From c30abf1e2bf7fd873ac5e31910dd99dbafaf85c7 Mon Sep 17 00:00:00 2001
From: johncming <johncming@yahoo.com>
Date: Sat, 15 Feb 2020 21:48:47 +0800
Subject: [PATCH] tsdb/wal: remove unused argument.

Signed-off-by: johncming <johncming@yahoo.com>
---
 tsdb/wal/wal.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tsdb/wal/wal.go b/tsdb/wal/wal.go
index 510326b88..bb57975ad 100644
--- a/tsdb/wal/wal.go
+++ b/tsdb/wal/wal.go
@@ -190,7 +190,7 @@ type walMetrics struct {
 	writesFailed    prometheus.Counter
 }
 
-func newWALMetrics(w *WAL, r prometheus.Registerer) *walMetrics {
+func newWALMetrics(r prometheus.Registerer) *walMetrics {
 	m := &walMetrics{}
 
 	m.fsyncDuration = prometheus.NewSummary(prometheus.SummaryOpts{
@@ -264,7 +264,7 @@ func NewSize(logger log.Logger, reg prometheus.Registerer, dir string, segmentSi
 		stopc:       make(chan chan struct{}),
 		compress:    compress,
 	}
-	w.metrics = newWALMetrics(w, reg)
+	w.metrics = newWALMetrics(reg)
 
 	_, last, err := w.Segments()
 	if err != nil {