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Add a new option to RestoreBkpBlocks() to indicate if a cleanup lock should

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be used instead of the normal exclusive lock, and make WAL redo functions
responsible for calling RestoreBkpBlocks(). They know better what kind of a
lock they need.

At the moment, this just moves things around with no functional change, but
makes the hot standby patch that's under review cleaner.
This commit is contained in:
Heikki Linnakangas
2009-01-20 18:59:37 +00:00
parent b287f0a39e
commit b2a667b9ee
15 changed files with 95 additions and 36 deletions
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5
src/backend/commands/dbcommands.c
View File

@@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/dbcommands.c,v 1.217 2009/01/01 17:23:37 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/dbcommands.c,v 1.218 2009/01/20 18:59:37 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1941,6 +1941,9 @@ dbase_redo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
/* Backup blocks are not used in dbase records */
Assert(!(record->xl_info & XLR_BKP_BLOCK_MASK));
if (info == XLOG_DBASE_CREATE)
{
xl_dbase_create_rec *xlrec = (xl_dbase_create_rec *) XLogRecGetData(record);

5
src/backend/commands/sequence.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/sequence.c,v 1.156 2009/01/01 17:23:39 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/sequence.c,v 1.157 2009/01/20 18:59:37 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1339,6 +1339,9 @@ seq_redo(XLogRecPtr lsn, XLogRecord *record)
xl_seq_rec *xlrec = (xl_seq_rec *) XLogRecGetData(record);
sequence_magic *sm;
/* Backup blocks are not used in seq records */
Assert(!(record->xl_info & XLR_BKP_BLOCK_MASK));
if (info != XLOG_SEQ_LOG)
elog(PANIC, "seq_redo: unknown op code %u", info);

5
src/backend/commands/tablespace.c
View File

@@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.59 2009/01/01 17:23:40 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.60 2009/01/20 18:59:37 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1276,6 +1276,9 @@ tblspc_redo(XLogRecPtr lsn, XLogRecord *record)
{
uint8 info = record->xl_info & ~XLR_INFO_MASK;
/* Backup blocks are not used in tblspc records */
Assert(!(record->xl_info & XLR_BKP_BLOCK_MASK));
if (info == XLOG_TBLSPC_CREATE)
{
xl_tblspc_create_rec *xlrec = (xl_tblspc_create_rec *) XLogRecGetData(record);