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path: root/src/backend/storage/freespace/freespace.c
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Diffstat (limited to 'src/backend/storage/freespace/freespace.c')
-rw-r--r--src/backend/storage/freespace/freespace.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/storage/freespace/freespace.c b/src/backend/storage/freespace/freespace.c
index d8a1bd3a62b..558c56f80d5 100644
--- a/src/backend/storage/freespace/freespace.c
+++ b/src/backend/storage/freespace/freespace.c
@@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.71 2009/01/01 17:23:47 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.72 2009/01/20 18:59:37 heikki Exp $
*
*
* NOTES:
@@ -212,6 +212,8 @@ XLogRecordPageWithFreeSpace(RelFileNode rnode, BlockNumber heapBlk,
/* If the page doesn't exist already, extend */
buf = XLogReadBufferExtended(rnode, FSM_FORKNUM, blkno, RBM_ZERO_ON_ERROR);
+ LockBuffer(buf, BUFFER_LOCK_EXCLUSIVE);
+
page = BufferGetPage(buf);
if (PageIsNew(page))
PageInit(page, BLCKSZ, 0);