From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Thu, 9 Jun 2011 09:10:14 +0000 (+0300)
Subject: Mark the SLRU page as dirty when setting an entry in pg_serial. In the
X-Git-Tag: REL9_1_BETA2~12
X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=5234161ac10350e009874e4872935a6133d8f0fc;p=postgresql.git

Mark the SLRU page as dirty when setting an entry in pg_serial. In the
passing, fix an incorrect comment.
---

diff --git a/src/backend/storage/lmgr/predicate.c b/src/backend/storage/lmgr/predicate.c
index 28da729b6dd..7fa649997d7 100644
--- a/src/backend/storage/lmgr/predicate.c
+++ b/src/backend/storage/lmgr/predicate.c
@@ -729,7 +729,7 @@ OldSerXidInit(void)
 /*
  * Record a committed read write serializable xid and the minimum
  * commitSeqNo of any transactions to which this xid had a rw-conflict out.
- * A zero seqNo means that there were no conflicts out from xid.
+ * An invalid seqNo means that there were no conflicts out from xid.
  */
 static void
 OldSerXidAdd(TransactionId xid, SerCommitSeqNo minConflictCommitSeqNo)
@@ -807,6 +807,7 @@ OldSerXidAdd(TransactionId xid, SerCommitSeqNo minConflictCommitSeqNo)
 		slotno = SimpleLruReadPage(OldSerXidSlruCtl, targetPage, true, xid);
 
 	OldSerXidValue(slotno, xid) = minConflictCommitSeqNo;
+	OldSerXidSlruCtl->shared->page_dirty[slotno] = true;
 
 	LWLockRelease(OldSerXidLock);
 }