From 72f9f1e9c003a9758ced9ad8da9f772367e41652 Mon Sep 17 00:00:00 2001
From: Roberto Ricci <io@r-ricci.it>
Date: Fri, 18 Aug 2023 23:56:40 +0200
Subject: [PATCH] vfs: make sure struct field is aligned for atomic access

---
 vfs/vfscache/writeback/writeback.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/vfs/vfscache/writeback/writeback.go b/vfs/vfscache/writeback/writeback.go
index b4ab6d39a..8290dd245 100644
--- a/vfs/vfscache/writeback/writeback.go
+++ b/vfs/vfscache/writeback/writeback.go
@@ -26,6 +26,9 @@ type Handle uint64
 
 // WriteBack keeps track of the items which need to be written back to the disk at some point
 type WriteBack struct {
+	// read and written with atomic, must be 64-bit aligned
+	id Handle // id of the last writeBackItem created
+
 	ctx     context.Context
 	mu      sync.Mutex
 	items   writeBackItems            // priority queue of *writeBackItem - writeBackItems are in here while awaiting transfer only
@@ -34,9 +37,6 @@ type WriteBack struct {
 	timer   *time.Timer               // next scheduled time for the uploader
 	expiry  time.Time                 // time the next item expires or IsZero
 	uploads int                       // number of uploads in progress
-
-	// read and written with atomic
-	id Handle // id of the last writeBackItem created
 }
 
 // New make a new WriteBack