seaweedfs/weed/storage/backend/volume_create.go

22 lines
494 B
Go

//go:build !linux && !windows
// +build !linux,!windows
package backend
import (
"os"
"github.com/seaweedfs/seaweedfs/weed/glog"
)
func CreateVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (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(2).Infof("Preallocated disk space for %s is not supported", fileName)
}
return NewDiskFile(file), nil
}