[dm-devel] [RFC PATCH V2 09/13] block: use per-task poll context to implement bio based io poll

[Sagi Grimberg]

>> Well, when it will failover, it will probably be directed to the poll
>> queues. Maybe I'm missing something...
> 
> In this patchset, because it isn't submitted directly from FS, there
> isn't one polling context associated with this bio, so its HIPRI flag
> will be cleared, then fallback to irq mode.

I think that's fine for failover I/O...