func connectNBD(srv *torus.Server, f *block.BlockFile, target string, closer chan bool) error {
defer f.Close()
size := f.Size()
gmd := srv.MDS.GlobalMetadata()
handle := nbd.Create(f, int64(size), int64(gmd.BlockSize))
if target == "" {
t, err := nbd.FindDevice()
if err != nil {
return err
}
target = t
}
_, err := handle.OpenDevice(target)
if err != nil {
return err
}
go func(n *nbd.NBD) {
<-closer
n.Disconnect()
}(handle)
err = handle.Serve()
if err != nil {
return fmt.Errorf("error from nbd server: %s", err)
}
return nil
}
func connectNBD(srv *torus.Server, f *block.BlockFile, target string, closer chan bool) error {
defer f.Close()
size := f.Size()
gmd, err := srv.MDS.GlobalMetadata()
if err != nil {
return err
}
handle := nbd.Create(f, int64(size), int64(gmd.BlockSize))
if target == "" {
target, err = nbd.FindDevice()
if err != nil {
fmt.Println(err)
return err
}
}
dev, err := handle.OpenDevice(target)
if err != nil {
fmt.Println(err)
return err
}
fmt.Println("Connected to", dev)
go func(n *nbd.NBD) {
<-closer
n.Disconnect()
}(handle)
err = handle.Serve()
if err != nil {
fmt.Fprintf(os.Stderr, "error from nbd server: %s\n", err)
os.Exit(1)
}
return handle.Close()
}