Re: [PATCH v2 08/12] block: mq-deadline: Simplify deadline_skip_seq_writes()

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On 4/8/23 08:58, Bart Van Assche wrote:
> Make deadline_skip_seq_writes() shorter without changing its
> functionality.
> 
> Cc: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Ming Lei <ming.lei@xxxxxxxxxx>
> Cc: Mike Snitzer <snitzer@xxxxxxxxxx>
> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
> ---
>  block/mq-deadline.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/block/mq-deadline.c b/block/mq-deadline.c
> index d885ccf49170..50a9d3b0a291 100644
> --- a/block/mq-deadline.c
> +++ b/block/mq-deadline.c
> @@ -312,12 +312,9 @@ static struct request *deadline_skip_seq_writes(struct deadline_data *dd,
>  						struct request *rq)
>  {
>  	sector_t pos = blk_rq_pos(rq);
> -	sector_t skipped_sectors = 0;
>  
> -	while (rq) {
> -		if (blk_rq_pos(rq) != pos + skipped_sectors)
> -			break;
> -		skipped_sectors += blk_rq_sectors(rq);
> +	while (rq && blk_rq_pos(rq) == pos) {
> +		pos += blk_rq_sectors(rq);
>  		rq = deadline_latter_request(rq);
>  	}

Not really related to this series at all. But looks good.

Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>




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