Re: [PATCH 1/6] blk-mq: protect completion path with RCU

[Bart Van Assche]

On Tue, 2017-12-12 at 11:01 -0800, Tejun Heo wrote:
> +     } else {
> +             srcu_idx = srcu_read_lock(hctx->queue_rq_srcu);
> +             if (!blk_mark_rq_complete(rq))
> +                     __blk_mq_complete_request(rq);
> +             srcu_read_unlock(hctx->queue_rq_srcu, srcu_idx);

Hello Tejun,

The name queue_rq_srcu was chosen to reflect the original use of that structure,
namely to protect .queue_rq() calls. Your patch series broadens the use of that
srcu structure so I would appreciate it if it would be renamed, e.g. into 
"srcu".
See also commit 6a83e74d214a ("blk-mq: Introduce blk_mq_quiesce_queue()").

Thanks,

Bart.