vendor/github.com/tonistiigi/fsutil/diskwriter_linux.go

// +build linux

package fsutil

import (
	"github.com/pkg/errors"
	"golang.org/x/sys/unix"
)

func chtimes(path string, un int64) error {
	var utimes [2]unix.Timespec
	utimes[0] = unix.NsecToTimespec(un)
	utimes[1] = utimes[0]

	if err := unix.UtimesNanoAt(unix.AT_FDCWD, path, utimes[0:], unix.AT_SYMLINK_NOFOLLOW); err != nil {
		return errors.Wrap(err, "failed call to UtimesNanoAt")
	}

	return nil
}