Re: [PATCH 1/2]block cfq: don't use atomic_t for cfq_queue

[Jeff Moyer]

Shaohua Li <shaohua.li@xxxxxxxxx> writes:

> cfq_queue->ref is used with queue_lock hold, so ref doesn't need to be an atomic
> and atomic operation is slower.
>
> Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx>

Reviewed-by: Jeff Moyer <jmoyer@xxxxxxxxxx>
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