On Mon, 2018-01-08 at 11:15 -0800, Tejun Heo wrote:
> +static void hctx_unlock(struct blk_mq_hw_ctx *hctx, int srcu_idx)
> +{
> + if (!(hctx->flags & BLK_MQ_F_BLOCKING))
> + rcu_read_unlock();
> + else
> + srcu_read_unlock(hctx->queue_rq_srcu, srcu_idx);
> +}
> +
> +static void hctx_lock(struct blk_mq_hw_ctx *hctx, int *srcu_idx)
> +{
> + if (!(hctx->flags & BLK_MQ_F_BLOCKING))
> + rcu_read_lock();
> + else
> + *srcu_idx = srcu_read_lock(hctx->queue_rq_srcu);
> +}
A minor comment: please consider to reorder these two functions such that the
lock function appears first and the unlock function second. Anyway:
Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxx>
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