From 5441f2a20e6cc2d6da51481b6af9775b785e20eb Mon Sep 17 00:00:00 2001
From: likun <lkxjtu@163.com>
Date: Thu, 14 Aug 2025 10:31:57 -0400
Subject: [PATCH] fix iolimit inaccurate computing device major and minor
 number

---
 pkg/services/iolimit/iolimit.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkg/services/iolimit/iolimit.go b/pkg/services/iolimit/iolimit.go
index 131ebda..1066055 100644
--- a/pkg/services/iolimit/iolimit.go
+++ b/pkg/services/iolimit/iolimit.go
@@ -23,6 +23,7 @@ import (
 	"strings"
 	"syscall"
 
+	"golang.org/x/sys/unix"
 	"isula.org/rubik/pkg/api"
 	"isula.org/rubik/pkg/common/constant"
 	"isula.org/rubik/pkg/common/log"
@@ -350,8 +351,8 @@ func convertToMajorMinorImpl(deviceName string) (string, error) {
 		if stat.Mode()&os.ModeDevice != 0 {
 			sys := stat.Sys()
 			if sysstat, ok := sys.(*syscall.Stat_t); ok {
-				major := (sysstat.Rdev >> 8) & 0xff
-				minor := sysstat.Rdev & 0xff
+				major := unix.Major(sysstat.Rdev)
+				minor := unix.Minor(sysstat.Rdev)
 				return fmt.Sprintf("%d:%d", major, minor), nil
 			}
 		}
-- 
Gitee