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https://github.com/cubefs/cubefs.git
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2e24163a51
Signed-off-by: gukaifeng <gukaifeng@xiaomi.com> Signed-off-by: slasher <shenjie1@oppo.com>
36 lines
1.0 KiB
Go
36 lines
1.0 KiB
Go
// Copyright 2024 The CubeFS Authors.
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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
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package fileutil
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import (
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"io/fs"
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"os"
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)
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// WriteFileWithSync implements os.WriteFile() with fsync.
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func WriteFileWithSync(filename string, data []byte, perm fs.FileMode) error {
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file, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm)
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if err != nil {
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return err
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}
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if _, err = file.Write(data); err == nil {
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err = file.Sync()
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}
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if err1 := file.Close(); err1 != nil && err == nil {
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err = err1
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}
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return err
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}
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