Alasdair G Kergon <[email protected]> wrote:
>
> The snapshot and origin targets are incapable of handling barriers and
> need to indicate this.
>
> ...
>
> + if (unlikely(bio_barrier(bio)))
> + return -EOPNOTSUPP;
> +
And what was happening if people _were_ sending such BIOs down? Did it all
appear to work correctly? If so, will this change cause
currently-apparently-working setups to stop working?
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