mirror of
https://github.com/restic/restic.git
synced 2024-12-27 02:08:37 +00:00
16 lines
306 B
Go
16 lines
306 B
Go
package restorer
|
|
|
|
import (
|
|
"os"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func preallocateFile(wr *os.File, size int64) error {
|
|
if size <= 0 {
|
|
return nil
|
|
}
|
|
// int fallocate(int fd, int mode, off_t offset, off_t len)
|
|
// use mode = 0 to also change the file size
|
|
return unix.Fallocate(int(wr.Fd()), 0, 0, size)
|
|
}
|