Fix one-off error when waiting for necessary segment to be archived

Michael Paquier · Michael Paquier · commit a5a76c14c59d · 2016-01-15T13:37:20.000+09:00
The .ready flag file of the segment forcibly switched to when stopping the
backup needs to be tracked, and not the next one.
diff --git a/backup.c b/backup.c
@@ -634,7 +634,7 @@ wait_for_archive(pgBackup *backup, const char *sql)
 
 	/* As well as WAL file name */
 	XLByteToSeg(lsn, targetSegNo);
-	XLogFileName(file_name, tli, targetSegNo + 1);
+	XLogFileName(file_name, tli, targetSegNo);
 
 	snprintf(ready_path, lengthof(ready_path),
 		"%s/pg_xlog/archive_status/%s.ready", pgdata,
