From c1760fb764193db05a25763f22097daaeae995aa Mon Sep 17 00:00:00 2001
From: Klaus Post <klauspost@gmail.com>
Date: Thu, 17 Mar 2022 10:57:52 -0700
Subject: [PATCH] Move apiCalls to front for field alignment (#14568)

Fixes #14565
---
 cmd/xl-storage-disk-id-check.go | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/cmd/xl-storage-disk-id-check.go b/cmd/xl-storage-disk-id-check.go
index 66b13c670..ab9e9c1a5 100644
--- a/cmd/xl-storage-disk-id-check.go
+++ b/cmd/xl-storage-disk-id-check.go
@@ -71,14 +71,11 @@ const (
 
 // Detects change in underlying disk.
 type xlStorageDiskIDCheck struct {
-	// fields position optimized for memory please
-	// do not re-order them, if you add new fields
-	// please use `fieldalignment ./...` to check
-	// if your changes are not causing any problems.
-	storage      *xlStorage
+	// apiCalls should be placed first so alignment is guaranteed for atomic operations.
+	apiCalls     [storageMetricLast]uint64
 	apiLatencies [storageMetricLast]*lockedLastMinuteLatency
 	diskID       string
-	apiCalls     [storageMetricLast]uint64
+	storage      *xlStorage
 	health       *diskHealthTracker
 }