Re: [Qemu-devel] [PATCH v2 10/10] nbd: Minimal structured read for client

[Paolo Bonzini]

On 10/10/2017 16:55, Vladimir Sementsov-Ogievskiy wrote:
> Hmm, would it be simpler just pass a function pointer, which should be
> called on each loop iteration?
> So, we will return to one common func nbd_co_receive_reply, but with two
> additional parameters: func and opaque?

Function pointers typically result in having to pass the state around in
a structure, for all the callers.

An iterator also has to package the state in a structure, but it is only
done once.

So function pointers would be simpler in the beginning, but would not
scale as well.

Paolo