Re: [PATCH v2 2/5] blk-mq: remove RQF_MQ_INFLIGHT

[Ming Lei]

On Wed, Sep 13, 2023 at 03:16:13PM +0000, chengming.zhou@xxxxxxxxx wrote:
> From: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>
> 
> Since the previous patch change to only account active requests when
> we really allocate the driver tag, the RQF_MQ_INFLIGHT can be removed
> and no double account problem.
> 
> 1. none elevator: flush request will use the first pending request's
>    driver tag, won't double account.
> 
> 2. other elevator: flush request will be accounted when allocate driver
>    tag when issue, and will be unaccounted when it put the driver tag.
> 
> Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>

Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>

Thanks,
Ming