volume_create.go 494 B

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  1. //go:build !linux && !windows
  2. // +build !linux,!windows
  3. package backend
  4. import (
  5. "os"
  6. "github.com/seaweedfs/seaweedfs/weed/glog"
  7. )
  8. func CreateVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (BackendStorageFile, error) {
  9. file, e := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
  10. if e != nil {
  11. return nil, e
  12. }
  13. if preallocate > 0 {
  14. glog.V(2).Infof("Preallocated disk space for %s is not supported", fileName)
  15. }
  16. return NewDiskFile(file), nil
  17. }