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