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30 lines
745 B
30 lines
745 B
// +build windows
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package storage
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import (
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"os"
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"github.com/joeslay/seaweedfs/weed/storage/memory_map"
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"golang.org/x/sys/windows"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/joeslay/seaweedfs/weed/os_overloads"
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)
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func createVolumeFile(fileName string, preallocate int64) (*os.File, error) {
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mem_map, exists := memory_map.FileMemoryMap[fileName]
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if !exists {
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file, e := os_overloads.OpenFile(fileName, windows.O_RDWR|windows.O_CREAT, 0644, true)
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new_mem_map := memory_map.CreateMemoryMap(file, 2^32)
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memory_map.FileMemoryMap[fileName] = new_mem_map
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if preallocate > 0 {
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glog.V(0).Infof("Preallocated disk space for %s is not supported", fileName)
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}
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return file, e
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} else {
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return mem_map.File, nil
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}
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}
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