seaweedfs/weed/storage/volume_create_windows.go

29 lines
888 B
Go

// +build windows
package storage
import (
"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map"
"golang.org/x/sys/windows"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage/backend"
"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map/os_overloads"
)
func createVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (backend.DataStorageBackend, error) {
if preallocate > 0 {
glog.V(0).Infof("Preallocated disk space for %s is not supported", fileName)
}
if memoryMapSizeMB > 0 {
file, e := os_overloads.OpenFile(fileName, windows.O_RDWR|windows.O_CREAT, 0644, true)
return memory_map.NewMemoryMappedFile(file, memoryMapSizeMB), e
} else {
file, e := os_overloads.OpenFile(fileName, windows.O_RDWR|windows.O_CREAT|windows.O_TRUNC, 0644, false)
return backend.NewDiskFile(file), e
}
}