//go:build linux
// +build linux

// Copyright 2019 the Go-FUSE Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package fs

import (
	"syscall"

	"golang.org/x/sys/unix"
)

const unix_UTIME_OMIT = unix.UTIME_OMIT

func doCopyFileRange(fdIn int, offIn int64, fdOut int, offOut int64,
	len int, flags int) (uint32, syscall.Errno) {
	count, err := unix.CopyFileRange(fdIn, &offIn, fdOut, &offOut, len, flags)
	return uint32(count), ToErrno(err)
}

func intDev(dev uint32) int {
	return int(dev)
}