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Revert "Allow on-line enabling and disabling of data checksums"

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This reverts the backend sides of commit 1fde38beaa.
I have, at least for now, left the pg_verify_checksums tool in place, as
this tool can be very valuable without the rest of the patch as well,
and since it's a read-only tool that only runs when the cluster is down
it should be a lot safer.
This commit is contained in:
Magnus Hagander
2018-04-09 19:02:42 +02:00
parent 03c11796a9
commit a228cc13ae
39 changed files with 34 additions and 1658 deletions
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10
src/include/access/xlog.h
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@@ -154,7 +154,7 @@ extern PGDLLIMPORT int wal_level;
* of the bits make it to disk, but the checksum wouldn't match. Also WAL-log
* them if forced by wal_log_hints=on.
*/
#define XLogHintBitIsNeeded() (DataChecksumsNeedWrite() || wal_log_hints)
#define XLogHintBitIsNeeded() (DataChecksumsEnabled() || wal_log_hints)
/* Do we need to WAL-log information required only for Hot Standby and logical replication? */
#define XLogStandbyInfoActive() (wal_level >= WAL_LEVEL_REPLICA)
@@ -257,13 +257,7 @@ extern char *XLogFileNameP(TimeLineID tli, XLogSegNo segno);
extern void UpdateControlFile(void);
extern uint64 GetSystemIdentifier(void);
extern char *GetMockAuthenticationNonce(void);
extern bool DataChecksumsNeedWrite(void);
extern bool DataChecksumsNeedVerify(void);
extern bool DataChecksumsInProgress(void);
extern void SetDataChecksumsInProgress(void);
extern void SetDataChecksumsOn(void);
extern void SetDataChecksumsOff(void);
extern const char *show_data_checksums(void);
extern bool DataChecksumsEnabled(void);
extern XLogRecPtr GetFakeLSNForUnloggedRel(void);
extern Size XLOGShmemSize(void);
extern void XLOGShmemInit(void);