Re: [PATCH] virtio-blk: Disable callback in virtblk_done()

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Asias He <asias@xxxxxxxxxx> writes:
>> I forgot about the cool hack which MST put in to defer event updates
>> using disable_cb/enable_cb.
>
> Hmm, are you talking about virtqueue_enable_cb_delayed()?

Just the fact that virtqueue_disable_cb() prevents updates of
used_index, and then we do the update in virtqueue_enable_cb().

Cheers,
Rusty.
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