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  1. // +build !linux, !windows
  2. package storage
  3. import (
  4. "os"
  5. "github.com/joeslay/seaweedfs/weed/glog"
  6. )
  7. func createVolumeFile(fileName string, preallocate int64) (file *os.File, e error) {
  8. file, e = os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
  9. if preallocate > 0 {
  10. glog.V(0).Infof("Preallocated disk space for %s is not supported", fileName)
  11. }
  12. return file, e
  13. }