Fix thinko in comment.

hlinnaka · hlinnaka · commit e1d1d8099300 · 2013-05-02T18:11:28.000+03:00
WAL segment means a 16 MB physical WAL file; this comment meant a logical
4 GB log file.

Amit Langote. Apply to backbranches only, as the comment is gone in master.
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
@@ -3777,7 +3777,7 @@ ReadRecord(XLogRecPtr *RecPtr, int emode, bool fetching_ckpt)
 		if (XLOG_BLCKSZ - (RecPtr->xrecoff % XLOG_BLCKSZ) < SizeOfXLogRecord)
 			NextLogPage(*RecPtr);
 
-		/* Check for crossing of xlog segment boundary */
+		/* Check for crossing of xlog logid boundary */
 		if (RecPtr->xrecoff >= XLogFileSize)
 		{
 			(RecPtr->xlogid)++;

Original file line number	Diff line number	Diff line change
`@@ -3777,7 +3777,7 @@ ReadRecord(XLogRecPtr *RecPtr, int emode, bool fetching_ckpt)`
`3777`	`3777`	`if (XLOG_BLCKSZ - (RecPtr->xrecoff % XLOG_BLCKSZ) < SizeOfXLogRecord)`
`3778`	`3778`	`NextLogPage(*RecPtr);`
`3779`	`3779`
`3780`		`- /* Check for crossing of xlog segment boundary */`
	`3780`	`+ /* Check for crossing of xlog logid boundary */`
`3781`	`3781`	`if (RecPtr->xrecoff >= XLogFileSize)`
`3782`	`3782`	`{`
`3783`	`3783`	`(RecPtr->xlogid)++;`