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Commit5b8bd05

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Rename asyncCommitLSN to asyncXactLSN to reflect changed role in 9.0.
Transaction aborts now record their LSN to avoid corner casebehaviour in SR/HS, hence change of name of variables and functions.As pointed out by Fujii Masao. Cosmetic changes only.
1 parent478a2c1 commit5b8bd05

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3 files changed

+13
-13
lines changed

3 files changed

+13
-13
lines changed

‎src/backend/access/transam/xact.c‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -10,7 +10,7 @@
1010
*
1111
*
1212
* IDENTIFICATION
13-
* $PostgreSQL: pgsql/src/backend/access/transam/xact.c,v 1.294 2010/07/23 00:43:00 rhaas Exp $
13+
* $PostgreSQL: pgsql/src/backend/access/transam/xact.c,v 1.295 2010/07/29 22:27:27 sriggs Exp $
1414
*
1515
*-------------------------------------------------------------------------
1616
*/
@@ -1086,7 +1086,7 @@ RecordTransactionCommit(void)
10861086
* Report the latest async commit LSN, so that the WAL writer knows to
10871087
* flush this commit.
10881088
*/
1089-
XLogSetAsyncCommitLSN(XactLastRecEnd);
1089+
XLogSetAsyncXactLSN(XactLastRecEnd);
10901090

10911091
/*
10921092
* We must not immediately update the CLOG, since we didn't flush the
@@ -1384,7 +1384,7 @@ RecordTransactionAbort(bool isSubXact)
13841384
* problems occur at that point.
13851385
*/
13861386
if (!isSubXact)
1387-
XLogSetAsyncCommitLSN(XactLastRecEnd);
1387+
XLogSetAsyncXactLSN(XactLastRecEnd);
13881388

13891389
/*
13901390
* Mark the transaction aborted in clog. This is not absolutely necessary

‎src/backend/access/transam/xlog.c‎

Lines changed: 8 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
88
* Portions Copyright (c) 1994, Regents of the University of California
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*
10-
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.430 2010/07/06 19:18:55 momjian Exp $
10+
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.431 2010/07/29 22:27:27 sriggs Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -362,7 +362,7 @@ typedef struct XLogCtlData
362362
XLogwrtResultLogwrtResult;
363363
uint32ckptXidEpoch;/* nextXID & epoch of latest checkpoint */
364364
TransactionIdckptXid;
365-
XLogRecPtrasyncCommitLSN;/* LSN of newest async commit */
365+
XLogRecPtrasyncXactLSN;/* LSN of newest async commit/abort */
366366
uint32lastRemovedLog;/* latest removed/recycled XLOG segment */
367367
uint32lastRemovedSeg;
368368

@@ -1874,18 +1874,18 @@ XLogWrite(XLogwrtRqst WriteRqst, bool flexible, bool xlog_switch)
18741874
}
18751875

18761876
/*
1877-
* Record the LSN for an asynchronous transaction commit.
1878-
* (This should not be called foraborts, norfor synchronous commits.)
1877+
* Record the LSN for an asynchronous transaction commit/abort.
1878+
* (This should not be called for for synchronous commits.)
18791879
*/
18801880
void
1881-
XLogSetAsyncCommitLSN(XLogRecPtrasyncCommitLSN)
1881+
XLogSetAsyncXactLSN(XLogRecPtrasyncXactLSN)
18821882
{
18831883
/* use volatile pointer to prevent code rearrangement */
18841884
volatileXLogCtlData*xlogctl=XLogCtl;
18851885

18861886
SpinLockAcquire(&xlogctl->info_lck);
1887-
if (XLByteLT(xlogctl->asyncCommitLSN,asyncCommitLSN))
1888-
xlogctl->asyncCommitLSN=asyncCommitLSN;
1887+
if (XLByteLT(xlogctl->asyncXactLSN,asyncXactLSN))
1888+
xlogctl->asyncXactLSN=asyncXactLSN;
18891889
SpinLockRelease(&xlogctl->info_lck);
18901890
}
18911891

@@ -2134,7 +2134,7 @@ XLogBackgroundFlush(void)
21342134
volatileXLogCtlData*xlogctl=XLogCtl;
21352135

21362136
SpinLockAcquire(&xlogctl->info_lck);
2137-
WriteRqstPtr=xlogctl->asyncCommitLSN;
2137+
WriteRqstPtr=xlogctl->asyncXactLSN;
21382138
SpinLockRelease(&xlogctl->info_lck);
21392139
flexible= false;/* ensure it all gets written */
21402140
}

‎src/include/access/xlog.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@
66
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
77
* Portions Copyright (c) 1994, Regents of the University of California
88
*
9-
* $PostgreSQL: pgsql/src/include/access/xlog.h,v 1.114 2010/07/03 20:43:58 tgl Exp $
9+
* $PostgreSQL: pgsql/src/include/access/xlog.h,v 1.115 2010/07/29 22:27:27 sriggs Exp $
1010
*/
1111
#ifndefXLOG_H
1212
#defineXLOG_H
@@ -271,7 +271,7 @@ extern intXLogFileOpen(uint32 log, uint32 seg);
271271

272272

273273
externvoidXLogGetLastRemoved(uint32*log,uint32*seg);
274-
externvoidXLogSetAsyncCommitLSN(XLogRecPtrrecord);
274+
externvoidXLogSetAsyncXactLSN(XLogRecPtrrecord);
275275

276276
externvoidRestoreBkpBlocks(XLogRecPtrlsn,XLogRecord*record,boolcleanup);
277277

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