Method Write

cluster/ct.go:164–177

Save CT to local drives. If workFQN is set, it saves in two steps: first, save to workFQN; second, rename workFQN to ct.FQN. If unset, it writes directly to ct.FQN

(t Target, reader io.Reader, size int64, workFQN ...string)

// save to workFQN; second, rename workFQN to ct.FQN. If unset, it writes
// directly to ct.FQN
func (ct *CT) Write(t Target, reader io.Reader, size int64, workFQN ...string) (err error) {
	bdir := ct.mpathInfo.MakePathBck(ct.Bucket())
	if err := cos.Stat(bdir); err != nil {
		return err
	}
	buf, slab := t.PageMM().Alloc()
	if len(workFQN) == 0 {
		_, err = cos.SaveReader(ct.fqn, reader, buf, cos.ChecksumNone, size, "")
	} else {
		_, err = cos.SaveReaderSafe(workFQN[0], ct.fqn, reader, buf, cos.ChecksumNone, size, "")
	}
	slab.Free(buf)
	return err
}