mirror of
				https://github.com/minio/minio.git
				synced 2025-11-04 10:11:09 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			59 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
//go:build !windows
 | 
						|
// +build !windows
 | 
						|
 | 
						|
// Copyright (c) 2015-2021 MinIO, Inc.
 | 
						|
//
 | 
						|
// This file is part of MinIO Object Storage stack
 | 
						|
//
 | 
						|
// This program is free software: you can redistribute it and/or modify
 | 
						|
// it under the terms of the GNU Affero General Public License as published by
 | 
						|
// the Free Software Foundation, either version 3 of the License, or
 | 
						|
// (at your option) any later version.
 | 
						|
//
 | 
						|
// This program is distributed in the hope that it will be useful
 | 
						|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
// GNU Affero General Public License for more details.
 | 
						|
//
 | 
						|
// You should have received a copy of the GNU Affero General Public License
 | 
						|
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 | 
						|
 | 
						|
package cmd
 | 
						|
 | 
						|
import (
 | 
						|
	"errors"
 | 
						|
	"io"
 | 
						|
	"io/ioutil"
 | 
						|
	"os"
 | 
						|
	"time"
 | 
						|
 | 
						|
	"github.com/djherbis/atime"
 | 
						|
)
 | 
						|
 | 
						|
// Return error if Atime is disabled on the O/S
 | 
						|
func checkAtimeSupport(dir string) (err error) {
 | 
						|
	file, err := ioutil.TempFile(dir, "prefix")
 | 
						|
	if err != nil {
 | 
						|
		return
 | 
						|
	}
 | 
						|
	defer os.Remove(file.Name())
 | 
						|
	defer file.Close()
 | 
						|
	finfo1, err := os.Stat(file.Name())
 | 
						|
	if err != nil {
 | 
						|
		return
 | 
						|
	}
 | 
						|
	// add a sleep to ensure atime change is detected
 | 
						|
	time.Sleep(10 * time.Millisecond)
 | 
						|
 | 
						|
	if _, err = io.Copy(ioutil.Discard, file); err != nil {
 | 
						|
		return
 | 
						|
	}
 | 
						|
 | 
						|
	finfo2, err := os.Stat(file.Name())
 | 
						|
 | 
						|
	if atime.Get(finfo2).Equal(atime.Get(finfo1)) {
 | 
						|
		return errors.New("Atime not supported")
 | 
						|
	}
 | 
						|
	return
 | 
						|
}
 |