You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
19 lines
467 B
19 lines
467 B
// +build linux
|
|
|
|
package storage
|
|
|
|
import (
|
|
"os"
|
|
"syscall"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
)
|
|
|
|
func createVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (*os.File, error) {
|
|
file, e := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
|
|
if preallocate != 0 {
|
|
syscall.Fallocate(int(file.Fd()), 1, 0, preallocate)
|
|
glog.V(0).Infof("Preallocated %d bytes disk space for %s", preallocate, fileName)
|
|
}
|
|
return file, e
|
|
}
|