From ffdf7a3a6e992470d2da95ddcdf7b995216e49fc Mon Sep 17 00:00:00 2001
From: Zexi Li <zexi.li@icloud.com>
Date: Tue, 3 Jun 2025 13:39:30 +0800
Subject: [PATCH] fix(host): losetup package initialization order (#22652)

---
 pkg/hostman/host_services.go        |  2 ++
 pkg/util/losetup/manager/manager.go | 16 +++++++++++++---
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/pkg/hostman/host_services.go b/pkg/hostman/host_services.go
index 0d35881f5f..b46663e078 100644
--- a/pkg/hostman/host_services.go
+++ b/pkg/hostman/host_services.go
@@ -38,6 +38,7 @@ import (
 	"yunion.io/x/onecloud/pkg/hostman/storageman"
 	"yunion.io/x/onecloud/pkg/hostman/storageman/diskhandlers"
 	"yunion.io/x/onecloud/pkg/hostman/storageman/storagehandler"
+	losetupman "yunion.io/x/onecloud/pkg/util/losetup/manager"
 	"yunion.io/x/onecloud/pkg/util/procutils"
 	"yunion.io/x/onecloud/pkg/util/sysutils"
 )
@@ -67,6 +68,7 @@ func (host *SHostService) InitService() {
 		execlient.SetTimeoutSeconds(options.HostOptions.ExecutorConnectTimeoutSeconds)
 		procutils.SetRemoteExecutor()
 	}
+	losetupman.Init()
 }
 
 func (host *SHostService) OnExitService() {}
diff --git a/pkg/util/losetup/manager/manager.go b/pkg/util/losetup/manager/manager.go
index 536cbd8f4c..66ee31950b 100644
--- a/pkg/util/losetup/manager/manager.go
+++ b/pkg/util/losetup/manager/manager.go
@@ -15,6 +15,8 @@
 package manager
 
 import (
+	"sync"
+
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
 	"yunion.io/x/pkg/errors"
@@ -22,10 +24,18 @@ import (
 	"yunion.io/x/onecloud/pkg/util/losetup"
 )
 
-var managerObj iManager
+var (
+	managerObj      iManager
+	managerInitLock sync.Mutex
+)
 
-func init() {
-	managerObj = newManager()
+func Init() {
+	managerInitLock.Lock()
+	defer managerInitLock.Unlock()
+
+	if managerObj == nil {
+		managerObj = newManager()
+	}
 }
 
 func ListDevices() (*losetup.Devices, error) {