
#include "utils/rel.h"
#include "utils/relmapper.h"
uint32 bootstrap_data_checksum_version = 0; /* No checksum */
static void CheckerModeMain(void);
static void bootstrap_signals(void);
@ -202,6 +200,7 @@ BootstrapModeMain(int argc, char *argv[], bool check_only)
char *progname = argv[0];
int flag;
char *userDoption = NULL;
uint32 bootstrap_data_checksum_version = 0; /* No checksum */
Assert(!IsUnderPostmaster);
@ -332,7 +331,7 @@ BootstrapModeMain(int argc, char *argv[], bool check_only)
BaseInit();
bootstrap_signals();
BootStrapXLOG();
BootStrapXLOG(bootstrap_data_checksum_version);
/*
* To ensure that src/common/link-canary.c is linked into the backend, we

2
src/include/access/xlog.h
View File

@ -231,7 +231,7 @@ extern bool DataChecksumsEnabled(void);
extern XLogRecPtr GetFakeLSNForUnloggedRel(void);
extern Size XLOGShmemSize(void);
extern void XLOGShmemInit(void);
extern void BootStrapXLOG(void);
extern void BootStrapXLOG(uint32 data_checksum_version);
extern void InitializeWalConsistencyChecking(void);
extern void LocalProcessControlFile(bool reset);
extern WalLevel GetActiveWalLevelOnStandby(void);