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19 lines
438 B
19 lines
438 B
// +build linux
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package storage
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import (
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"os"
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"syscall"
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"github.com/chrislusf/seaweedfs/weed/glog"
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)
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func createVolumeFile(fileName string, preallocate int64) (file *os.File, e error) {
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file, e = os.OpenFile(fileName, os.O_RDWR|os.O_CREATE, 0644)
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if preallocate != 0 {
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syscall.Fallocate(int(file.Fd()), 1, 0, preallocate)
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glog.V(0).Infof("Preallocated %d bytes disk space for %s", preallocate, fileName)
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}
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return file, e
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}
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