From 3d441d7f584182dfbc76c14591fe0c045679b66a Mon Sep 17 00:00:00 2001
From: Antonin Houska <ah@cybertec.at>
Date: Tue, 9 Jul 2019 11:54:15 +0200
Subject: [PATCH 1/5] Make XLogReaderInvalReadState static.

This change is not necessary for the XLogRead() refactoring itself, but I
noticed the problem while working on it. Not sure it's worth a separate CF
entry.
---
 src/backend/access/transam/xlogreader.c | 4 ++--
 src/include/access/xlogreader.h         | 4 ----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/backend/access/transam/xlogreader.c b/src/backend/access/transam/xlogreader.c
index 41dae916b4..08bc9695c1 100644
--- a/src/backend/access/transam/xlogreader.c
+++ b/src/backend/access/transam/xlogreader.c
@@ -35,10 +35,10 @@ static bool ValidXLogRecordHeader(XLogReaderState *state, XLogRecPtr RecPtr,
 								  XLogRecPtr PrevRecPtr, XLogRecord *record, bool randAccess);
 static bool ValidXLogRecord(XLogReaderState *state, XLogRecord *record,
 							XLogRecPtr recptr);
+static void XLogReaderInvalReadState(XLogReaderState *state);
 static int	ReadPageInternal(XLogReaderState *state, XLogRecPtr pageptr,
 							 int reqLen);
 static void report_invalid_record(XLogReaderState *state, const char *fmt,...) pg_attribute_printf(2, 3);
-
 static void ResetDecoder(XLogReaderState *state);
 
 /* size of the buffer allocated for error message. */
@@ -620,7 +620,7 @@ err:
 /*
  * Invalidate the xlogreader's read state to force a re-read.
  */
-void
+static void
 XLogReaderInvalReadState(XLogReaderState *state)
 {
 	state->readSegNo = 0;
diff --git a/src/include/access/xlogreader.h b/src/include/access/xlogreader.h
index 04228e2a87..a3d3cc1e7b 100644
--- a/src/include/access/xlogreader.h
+++ b/src/include/access/xlogreader.h
@@ -212,13 +212,9 @@ extern struct XLogRecord *XLogReadRecord(XLogReaderState *state,
 extern bool XLogReaderValidatePageHeader(XLogReaderState *state,
 										 XLogRecPtr recptr, char *phdr);
 
-/* Invalidate read state */
-extern void XLogReaderInvalReadState(XLogReaderState *state);
-
 #ifdef FRONTEND
 extern XLogRecPtr XLogFindNextRecord(XLogReaderState *state, XLogRecPtr RecPtr);
 #endif							/* FRONTEND */
-
 /* Functions for decoding an XLogRecord */
 
 extern bool DecodeXLogRecord(XLogReaderState *state, XLogRecord *record,
-- 
2.16.4

