Clean up representation of SLRU page state. This is the cleaner fix

for the SLRU race condition that I posted a few days ago, but we decided
not to use in 8.1 and older branches.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/backend/access/transam/subtrans.c b/src/backend/access/transam/subtrans.c
index 7671eb6a45e..319b17d9458 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 1.11 2005/10/15 02:49:09 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/access/transam/subtrans.c,v 1.12 2005/11/05 21:19:47 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -86,7 +86,7 @@ SubTransSetParent(TransactionId xid, TransactionId parent)
 
 	*ptr = parent;
 
-	SubTransCtl->shared->page_status[slotno] = SLRU_PAGE_DIRTY;
+	SubTransCtl->shared->page_dirty[slotno] = true;
 
 	LWLockRelease(SubtransControlLock);
 }
@@ -199,7 +199,7 @@ BootStrapSUBTRANS(void)
 
 	/* Make sure it's written out */
 	SimpleLruWritePage(SubTransCtl, slotno, NULL);
-	Assert(SubTransCtl->shared->page_status[slotno] == SLRU_PAGE_CLEAN);
+	Assert(!SubTransCtl->shared->page_dirty[slotno]);
 
 	LWLockRelease(SubtransControlLock);
 }