mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-11-25 03:29:10 +08:00
35 lines
860 B
Go
35 lines
860 B
Go
// +build windows
|
|
|
|
package storage
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/joeslay/seaweedfs/weed/storage/memory_map"
|
|
"golang.org/x/sys/windows"
|
|
|
|
"github.com/joeslay/seaweedfs/weed/glog"
|
|
"github.com/joeslay/seaweedfs/weed/os_overloads"
|
|
)
|
|
|
|
func createVolumeFile(fileName string, preallocate int64, useMemoryMap uint32) (*os.File, error) {
|
|
|
|
mMap, exists := memory_map.FileMemoryMap[fileName]
|
|
if !exists {
|
|
file, e := os_overloads.OpenFile(fileName, windows.O_RDWR|windows.O_CREAT, 0644, useMemoryMap > 0)
|
|
if useMemoryMap > 0 {
|
|
memory_map.FileMemoryMap[fileName] = new(memory_map.MemoryMap)
|
|
|
|
new_mMap := memory_map.FileMemoryMap[fileName]
|
|
new_mMap.CreateMemoryMap(file, 1024*1024*1024*2)
|
|
}
|
|
|
|
if preallocate > 0 {
|
|
glog.V(0).Infof("Preallocated disk space for %s is not supported", fileName)
|
|
}
|
|
return file, e
|
|
} else {
|
|
return mMap.File, nil
|
|
}
|
|
}
|