Re: [Qemu-devel] [PATCH v4 2/7] block: Introduce op_blockers to BlockDriverState

[Paolo Bonzini]

Il 26/11/2013 11:31, Fam Zheng ha scritto:
>> > 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.

Yes, we can.  You would still have to add a bunch of

#define BLOCK_OPERATION_MASK_RESIZE (1ULL << BLOCK_OPERATION_TYPE_RESIZE)

in block.h.

Paolo