From: Tatsuo Ishii <ishii@postgresql.org>
Date: Mon, 31 Jul 2017 23:00:11 +0000 (+0900)
Subject: Fix comment.
X-Git-Tag: REL9_3_18~11
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bf19a6fe32840bbb56c10a370df38a56666994cb;p=postgresql

Fix comment.

XLByteToSeg and XLByteToPrevSeg calculate only a segment number.  The
definition of these macros were modified by commit
dfda6ebaec6763090fb78b458a979b558c50b39b but the comment remain
unchanged.

Patch by Yugo Nagata. Back patched to 9.3 and beyond.
---

diff --git a/src/include/access/xlog_internal.h b/src/include/access/xlog_internal.h
index 030ffca593..1850dc94b7 100644
--- a/src/include/access/xlog_internal.h
+++ b/src/include/access/xlog_internal.h
@@ -120,7 +120,7 @@ typedef XLogLongPageHeaderData *XLogLongPageHeader;
 		(dest) = (segno) * XLOG_SEG_SIZE + (offset)
 
 /*
- * Compute ID and segment from an XLogRecPtr.
+ * Compute a segment number from an XLogRecPtr.
  *
  * For XLByteToSeg, do the computation at face value.  For XLByteToPrevSeg,
  * a boundary byte is taken to be in the previous segment.  This is suitable