From e1926aa91e316594926218187386da3077b8da88 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Sat, 7 Jan 2006 22:45:53 +0000 Subject: [PATCH] Add RelationOpenSmgr() calls to ensure rd_smgr is valid when we try to use it. While it normally has been opened earlier during btree index build, testing shows that it's possible for the link to be closed again if an sinval reset occurs while the index is being built. --- src/backend/access/nbtree/nbtsort.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/backend/access/nbtree/nbtsort.c b/src/backend/access/nbtree/nbtsort.c index 8bfa8130a2..d18ecbce57 100644 --- a/src/backend/access/nbtree/nbtsort.c +++ b/src/backend/access/nbtree/nbtsort.c @@ -56,7 +56,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/nbtree/nbtsort.c,v 1.95.2.1 2005/11/22 18:23:04 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/access/nbtree/nbtsort.c,v 1.95.2.2 2006/01/07 22:45:53 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -271,6 +271,9 @@ _bt_blnewpage(uint32 level) static void _bt_blwritepage(BTWriteState *wstate, Page page, BlockNumber blkno) { + /* Ensure rd_smgr is open (could have been closed by relcache flush!) */ + RelationOpenSmgr(wstate->index); + /* XLOG stuff */ if (wstate->btws_use_wal) { @@ -818,5 +821,8 @@ _bt_load(BTWriteState *wstate, BTSpool *btspool, BTSpool *btspool2) * occurs. */ if (!wstate->index->rd_istemp) + { + RelationOpenSmgr(wstate->index); smgrimmedsync(wstate->index->rd_smgr); + } } -- 2.50.1