On Tue, Nov 26, 2013 at 6:25 PM, Paolo Bonzini <pbonz...@redhat.com> wrote: > Il 26/11/2013 11:19, Fam Zheng ha scritto: >>> So that you can add the same Error to multiple items of the array with a >>> single bdrv_op_block call (by ORing them into the second parameter). >> >> What data type to contain this? I'm not sure 64 is enough in long term... > > I would just use an uint64_t, I think you have ~20 operations now. > There is still quite some breathing room. > OK. Then, can we still use QAPI enum? Because I think being possible to query blockers makes sense, that way the user doesn't have to trial and error to know what operation is blocked.
Fam
