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61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
// +build windows
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/*
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* MinIO Object Storage (c) 2021 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"errors"
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"io/ioutil"
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"os"
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"github.com/djherbis/atime"
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"golang.org/x/sys/windows/registry"
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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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atime.Get(finfo1)
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k, err := registry.OpenKey(registry.LOCAL_MACHINE, `SYSTEM\CurrentControlSet\Control\FileSystem`, registry.QUERY_VALUE)
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if err != nil {
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return
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}
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defer k.Close()
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setting, _, err := k.GetIntegerValue("NtfsDisableLastAccessUpdate")
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if err != nil {
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return
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}
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lowSetting := setting & 0xFFFF
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if lowSetting != uint64(0x0000) && lowSetting != uint64(0x0002) {
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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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