diff options
Diffstat (limited to 'src/backend/access/transam/subtrans.c')
| -rw-r--r-- | src/backend/access/transam/subtrans.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/src/backend/access/transam/subtrans.c b/src/backend/access/transam/subtrans.c index 9b450350360..7671eb6a45e 100644 --- a/src/backend/access/transam/subtrans.c +++ b/src/backend/access/transam/subtrans.c @@ -22,7 +22,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/backend/access/transam/subtrans.c,v 1.10 2005/08/20 23:26:08 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/access/transam/subtrans.c,v 1.11 2005/10/15 02:49:09 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -234,9 +234,8 @@ StartupSUBTRANS(TransactionId oldestActiveXID) /* * Since we don't expect pg_subtrans to be valid across crashes, we * initialize the currently-active page(s) to zeroes during startup. - * Whenever we advance into a new page, ExtendSUBTRANS will likewise - * zero the new page without regard to whatever was previously on - * disk. + * Whenever we advance into a new page, ExtendSUBTRANS will likewise zero + * the new page without regard to whatever was previously on disk. */ LWLockAcquire(SubtransControlLock, LW_EXCLUSIVE); @@ -262,8 +261,8 @@ ShutdownSUBTRANS(void) /* * Flush dirty SUBTRANS pages to disk * - * This is not actually necessary from a correctness point of view. We do - * it merely as a debugging aid. + * This is not actually necessary from a correctness point of view. We do it + * merely as a debugging aid. */ SimpleLruFlush(SubTransCtl, false); } @@ -277,9 +276,9 @@ CheckPointSUBTRANS(void) /* * Flush dirty SUBTRANS pages to disk * - * This is not actually necessary from a correctness point of view. We do - * it merely to improve the odds that writing of dirty pages is done - * by the checkpoint process and not by backends. + * This is not actually necessary from a correctness point of view. We do it + * merely to improve the odds that writing of dirty pages is done by the + * checkpoint process and not by backends. */ SimpleLruFlush(SubTransCtl, true); } @@ -329,8 +328,8 @@ TruncateSUBTRANS(TransactionId oldestXact) int cutoffPage; /* - * The cutoff point is the start of the segment containing oldestXact. - * We pass the *page* containing oldestXact to SimpleLruTruncate. + * The cutoff point is the start of the segment containing oldestXact. We + * pass the *page* containing oldestXact to SimpleLruTruncate. */ cutoffPage = TransactionIdToPage(oldestXact); |