github.com/cloud-foundations/dominator@v0.0.0-20221004181915-6e4fee580046/lib/fsutil/fallocate.go (about) 1 package fsutil 2 3 import ( 4 "syscall" 5 6 "github.com/Cloud-Foundations/Dominator/lib/wsyscall" 7 ) 8 9 func fallocate(filename string, size uint64) error { 10 fd, err := syscall.Open(filename, syscall.O_RDWR, 0) 11 if err != nil { 12 return err 13 } 14 defer syscall.Close(fd) 15 return wsyscall.Fallocate(fd, 0, 0, int64(size)) 16 }