Removed unused variable, openLogOff.

Antonin Houska

Discussion: http://postgr.es/m/30413.1551870730@localhost

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index ecd12fc53ae3e6b519676d6e20ccf5a111b04d26..0fdd82a287f4f6111ec0339b6f870f3124b66ff8 100644 (file)
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -771,13 +771,11 @@ static const char *xlogSourceNames[] = {"any", "archive", "pg_wal", "stream"};
 
 /*
  * openLogFile is -1 or a kernel FD for an open log file segment.
- * When it's open, openLogOff is the current seek offset in the file.
- * openLogSegNo identifies the segment.  These variables are only
- * used to write the XLOG, and so will normally refer to the active segment.
+ * openLogSegNo identifies the segment.  These variables are only used to
+ * write the XLOG, and so will normally refer to the active segment.
  */
 static int     openLogFile = -1;
 static XLogSegNo openLogSegNo = 0;
-static uint32 openLogOff = 0;
 
 /*
  * These variables are used similarly to the ones above, but for reading
@@ -2447,7 +2445,6 @@ XLogWrite(XLogwrtRqst WriteRqst, bool flexible)
                        /* create/use new log file */
                        use_existent = true;
                        openLogFile = XLogFileInit(openLogSegNo, &use_existent, true);
-                       openLogOff = 0;
                }
 
                /* Make sure we have the current logfile open */
@@ -2456,7 +2453,6 @@ XLogWrite(XLogwrtRqst WriteRqst, bool flexible)
                        XLByteToPrevSeg(LogwrtResult.Write, openLogSegNo,
                                                        wal_segment_size);
                        openLogFile = XLogFileOpen(openLogSegNo);
-                       openLogOff = 0;
                }
 
                /* Add current page to the set of pending pages-to-dump */
@@ -2508,15 +2504,13 @@ XLogWrite(XLogwrtRqst WriteRqst, bool flexible)
                                                         errmsg("could not write to log file %s "
                                                                        "at offset %u, length %zu: %m",
                                                                        XLogFileNameP(ThisTimeLineID, openLogSegNo),
-                                                                       openLogOff, nbytes)));
+                                                                       startoffset, nbytes)));
                                }
                                nleft -= written;
                                from += written;
                                startoffset += written;
                        } while (nleft > 0);
 
-                       /* Update state for write */
-                       openLogOff += nbytes;
                        npages = 0;
 
                        /*
@@ -2602,7 +2596,6 @@ XLogWrite(XLogwrtRqst WriteRqst, bool flexible)
                                XLByteToPrevSeg(LogwrtResult.Write, openLogSegNo,
                                                                wal_segment_size);
                                openLogFile = XLogFileOpen(openLogSegNo);
-                               openLogOff = 0;
                        }
 
                        issue_xlog_fsync(openLogFile, openLogSegNo);