seaweedfs/weed/storage/volume_create.go

22 lines
535 B
Go

// +build !linux,!windows
package storage
import (
"os"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
)
func createVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (backend.BackendStorageFile, error) {
file, e := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
if e != nil {
return nil, e
}
if preallocate > 0 {
glog.V(0).Infof("Preallocated disk space for %s is not supported", fileName)
}
return backend.NewDiskFile(file), nil
}