Re: [PATCH 09/14] blk-mq: ensure that plug lists don't straddle hardware queues

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On 10/30/18 2:08 AM, Ming Lei wrote:
> Requests can be added to plug list from different ctx because of
> preemption. However, blk_mq_sched_insert_requests() requires that
> all requests in 'hctx_list' belong to same ctx. 

Yeah, I tried to get around it, but I think I'll just respin and keep
the 'ctx' argument to keep that perfectly clear. It'll work just fine
with different ctxs, but they will end up on a non-matching ctx which
isn't ideal.

-- 
Jens Axboe




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